• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a heat exchanger (1) between a first and a second fluid, in particular for supplying air to a motor vehicle engine, comprising at least one heat exchange beam (5) traversed by the first fluid and a housing (7) in which said heat exchange beam (5) is housed so as to be traversed by the second fluid, said heat exchanger (1) comprising at least one gasket (9). ) disposed between said heat exchange beam (5) and said housing (7) to limit a bypass of the beam (5) by the second fluid.
    公开号:FR3019638A1
    申请号:FR1453009
    申请日:2014-04-04
    公开日:2015-10-09
    发明作者:Sebastien Devedeux；Laurent Odillard；Benjamin Ferlay
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a heat exchanger, in particular for supplying air to motor vehicle engines, and more particularly to engines whose supply air comes from a compressor or a turbocharger. delivering air called supercharging. In the following, we mean by air supply, or supercharging, both the air from the only air intake circuit of the engine that a mixture of air and exhaust gas recovered output of the engine, in accordance with the system generally known by the acronym of EGR ("Exhaust Gas Recirculation").
    [0002] In order to increase the density of the intake air of a turbocharged engine, it is known to cool the charge air leaving the compressor by means of a heat exchanger which is also called charge air cooler or RAS abbreviated.
    [0003] A charge air cooler has at least one heat exchange bundle. This heat exchange bundle comprises a stack of plates alternately forming circulation channels for the supercharged air to be cooled and channels for the circulation of the coolant of the exchanger.
    [0004] This exchanger is generally integrated in the intake manifold of the internal combustion engine. The efficiency of the heat exchange strongly depends on the level of leakage between the beam and the collector. Poor sealing at this level results in a significant drop in performance of the exchanger. In addition, it is essential to ensure a precise and reproducible beam positioning in the manifold to ensure this seal. For this purpose, the invention relates to a heat exchanger between a first and a second fluid, in particular for supplying air to a motor vehicle engine, comprising at least one heat exchange bundle traversed by the first fluid and a housing in which said heat exchange beam is housed so as to be traversed by the second fluid.
    [0005] According to the invention, said heat exchanger comprises at least one seal disposed between said heat exchange bundle and said housing to limit a bypass of the bundle by the second fluid.
    [0006] In other words, the clearance provided between the beam and the housing is configured to cause a compression of the seal which then ensures a seal to the second fluid. With said seal, it prevents a direct passage of the second fluid from an inlet to an outlet of the housing without passing through the heat exchange beam. This prevents a fraction of the second fluid from the exchanger without having been cooled. Advantageously, the housing is configured to be connected to the intake manifolds of an engine. Said heat exchanger notably serves as a charge air cooler for the engine.
    [0007] According to other features of the invention which may be taken alone or in combination: said seal is located at an exit face of the bundle; said case is closed on one of its faces by a so-called plate; front flange, to which said heat exchange bundle is sealingly attached, - said heat exchange bundle is rectangular parallelepiped, - said bundle has a large face secured to said front flange, a large opposite face and faces lateral connecting said large faces, said gasket extending along said side faces and said large face opposite to that secured to the front flange, - said heat exchange beam is closed on the large face opposite to said front flange by a plate called structural plate, - the heat exchange bundle comprises fluid circulation plates stacked one on the other, said plates each having a at least one transverse flange, in particular, perpendicular to their plane, the flange or flanges being perpendicular to the lateral faces of the beam, the flange or flanges projecting from an apex of the plates, the flange or flanges being arranged. along a same direction parallel to a stacking direction of the plates, in particular at an edge of a longitudinal inlet or outlet face of the second fluid of the bundle, in particular an edge of the longitudinal exit face of the second beam fluid, - said structural plate comprises at least one flange passing through a plane containing said flange (s) of the plates, - said gasket is mounted along said one or more beam plate flanges and / or said plate flange structural, - said gasket has a U-shaped section, in particular regular, able to engage on said one or more beam plate edges and / or said structural plate rim, - said gasket sealing is configured to extend continuously on the or said bundle plate edges and / or said structural plate edge, in particular on each of the lateral faces and structural plate of the bundle, said seal comprises a lip, in particular a profiled outer lip, - said outer lip is adapted to be applied, in particular compressed, against a wall of the housing, so as to confer said seal to the second fluid between the beam and the housing, - said seal is a thermoplastic element or elastomer, - said seal is adapted to be fixed, in particular clipped, on said beam plate edge or edges and / or said structural plate flange, said gasket is U-shaped to extend along said side faces of the bundle and the structural plate, - said seal is provided with two hinge zones, one at each end s of the main branch of the U corresponding to the structural plate, said hