• 专利附录
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    • 专利摘要:
    dehumidifying apparatus "dehumidifying apparatus (100) including a cooled core (102) coupled to an external cooling source, at least first and second relatively humid air inlets (108) leading to the cooled core and at least first and second Relatively dry air outlet paths (112) leading from the cooled core, the outlet paths being in close proximity to heat exchange with the inlet paths whereby relatively damp air in the inlet paths is pre-cooled upstream of the core. and relatively dry air in the outlet paths is heated downstream of the cooled core, the cooled core defining a plurality of mutually adjacent cooling paths extending therethrough which are individually coupled to one of the inlet and one of the outlet paths. so that air passes through adjacent paths of the cooling paths mutually to adjacent in mutually different directions.
    公开号:BR112015023675B1
    申请号:R112015023675-8
    申请日:2014-03-11
    公开日:2019-10-15
    发明作者:Arye Kohavi；Sharon DULBERG
    申请人:Water-Gen Ltd.；
    IPC主号:
    专利说明:

    [0001] This application is in part a continuation of U.S. patent application 13 / 834,857, filed on March 15, 2013, the disclosure of which is incorporated herein by reference.
    FIELD OF THE INVENTION [0002] The present invention relates to dehumidification.
    SUMMARY OF THE INVENTION [0003] The embodiments of the present invention seek to provide improved dehumidification, possibly in combination with heating or cooling. The disclosed techniques can be incorporated, for example, as part of a dehumidifier, an air conditioning unit, a system for generating atmospheric drinking water, a clothes dryer, or other suitable device. Other modalities use the revealed techniques that can be for heating liquid or gas, such as for sterilization or pasteurization.
    [0004] It is thus provided in accordance with a preferred embodiment of the present invention dehumidifying apparatus including a cooled core coupled to an external cooling source; at least first and second relatively moist air inlet paths leading to the cooled core and at least first and second relatively dry air outlet paths leading from the cooled core, at least
    2/38 first and second relatively dry air outlet paths being in close proximity to heat exchange with at least first and second relatively wet air inlet paths so relatively wet air in the first and second relatively wet air inlet paths is pre-cooled upstream of the cooled core and relatively dry air in the first and second relatively dry air outlet paths is heated downstream of the cooled core, the cooled core defining a plurality of mutually adjacent cooling paths extending through it which are individually coupled to one of at least first and second relatively wet air inlet paths and one of at least first and second relatively dry air outlet paths so that air passes through adjacent paths of mutually adjacent cooling paths in mutually directions many different.
    [0005] Preferably, the cooled core is formed of a material having a relatively high thermal conductivity and at least first and second relatively wet air inlet paths and at least first and second relatively dry air outlet paths are formed in a material having a relatively low thermal conductivity.
    [0006] In accordance with a preferred embodiment of the present invention, the cooled core is formed of core elements along which the air flow passes, at least first and second relatively moist and at least first air inlet paths.
    3/38 and second relatively dry air outlet paths are formed of path elements along which the air flow passes, the core elements have relatively high thermal conductivity in a direction along which the air flow passes and the path elements have a relatively low thermal conductivity in a direction along which the air flow passes.
    [0007] Preferably, the core elements are aligned and sealed with respect to the path elements. In addition or alternatively, the travel elements include at least one protrusion to guide airflow. Alternatively or in addition, the travel elements include at least one airflow blocking protrusion.
    [0008] In accordance with a preferred embodiment of the present invention at least first and second relatively moist air inlet paths and at least first and second relatively dry air outlet paths are defined by a stack of generally flat relief elements which are arranged in a generally surrounding relationship around the cooled core. Additionally, an air flow between. individual pairs of the stack of generally flat relief elements are initially pre-cooled, then cooled by the core and then heated.
    [0009] Preferably, the stack of generally flat relief elements includes alternating first and second generally flat elements.
    4/38
    In addition, air flows between adjacent elements of the first and second alternately generically flat elements are in a generally counterflow mutual heat exchange relationship.
    [0010] According to a preferred embodiment of the present invention, the generally flat elements are preferably formed under vacuum.
    [0011] Preferably, the generally flat elements include at least one protuberance and at least one corresponding recess. In addition, at least one protrusion and at least one corresponding recess include at least one set of corresponding protrusions and recesses.
    [0012] According to a preferred embodiment of the present invention, at least one set of protuberances is formed with tapered ends. Additionally or alternatively, at least one set of protrusions includes at least one protruding slope downwards.
    [0013] Preferably, at least one protuberance sloping downwards provides a path for condensate drainage.
    [0014] In some embodiments, the device includes a blocking mechanism that is configured to conditionally cause the device to perform both dehumidification and cooling, by at least partially blocking the air intake in one of the humid air intake paths.
    [0015] In some embodiments, the device includes one or more heat reuse units, which are
    5/38 configured to reuse heat energy that is removed from the relatively humid air by the cooled core. In one embodiment, the heat reuse units are configured to reuse heat energy by heating the relatively dry air that flows out of the relatively dry air outlet paths.
    [0016] It is also provided according to another preferred embodiment of the present invention dehumidifying apparatus including a cooled core coupled to an external cooling source; at least first and second relatively humid air intake paths leading to the cooled core; and at least first and second relatively dry air outlet paths leading from the cooled core, the cooled core being formed of a material having a relatively high thermal conductivity and at least first and second relatively moist and at least first air inlet paths. first and second outlet paths of relatively dry air being formed of a material having a relatively low thermal conductivity.
    [0017] It is also provided according to yet another preferred embodiment of the present invention dehumidification apparatus including a cooled core coupled to an external cooling source; at least first and second paths of relatively humid air intake taken to the cooled core; and at least first and second relatively dry air outlet paths taken from the cooled core, at least first and second relatively wet air inlet paths
    6/38 and at least first and second relatively dry air outlet paths being defined by a stack of generally flat relief elements which are arranged in a generally surrounding relationship around the core.
    [0018] It is further provided according to another preferred embodiment of the present invention dehumidification apparatus including a cooled core coupled to an external cooling source; at least first and second paths of relatively humid air intake taken to the cooled core; and at least first and second relatively dry air outlet paths taken from the cooled core, the cooled core being formed of core elements along which an air flow passes, at least first and second relatively inlet air paths. wet and at least first and second relatively dry air outlet paths being formed from path elements along which the air flow passes, the core elements having a relatively high thermal conductivity in a direction along which the flow of air air passes, and the path elements having a relatively low thermal conductivity in a direction along which the air flow passes.
    [0019] It is further provided in accordance with yet another preferred embodiment of the present invention dehumidification apparatus including a cooled core coupled to an external cooling source; at least first and second air intake paths
    Relatively wet 7/38 taken to the cooled core; at least first and second relatively dry air outlet paths taken from the cooled core, an air flow through the apparatus being previously cooled at least in the first and second relatively wet air inlet paths leading to the cooled core, then being cooled in the core and then being heated at least in the first and second relatively dry air outlet paths leading from the cooled core.
    [0020] In addition, in accordance with an embodiment of the present invention, an apparatus for heating fluid, including a heated core coupled to an external heating source; at least first and second fluid entry paths leading to the heated core; and at least first and second fluid outlet paths leading from the heated core, wherein at least first and second fluid outlet paths being in proximity of heat exchange with at least first and second fluid inlet paths so that fluid in the first and second fluid inlet paths is preheated upstream of the heated core and the fluid in the first and second fluid outlet paths is cooled downstream of the heated core. The heated core defines a plurality of mutually adjacent heating paths extending therethrough which are individually coupled to one of at least first and second fluid inlet paths and to one of at least first and second fluid outflow paths.
    8/38 so that the fluid passes through adjacent paths of the mutually adjacent heating paths in mutually different directions.
    [0021] A dehumidifying apparatus including additional first multiple air paths connecting a hot humid air inlet to a cooled dehumidified air outlet is additionally provided according to an embodiment of the present invention; and multiple second air paths connecting an ambient air inlet to a heated dehumidified air outlet, where the first air paths are in close proximity to heat exchange with the second air paths, so that a first air flow, which flows through the first air paths from the hot humid air inlet to the cooled dehumidified air outlet, heats and dehumidifies a second air flow, which flows through the second air paths from the ambient air inlet to the outlet of heated dehumidified air. The first and second air paths have a relatively low thermal conductivity in directions along which the first and second air flows pass and a relatively high thermal conductivity in a direction orthogonal to the directions along which the first and second air flows pass. In some embodiments, the first and second air paths are formed from a plastic or other low thermally conductive material.
    [0022] In some modalities, the first and second air paths cause the first and second air flows to flow in opposite directions. In
    9/38 a modality, the dehumidification apparatus also includes a core, over which the first and second air flows flow and which is made of a different material in relation to the first and second air paths. In an example embodiment, the different material is configured to increase condensation from the first and second air flows. In one embodiment, the second air flow cools and dehumidifies the first air flow.
    [0023] The present invention will be more fully understood from the following detailed description of its modalities, taken together with the drawings in which:
    BRIEF DESCRIPTION OF THE DRAWINGS [0024] Figures 1A and 1B are simplified top-life and bottom-view pictorial illustrations of a dehumidifying apparatus constructed and operative in accordance with a preferred embodiment of the present invention;
    [0025] Figure 1C is a simplified exploded view illustration of the dehumidifying apparatus of Figures IA and 1B;
    [0026] Figures 2A and 2B are simplified top and bottom view illustrations of a base element, forming an optional part of the dehumidification apparatus of Figures 1A-1C;
    [0027] Figures 4A and 3B are exploded view illustrations of a heat exchange assembly including a cooling core and an air flow pre-cooling and heating assembly that
    10/38 surrounds the core (CSAFPCPHA) constructed and operative in accordance with the first and second preferred embodiments of the invention and forming part of the dehumidifying apparatus of Figures 1A-1C;
    [0028] Figures 4A and 4B are simplified illustrations of a first end plate element, forming part of the dehumidifying apparatus of Figures 1A-1C;
    [0029] Figures 5A and 5B are simplified illustrations of a second end plate element, forming part of the dehumidification apparatus of Figures 1A-1C;
    [0030] Figures 6A and 6B are illustrations of the assembled view and respective simplified exploded view of a cooling core assembly forming part of the heat exchange assembly of Figure 3A;
    [0031] Figures 7A and 7B are respective simplified assembled and exploded view illustrations of a cooling core assembly forming part of the heat exchange assembly of Figure 3B;
    [0032] Figures 8A and 8B are illustrations of respective simplified assembled and exploded views of a pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA) forming part of the heat exchange assembly of Figures 3A and 3B;
    [0033] Figures 9A and 9B are illustrations of plan view and respective simplified pictorial view of a first side of a first plate of the pre assembly
    11/38 cooling and subsequent heating of the air flow surrounding the core (CSAFPCPHA);
    [0034] Figures 10A and 10B are illustrations of plan view and respective simplified pictorial view of a second side of a first plate of the pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA);
    [0035] Figures 11A and 11B are illustrations of plan view and respective simplified pictorial view of a first side of a second plate of the pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA);
    [0036] Figures 12A and 12B are illustrations of plan view and respective simplified pictorial view of a second side of a second plate of the pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA);
    [0037] Figure 13 is a partially exploded, simplified pictorial illustration of part of the heat exchange assembly of Figures 3A and 3B, showing typical air flows between generally flat relief elements;
    [0038] Figures 14A, 14B, 14C and 14D are simplified illustrations of airflow through the heat exchange assembly of Figures 3A and 3B where Figure 14A is a plan view and Figures 14B, 14C and 14D are seen in section taken along the respective section lines BB, CC and DD in Figure 14a;
    [0039] Figure 15 is a schematic pictorial illustration of a dehumidifying device and
    Cooling, according to an embodiment of the present invention;
    [0040] Figure 16 is a schematic pictorial illustration of a clothes dryer, according to an embodiment of the present invention;
    [0041] Figure 17 is a schematic pictorial illustration of an apparatus for heating fluid, according to an embodiment of the present invention; and [0042] Figure 18 is a schematic pictorial illustration of a dehumidifying and heating apparatus, according to an embodiment of the present invention.
    DETAILED DESCRIPTION OF THE MODALITIES
    SYSTEM DESCRIPTION [0043] 'The modalities of the present invention describe apparatus that produces dehumidification and can be incorporated in several alternative operational contexts, as part of a dehumidifying apparatus, an air conditioning apparatus, a water generation system providing water for drink, a clothes dryer, or any other use. The apparatus described above normally requires a flow of humid air into it and a concurrent air pressure gradient through it. It also requires the provision of a refrigerant, which can be any suitable gas or liquid. Other modalities that are described further below, use the disclosed apparatus for heating fluid, liquid or gas, as for sterilization or pasteurization.
    13/38 [0044] Reference is now made to Figures 1A - 3B, which are simplified pictorial illustrations of a dehumidification apparatus 100 constructed and operative in accordance with a preferred embodiment of the present invention. As seen in Figures 1A - 3B, the dehumidifying apparatus 100 includes a cooled core 102 coupled to an external cooling source (not shown) through a cooling fluid inlet tube 104 and a cooling fluid outlet tube 106 The cooling fluid can be any suitable refrigerant, such as ammonia or FREON®, which is supplied in a partially liquid phase and changes to a gaseous phase in the core 102, or a cooled liquid, typically water or alcohol, which remains throughout the phase liquid.
    [0045] At least first and second relatively wet air inlet paths 108 lead to the cooled core 102 and at least first and second relatively dry air outlet paths 112 extend from the cooled core 102.
    [0046] In accordance with a preferred embodiment of the present invention, a pre-cooling and subsequent heating assembly of the airflow surrounding the core (CSAFPCPHA) 120 is provided in which at least the first and second relatively dry air outlet paths 112 are in proximity of heat exchange with the respective paths of at least first and second relatively humid air inlet paths 108, whereby relatively humid air in the first and second air inlet paths
    14/38 relatively humid is pre-cooling upstream of the cooled core 102 and relatively dry air in the first and second outlets of relatively dry air is heated downstream of the cooled core 102.
    [0047] It is a specific feature of an embodiment of the present invention that the cooled core 102 is formed of core elements, such as core plates 122 along which an air flow passes, and at least the first and second inlet paths of relatively moist air and at least first and second relatively dry air outlet paths are formed of path elements, such as generally flat relief elements 124 and 126, along which an air flow passes, the core elements having a conductivity relatively high thermal in a direction along which the air flow passes and the path elements having a relatively low thermal conductivity in a direction along which the air flow passes. It is recognized that core plates 122 are aligned with and sealed with respect to corresponding flat elements 124 and 126.
    [0048] As seen particularly in Figures 1A-1C, the dehumidification apparatus 100 preferably also includes a base subassembly 130, which provides a condensate drain reservoir, subassemblies of extreme plate 132 and 134, extreme cover plates 135 and 138, an upper airflow seal plate 1409 that preferably limits inlet airflow to be along passages 108, a pair of
    15/38 lower airflow seal 142 which preferably limits outgoing airflow to be along passages 112 and a pair of side airflow seal plates 144, which separate between respective pairs of airflow passages inlet and outlet air 108 and 112. A circumferential plate 148 shown here symbolically separates between a relatively humid air environment that is maintained at a relatively high pressure and a relatively dry air environment that is kept at a relatively low pressure .
    [0049] Turning now specifically to Figures 2A and 2B, which are simplified illustrations of a base subassembly forming an optional part of the dehumidification apparatus of Figures 1A and 1B, it is seen that the base subassembly is typically sheet metal welded and includes a pair of mutually inclined plates 160 and 162 that are joined by a pair of end portions 164 and 166 that define legs 168. A pair of reservoir openings 170 is preferably formed at opposite ends of the junction of plates 160 and 162 and is preferably fitted with respective reservoir tubes 174.
    [0050] Turning now to Figures 3A and 6A and 6B, it is noted that these drawings illustrate a heat exchange assembly including a cooling core 102 and a pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA ) 120 particularly suitable for use with a gaseous refrigerant, with FREON®, and therefore
    16/38 refrigerant pipe 180 is preferably provided with a distributor 182, which divides a gas stream into multiple separate streams, each of which passes through a separate gas circulation path.
    [0051] Turning now to Figures 3B and 7A and 7B, it is observed that these drawings illustrate a heat exchange assembly including a cooling core 102 and a pre-cooling and subsequent heating assembly of airflow surrounding the core ( CSAFPCPHA) 120 particularly suitable for use with a liquid refrigerant, such as chilled water or alcohol, and therefore refrigerant piping 190 is preferably supplied without a distributor 182.
    [0052] Reference is now made to Figures 4A and 4B, which illustrate the end plate 132. It is seen that the end plate 132 comprises a generally flat portion 202 having a set of openings 204 arranged to accommodate refrigerant piping, such as 180 or 190, and preferably includes a plurality of inclined edges 206 and a plurality of double inclined edges 208 on which the end cap plate 136 can be sealably attached.
    [0053] Reference is now made to Figures 5A and 5B, which illustrate the end plate 134. It is seen that the end plate 134 comprises a generally flat portion 222 having a set of openings 224 arranged to accommodate refrigerant piping, such as 180 or 190, and preferably includes a plurality of inclined edges 226 and a plurality of double inclined edges 228 on which the cover plate
    17/38 extreme 13 8 can be fixed. It is observed that one of the sloped edges 226 is preferably formed with an opening 230 that accommodates fluid inlet tube 104 and cooling fluid outlet tube 106.
    [0054] Reference is now made to Figures 8A-12B, which illustrate the structure of the pre-cooling and subsequent heating assembly of airflow surrounding the core (CSAFPCPHA). As seen in Figures 8A and 8B, the CSAFPCPHA is made up of a stack of two different generally flat relief elements 124 and 126 are preferably arranged in a mutually interdigitated touch relationship around the core 102.
    [0055] The structure and operation of generally flat relief elements 124 and 126 will now be described with specific reference to Figures 9A-12B. It is observed that flat elements 124 and 126 are preferably formed by conventional vacuum forming techniques from a relatively non-conductive flexible material, typically plastic, such as PVC and PE, typically 0.3 mm thick.
    [0056] Returning first to the generically flat element 124, a first side of it, designated by reference numeral 300, is shown in Figures 9A and 9B and a second side of it, designated by reference numeral 302, is shown in Figures 10A and 10B. The flat element 124 preferably has ten lateral edges, which are designated, clockwise with reference to Figure 9A, by reference numerals 320, 321, 322, 323, 324, 325, 326, 327, 328 and 329. The flat element 124 is formed with a number of
    18/38 protrusions, which extend above the plane, designated by reference numeral 330, of the flat element 124, in the direction of Figure 9A, up to a height of approximately 3 mm and which will now be described in detail. Due to the manufacture of flat elements 124 and 126 by vacuum formation, there are recesses that correspond to each of the protrusions.
    [0057] As seen in Figures 9A and 9B, a first side 300 of the flat element 124 includes an airflow blocking protrusion 340, which extends clockwise in the direction of Figure 9A, first narrowly, from a nearby location from the junction of edges 320 and 329, along and slightly spaced from edge 320 where it becomes wider and then narrower, and narrowly along and spaced from edges 321 and 322. The protrusion 340 serves to prevent air flow above the plane 330 through edges 320, 321 and 322. Flat element 124 also includes an airflow blocking protrusion 342, which extends clockwise in the direction of Figure 9A, narrowly, from a location near the edge junction 32 5 and 32 6 and along and slightly spaced from the edges 326, 327 and 328. The protrusion 342 serves to prevent air flow above the plane 330 through the edges 326, 327 and 328. The flat element 124 also includes a protrusion of block airflow 344, which extends along and slightly spaced from edge 324. The protrusion 344 serves to prevent airflow above plane 330 through edge 324.
    19/38 [0058] The flat element 124 also includes on the first side 300, an airflow guiding protrusion 346 in what is typically an inlet region 348 above the plane 330 and an airflow guiding protuberance 350 in the which is typically an exit region 3 52 above the .330 plane.
    [0059] The flat element 124 also includes on the first side 3 00, a set 3 60 of mutually spaced counterflow intensified heat exchange protuberances (ECFHE) 362 downstream of the inlet region 348. Each of the mutually spaced protuberances 362 must preferably a tapered inlet end 364 'and a tapered outlet end 366.
    [0060] The flat element 124 also includes, on the first side 3 00, a set 370 of mutually spaced counterflow intensified heat exchange protuberances (ECFHE) 372 upstream of the outlet region 352. Each of the mutually spaced protuberances 372 must preferably a tapered inlet end 374 and a tapered outlet end 376.
    [0061] The flat element 124 also includes on the first side 300 a plurality of mutual internal edge spacing protrusions 380 preferably arranged on the sides of a generally rectangular cutout 382 which accommodates the core 102.
    [0062] The flat element 124 also includes, on the first side 300, a plurality of mutual outer edge spacing protrusions 390 preferably arranged along edges 323 and 329.
    20/38 [0063] As seen in Figures 10A and 10B, the second side 302 of the flat element 124 includes a recess 440, which extends counterclockwise as seen in Figure 10A, first narrowly from a location near the junction from edges 320 and 329, along and slightly spaced from edge 320, where it becomes wider and then narrower, and narrowly along and spaced from edges 321 and 322. Flat element 124 also includes a recess 442, which extends counterclockwise in the direction of Figure 10A, narrowly, from a location near the junction of edges 325 and 326 and along and slightly spaced from edges 326, 327 and 328. Flat element 124 also includes a recess 444, which extends along and slightly spaced from the edge 324. The recesses 440, 442 and 444 cooperate with corresponding protrusions in the flat element 126 to provide improved registration of the stack of interdigitated flat elements 124 and 126.
    [0064] The flat element 124 also typically includes, on the second side 302, a recess 446 in the input region 348 and a recess 450 in the output region 352.
    [0065] The flat element 124 also includes on the second side 3 02, a set 460 of mutually spaced counterflow intensified heat exchange recesses (ECFHE) 462 downstream of the inlet region 448. Each of the mutually spaced recesses 462 preferably has a tapered input end 464 and tapered output end 466.
    [0066] The flat element 124 also includes on the second side 302, a set of 47 0 of exchange swaps for
    21/38 mutually spaced intensified counterflow heat (ECFHE) 472 upstream of outlet region 352. Each of the mutually spaced recesses 472 preferably has a tapered inlet end 474 and a tapered outlet end 476.
    [0067] The flat element 124 also includes on the second side 302, a plurality of mutual inner edge spacing recesses 480 preferably arranged on the generally rectangular cutout sides 382 which accommodates the core 102.
    [0068] The flat element 124 also includes on the second side 302, a plurality of outer edge recesses 490 preferably arranged along the edges 323 and 329.
    [0069] Now returning to the generically flat element 12 6, a first side of it, designated by reference numeral 500, is shown in Figures 11A and 11B and a second side of it, designated by reference numeral 502, is shown in Figures 12A and 12B. The flat element 126 preferably has ten side edges, side edges, which are designated, clockwise with reference to Figure 11A, by reference numerals 520, 521, 522, 523, 524, 525, 526, 527, 528 and 529. The flat element 126 is formed with a number of protuberances, which extend above the plane, designated by the reference numeral 530, of the flat element 12 6, in the direction of Figure 11A, up to a height of approximately 3 mm and which will now be described in detail. Due to the manufacture of flat elements 124
    22/38 and 126 by vacuum formation, there are recesses that correspond to each of the protuberances.
    [007 0] As seen in Figures 11A and 11B, a first side 500 of the flat element 126 includes an airflow blocking protrusion 540, which extends counterclockwise in the direction of Figure 11A, first narrowly, from a location near the junction of edges 520 and 529, along and slightly spaced from edge 520 where it becomes wider and then narrower, and narrowly along and spaced from edges 521 and 522. The protrusion 540 serves to prevent flow of air above plane 530 through edges 520, 521 and 522. Flat element 126 also includes an airflow blocking protrusion 542, which extends counterclockwise in the direction of Figure 11A, closely, from a location near the junction of edges 525 and 526 and along and slightly spaced from edges 526, 527 and 528. the protuberance 542 serves to prevent air flow above plane 530 through edges 526, 527 and 528. flat element 126 also includes a lump the airflow block 544, which extends along and slightly spaced from the edge 524. The protrusion 544 serves to prevent air flow above the plane 530 through the edge 524.
    [0071] The flat element 126 also includes on the first side 500, an airflow guide protrusion 546 in what is typically an inlet region 548 above the plane 530 and an airflow guide protrusion 550 in what is typically an exit region 552 above the 530 plane.
    23/38 [0072] The flat element 126 also includes on the first side 500, a set of 560 mutually spaced counterflow intensified heat exchange protrusions (ECFHE) 562 downstream of the input region 548. Each of the mutually spaced protrusions 562 has preferably a tapered inlet end 564 and a tapered outlet 566.
    [0073] The flat element 126 also includes, on the first side 40 0, a set 57 0 of mutually spaced counterflow intensified heat exchange protuberances (ECFHE) 572 upstream of the outlet region 552. Each of the mutually spaced protuberances 572 has preferably a tapered inlet end 574 and a tapered outlet end 576.
    [0074] The flat element 126 also includes on the first side 500 a plurality of mutual internal spacing protrusions 580 preferably arranged on the sides of a generally rectangular cutout 582 which accommodates the core 102.
    [0075] The flat element 126 also includes, on the first side 300, a plurality of mutual outer edge spacing protrusions 590 preferably arranged along edges 523 and 529.
    [0076] As seen in Figures 12A and 12B, the second side 502 of the flat element 126 includes a recess 640, which extends clockwise in the direction of Figure 12A, first narrowly from a location near the junction of edges 520 and 529 , along and slightly spaced from edge 520, where it becomes wider and then narrows, and narrowly along and spaced to
    24/38 from the edges 521 and 522. The flat element 126 also includes a recess 642, which extends clockwise in the direction of Figure 12A, narrowly, from a location near the junction of edges 525 and 526 and along and slightly spaced from the edges 526, 527 and 528. The flat element 126 also includes a recess 644, which extends along and slightly spaced from the edge
    524. The recesses 640, 642 and 644 cooperate with lumps corresponding on element plan 124 for to provide record perfect gives battery in
    interdigitated flat elements 124 and 126.
    [0077] The flat element 126 also typically includes, on the second side 502, a recess 646 in the input region 548 and a recess 650 in the output region 552.
    [0078] The flat element 126 also includes on the second side 502, a set 660 of mutually spaced counterflow intensified heat exchange recesses (ECFHE) 662 downstream of the input region 548. Each of the mutually spaced recesses 662 preferably has an end tapered inlet 664 and a tapered outlet end 666.
    [0079] The flat element 126 also includes on the second side 502, a set 570 of mutually spaced counterflow intensified heat exchange recesses (ECFHE) 672 upstream of the outlet region 552. Each of the mutually spaced recesses 672 preferably has an end tapered inlet 674 and a tapered outlet end 676.
    [0080] The flat element 126 also includes on the second side 502, a plurality of spacing recesses of
    25/38 mutual inner edges 680 preferably arranged on the generally rectangular cutout sides 582 which accommodates the core 102.
    [0081] The flat element 126 also includes on the second side 502, a plurality of recesses of outer edge 690 preferably arranged along the edges 523 and 529.
    [0082] Reference is now made to Figure 13, which is a simplified partially exploded pictorial illustration of part of the heat exchange assembly of Figures 3A and 3B showing typical air flows between adjacent generally flat relief elements and Figures 14A, 14B , 14C and 14D, which are simplified illustrations of air flow through the heat exchange assembly of Figures 3A and 3B, where Figure 14A is a plan view and Figures 14B, 14C and 14D are seen in section taken along the respective section lines BB, CC and DD in Figure 14A.
    [0083] Figure 13 shows an air flow, generically designated by reference numeral 700, between a first side 300 of a flat element 124 and a second side 502 of a flat element 126. The second side 502 of flat element 126 does not is seen in Figure 13. Figure 13 also shows an air flow, generically designated by reference numeral 702, between a first side 500 of a flat element 126 and a second side 302 of a flat element 124. The second side 302 of flat element 124 is not seen in Figure 13.
    [0084] Considering airflow 700, it is seen that a relatively flat flow of relatively humid air
    26/38 typically enters an inlet region 348 above the plane 33 0 of the flat element 124, and which is bounded by the second adjacent side 502 of the flat element 126. This flow is guided by one or more protrusions 346 in engagement with the assembly 360 of the protrusions 362 on the flat element 124 and correspondingly positioned assembly 670 of the recesses 672 of the flat element 126. It is recognized that the protrusions 362 partially rest on corresponding recesses 672 and together define an airflow passage between recess 672 and the corresponding protrusion 362 partially settled there. It is observed that the tapered ends 364 and 366 of the protrusions 362 and tapered ends 674 and 676 of the recesses 672 help to define these airflow passages.
    [0085] Downstream of the 360 assemblies, the air flow, which by this stage was somewhat pre-cooled, as will be described below, passes through the core plates 122 of the core 102 in a generally flat flow, where it is substantially cooled, preferably below the dew point. Downstream of the core plates 122 of the core 102, the substantially cooled air flow passes through the assembly 370 of the protrusions 372 on the flat element 124 and the corresponding positioned assembly 660 of the recesses 662 on the flat element 126. It is recognized that the protrusions 372 partially settle in the corresponding recesses 662 and together they define an airflow passage between each recess 662 and the corresponding protuberance 372 partially seated thereon. IS
    27/38 noted that the tapered ends 374 and 376 of the protrusions 372 and the tapered ends 664 and 666 of the recesses 662 help to define these airflow passages.
    [0086] Downstream of the 370 assemblies, the air flows, which were at this stage somewhat heated, as will be described below, become joined in a relatively flat flow in the outlet region 352 above the plane 33 0 of the flat element 124 , which is limited by the second adjacent side 502 of the flat element 126. This flow is guided by one or more protuberances 350.
    [0087] Considering the air flow 702, it is seen that a relatively flat flow of relatively humid air typically enters an inlet region 548 above the plane 53 0 of the flat element 12 6 and that is limited by the second adjacent side 302 of the element plane 124. This flow is guided by one or more protrusions 546 in engagement with the set 560 of protrusions 562 in flat element 126 and the corresponding positioned set 470 of the recesses 472 in the flat element 124. It is recognized that the protrusions 562 partially rest in corresponding recesses 472 and together define an airflow passage between each recess 472 and the corresponding protrusion 562 partially seated in them. It is observed that the tapered ends 564 and 566 of the protrusions 562 and the tapered ends 474 and 476 of the recesses 472 help to define these airflow passages.
    [0088] Downstream of the 560 sets, which by this stage was pre-cooled in a certain way, as will be
    28/38 described below, passes through the core plates 122 of the core 102 in a generally flat flow, where it is substantially cooled, preferably below the dew point. Downstream of the core plates 122 of the core 102, the substantially cooled air flow passes through the assembly 570 of the protrusions 572 on the flat element 126 and the corresponding positioned assembly 460 of the recesses 462 on the flat element 124. It is recognized that the protrusions 572 partially settle in the corresponding recesses 462 and together they define an airflow passage between each recess 462 and the corresponding protrusion 572 partially seated thereon. It is observed that the tapered ends 574 and 576 of the protrusions 572 and the tapered ends 464 and 466 of the recesses 4623 assist in defining these airflow passages.
    [0089] Downstream of the sets 57 0, the air flows, which have been somewhat heated at this stage, as will be described below, become joined in a relatively flat flow in the exit region 552 above the plane 530 of the plane element 126 , and which is limited by the second adjacent side 302 of the flat element 124. This flow is guided by one or more protrusions 550.
    [0090] Referring in addition to Figures 14A14D, it is seen that the air flows 700 and 702 between adjacent partially interdigitated flat elements 124 and 12 6 in the stack are in a mutual heat exchange relationship generally counterflow, despite the fact that the flows are not entirely parallel, particularly in their respective inlet and outlet regions.
    29/38 exit. It is an important feature of the invention that air flows 700 and 702 are generally parallel in two dimensions as they pass through the core 102 and are generally parallel in three dimensions as they pass through the airflow passages defined between the protrusions. and recesses of sets 360 and 570 respectively and as they pass through the airflow passages defined between the protrusions and recesses of sets 370 and 560 respectively.
    [0091] In this way, it can be recognized that improved heat exchange is provided between mutually opposing air flows in the air flow passages defined between the protuberances and recesses of sets 3 60 and 67 0 respectively and as they pass through the passages air flow rates defined between the protrusions and recesses of sets 570 and 460 respectively, where three-dimensional counterflow is provided, and a lesser degree of heat exchange is provided between them in the inlet and outlet regions where only Two-dimensional heat between adjacent flat air flows is provided.
    [0092] This can be seen graphically from a comparison of Figures 14B and 14C. Figure 14B shows a two-dimensional counterflow heat exchange relationship between generally flat adjacent air flows in the core 102 between adjacent plates 122 of the core 102.
    [0093] Figure 14C shows a three-dimensional counterflow heat exchange relationship between air flows
    30/38 generically adjacent planes along the flow paths defined by sets 360 and 670. Figure 14C also represents the three-dimensional counterflow heat exchange relationship between generically flat air flows along the flow paths defined by sets 570 and 460.
    [0094] It is recognized that the heat exchange ratio shown in Figure 14C is greatly increased compared to that shown in Figure 14B due to the fact that almost each flow shown in Figure 14C is surrounded on four sides by a flow path in counterflow, whereas in Figure 14B, almost each flat flow is surrounded on both sides by a counterflow flow path. It is further recognized that the protrusions and recesses defining the flow paths are angled downwards in order to improve the ease of drainage of condensate from them through edges 325 and 525 in the base subassembly 130 for drainage and preferably use as drinking water .
    [0095] · The realization of the highly efficient heat exchange structure shown in Figure 14Ç is obtained according to a specific characteristic of the persistent invention by the partial interdigitation of the protuberances and recesses described above and visualized in Figure 14D, which shows the arrangement of these paths flow in a view taken perpendicular to the planes 330 and 530 of the respective planar elements 124 and 126.
    ADDITIONAL MODALITIES AND VARIATIONS
    31/38 [0096] Figures 15-18 below illustrate several additional applications, use cases and variations of the disclosed dehumidification apparatus, according to various modalities of the present invention. These applications, use cases and variations are shown purely as an example. In alternative modalities, the revealed techniques can be applied in any other suitable device and for any other suitable use.
    [0097] In some applications, it is desirable to cool the ambient air in addition to dehumidifying it. For example, dehumidification apparatus 100 may be located in a hot and humid environment with partial access or without access to outside air.
    [0098] Figure 15 is a schematic pictorial illustration of a dehumidifying and cooling device, according to an embodiment of the present invention. ' In this mode, a blocking mechanism is configured to conditionally block one of the air intake paths. In the example in Figure 15, a blocking plate 800 is conditionally placed over one of the air inlet paths (indicated 108A in the figure). When placed over the air inlet path, the blocking plate 800 blocks at least part of the airflow device. air flow inlet 100 through inlet 108A. The other entry path (indicated 108B, hidden from view in that figure) is not covered.
    [0099] As a result, only one air flow direction (for example, only air flow 7 02 and no air flow 7 00 in Figure 13) passes through the device 100. This air flow is not reheated by the air flow air in
    32/38 opposite direction, since the latter is blocked by the plate 800. The end result is that the air flowing out of the corresponding outlet path 112 is both drier and fresher than the incoming air.
    [00100] In several embodiments, the plate 800 can block the entire air flow entering the inlet path 108 ·, or only part of the air flow. For example, card 800 can cover the entire entry area or only part of the entry area. In one embodiment, the cooling extent can be regulated by controlling the portion of airflow blocked by the plate 800.
    [00101] In an example mode, the apparatus 100 is configured to operate in two operational modes, dehumidification without cooling, and dehumidification with cooling (that is, air conditioning). For example, when the ambient air is highly humid, the plate 800 can be removed, in which case the apparatus 100 dehumidifies the air without cooling. When the ambient air is hot and dry, the plate 800 can be adapted, in which case the device 100 performs both dehumidification and cooling.
    [00102] In some embodiments, the heat from the air leaving the dehumidifying device 100 is reused. The example below refers to a clothes dryer application, but similar forms of reuse can be applied in several other applications of the dehumidification appliance.
    [00103] Figure 16 is a schematic pictorial illustration of a clothes dryer, according to
    33/38 another embodiment of the present invention. In this embodiment, the dryer comprises an 802 drop drum in which clothes 804 are placed for drying. The dryer also comprises a compressor 806 to cool the core of the appliance 100, a pair of condensers 808 (or alternatively a single condenser) and an expansion valve 810. Hot and relatively humid air 814 is extracted from the clothes dryer 802 and applied to inlets 108 of apparatus 100. Apparatus 100 dehumidifies the incoming air, as described above, in order to produce dry and warm air 816 at outlets 112. Condensed water 812 is produced as a by-product of this process.
    [00104] In the example in Figure 16, condensers 808 heat the air flow 816. The heat emitted from the condensers 808 is reused to heat the air 816. The resulting hot, dry air (indicated 818) is fed back in. from the drop drum 802 and additionally helps to dry the clothes 804. In practice, some heat is also naturally lost from the drum 802 to the environment.
    [00105] As noted above, the clothes dryer application in Figure 16 is shown as an example of reusing the hot dry air coming out of the apparatus 100. In other words, condensers 808 are shown as an example of heat reuse units, which are configured to reuse heat removed from air 814 by the core of the apparatus 100. In alternative embodiments, this heat energy can be reused in any other suitable way and as part of any other suitable system.
    34/38 [00106] In some embodiments, as shown in Figure 17 below, a mechanical structure similar to device 100 is used for energy efficient heating, of 'fluid (liquid or gas). These modalities are useful in a variety of applications in which fluid must be heated quickly for a short period of time. Applications include, for example, sterilization or pasteurization of liquid, and acceleration of a chemical reaction in fluid, among others.
    [00107] In these modalities, the core 102 is heated using an external heat source instead of being cooled. Relatively cold fluid enters inlets 108 for heating by the core. Before reaching the heated core, the cold inlet fluid is preheated by fluid in the opposite direction that has already been heated by the core and is about to leave the device. After being heated by the core, the fluid is cooled by fluid in the opposite direction that has just entered the device en route to the core. The cooled fluid finally exits the device at the outlets. The mechanical structure of the apparatus 100 shown in the Figures above is applicable to that implementation as well.
    [00108] The revealed technique is capable of heating fluid and then cooling it with minimum energy consumption.
    [00109] Figure 17 is a schematic pictorial illustration of an apparatus for rapid heating of fluid, according to an embodiment of the present invention. In the example in Figure 17, the heating device is used to pasteurize milk. For
    5/38
    to secure adequate pasteurization, The milk in to be heated to a 138 2 C temperature for 2 s. [00110] In this modality, milk cold 820 goes into at the device in entries 108 which now serve how
    fluid inlets. The milk flows over a heated core 824, as shown by arrows 822. After heating by the core, pasteurized milk 826 exits outlets 112, which now serve as fluid outlets.
    [00111] Before reaching the core 824, the incoming milk 820 is heated by pasteurized milk in the opposite direction 826 which has already been heated by the core. After heating by core 824, pasteurized milk 826 is cooled by incoming milk in the opposite direction 820. This mechanism allows the revealed device to heat the fluid while consuming only minimal extra energy to overcome heat losses or chemical changes. In some embodiments, this process can be performed at high pressure, to avoid boiling the fluid.
    [00112] In some embodiments, the unique mechanical configuration of the apparatus 100 can be used as a heat exchanger that performs both dehumidification and heating, without a cooled or heated core. In particular, such a heat exchanger can be manufactured from a thermally non-conductive material such as plastic. As a result, most of the heat transfer occurs orthogonal to the air flow directions, that is, between air flows in the opposite direction.
    [00113] Figure 18 is a schematic pictorial illustration of a dehumidifying device and
    36/38 heating, according to an embodiment of the present invention. The present example relates to a clothes dryer application. Alternatively, however, the revealed configuration can be used in various applications that involve drying combined with dehumidification, such as paint drying.
    [00114] In the example in Figure 18, a heat exchanger 828 is used for drying clothes 804 on the drop drum 802. Heat exchanger 828 is positioned at the limit between four environments: the left side of heat exchanger 828 is a environment with humid air that must be dehumidified and heated (indicated on the side of the dryer in the figure). This environment is divided into a region from which warm, relatively moist air 838 is removed, and a region into which warm, relatively dry air 83 6 is added. The right side of the 828 heat exchanger is an environment with colder and drier ambient air (indicated on the environmental side). This environment is divided into a region from which ambient air 834 is drawn, and a region in which drier and colder air 840 is provided. The heat exchanger 82 8 has a mechanical configuration similar to the apparatus 100 described above, but without core 102.
    [00115] Two air flows are shown in the figure. Hot, relatively humid air 838 enters heat exchanger 82 8 from the side of the dryer, and colder ambient air 834 enters the heat exchanger from the side of the room. The two air flows cross alternate paths in the heat exchanger and are able to exchange heat with each other, as explained above. Of this
    37/38 mode, ambient air 834 is heated by air 83 8 and therefore hot and relatively dry air 83 6 enters the dryer side. Air 838 is cooled and dehumidified by air 834, and therefore colder and drier air 84 0 leaves the heat exchanger on the side of the room. In some embodiments, a condenser 832 additionally heats air 836, and an evaporator 840 dehumidifies additionally and / or cools air 830.
    [00116] In the example of Figure 18, the heat exchanger 828 is without core. Alternatively, the heat exchanger 828 may comprise a core (unheated or cooled) made of another material, for example, from a material that causes increased condensation from the air flows flowing over it.
    [00117] It will thus be recognized that the modalities described above are cited as an example and that the present invention is not limited to what has been particularly shown and described above. Rather, the scope of the present invention includes both combinations and subcombination of the various features described above, as well as variations and modifications thereof that would occur to persons skilled in the art after reading the above description and which are not disclosed in the prior art. Documents incorporated by reference in this patent application are to be considered an integral part of the application except that to the extent that any terms are defined in those documents incorporated in a manner that conflicts with the definitions made explicitly or implicitly in the
    38/38 this specification, only the definitions in the specification should be considered.
    权利要求:
    Claims (6)
    [1]
    1. Dehumidification device, characterized by comprising:
    a cooled core (102) coupled to an external cooling source;
    first air paths (124) configured to transfer a first air flow (700) from the first inlets (108), over the first heat exchanger elements (362,462), through the cooled core (102), over the second elements heat exchanger (372,472) and the first outlets (112); and second air paths (126) configured to transfer a second air flow (702) from the second inlets (108), over the second heat exchanger elements (372,472), through the cooled core (102), over the first heat exchanger elements (362,462) and second exits (112), in which the first (124) and second (126) air paths are interleaved so that:
    the first air flow (700) flowing from the first inlets (108) towards the core (102) is pre-cooled by the second air flow (702) flowing from the core (102) towards the second outlets ( 112), by heat exchange through the first heat exchanger elements (362,462);
    the first airflow (700) flowing from the core (102) towards the first
    Petition 870190085408, of 08/30/2019, p. 11/16
    [2]
    2. Dehumidification apparatus according to claim 1, characterized by the fact that the cooled core (102) is formed of a material having a relatively high thermal conductivity and in which the first (362,462) and second (372,472) elements of heat exchangers are formed of a material having a relatively low thermal conductivity.
    2/6 outlets (112) are heated by the second air flow (702) flowing from the second inlets (108) towards the core (102), by heat exchange through the second heat exchanger elements (372, 472 );
    the second air flow (702) flowing from the second inlets (108) towards the core (102) is pre-cooled by the first air flow (700) flowing from the core (102) towards the first exits ( 112), by heat exchange through the second heat exchanger elements (372,472); and the second air flow (702) flowing from the core (102) towards the second outlets (112) is heated by the first air flow (700) flowing from the first inlets (108) towards the core (102) ), by heat exchange through the first heat exchanger elements (362,462).
    [3]
    3/6 the cooled core (102) is formed of core elements (122) along which the first (700) and second (702) air flows pass;
    the first (362, 462) and second (372,472) heat exchanger elements are formed from heat exchanger path elements (124,126) along which the first (700) and second (702) air flows pass;
    the core elements (122) have a relatively high thermal conductivity in a direction along which the first (700) and second (702) air flows pass; and the heat exchanger path elements have a relatively low thermal conductivity in a direction along which the first (700) and second (702) air flows pass.
    3. Dehumidification device, according to claim 1, characterized by the fact that:
    Petition 870190085408, of 08/30/2019, p. 12/16
    [4]
    4/6 pre-cooled, then cooled by the core (102) and then heated.
    7. Dehumidifying apparatus according to claim 5, characterized by the fact that the stack of generally flat relief elements comprises first (124) and second (126) alternately generically flat elements.
    8. Dehumidification apparatus according to claim 7, characterized by the fact that air flows between adjacent elements of the first (124) and second (126) alternately generically flat elements are in a mutual heat exchange ratio generally counterflow .
    9. Dehumidification apparatus according to claim 5, characterized by the fact that the generically flat elements (124.126) are formed under vacuum.
    10. Dehumidifying apparatus according to claim 5, characterized in that the generally flat elements (124.126) comprise at least one protuberance (330) and at least one corresponding recess (530).
    11. Dehumidification apparatus according to claim 10, characterized in that at least one protuberance (330) and at least one corresponding recess (530) comprises at least one set of protuberances (360,370,560 and / or 570) and recesses (460,470,660 and / or 670) corresponding.
    12. Dehumidification device according to claim 11, characterized by the fact
    Petition 870190085408, of 08/30/2019, p. 14/16
    4. Dehumidifying apparatus according to claim 3, characterized by the fact that the core elements (122) are aligned and sealed with respect to the heat exchanger path elements (124.126).
    [5]
    5/6 that at least one set of protuberances (360,370,560 and / or 570) is formed with tapered ends.
    13. Dehumidifying apparatus according to claim 11, characterized by the fact that at least one set of protrusions (360,370,560 and / or 570) includes at least one protuberance inclined downwards.
    14. Dehumidifying apparatus according to claim 13, characterized by the fact that at least one downward-sloping protuberance provides a path for condensate drainage.
    15. Device in dehumidification, in wake up with claim 1, characterized by the fact in that the cooled core (102) is made up of elements in core (122) over the which are the first (700) and second (702) air flows pass am counterflow in relationship mutual. 16. Device in dehumidification, in wake up with claim 5, characterized by the fact in
    that each of the generally flat elements (124,126) comprises a respective element of the first heat exchanger elements (362,462) and a respective element of the second heat exchanger elements.
    17. Dehumidification apparatus according to claim 1, characterized by the fact that each of at least a subset of the first air paths (124) in the first (362,462) and second (372,472) heat exchanger elements is surrounded
    Petition 870190085408, of 08/30/2019, p. 15/16
    5. Dehumidification apparatus according to claim 1, characterized by the fact that the first (124) and second (126) air paths are defined by a pile of generally flat relief elements.
    6. Dehumidification apparatus according to claim 5, characterized by the fact that an air flow between individual pairs of the stack of generally flat relief elements is initially
    Petition 870190085408, of 08/30/2019, p. 13/16
    [6]
    6/6 on all four sides by one of the second air paths (126), and each of at least a subset of the second air paths (126) is surrounded on all four sides by some of the first air paths (124) .
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    法律状态:
    2018-01-09| B08F| Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]|
    2018-03-13| B08G| Application fees: restoration [chapter 8.7 patent gazette]|
    2019-01-29| B27A| Filing of a green patent (patente verde) [chapter 27.1 patent gazette]|
    2019-02-26| B27B| Request for a green patent granted [chapter 27.2 patent gazette]|
    2019-06-04| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|
    2019-09-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2019-10-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/03/2014, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/03/2014, OBSERVADAS AS CONDICOES LEGAIS |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/834,857|US9140396B2|2013-03-15|2013-03-15|Dehumidification apparatus|
    US13/834,857|2013-03-15|
    PCT/IB2014/059620|WO2014141059A1|2013-03-15|2014-03-11|Dehumidification apparatus|
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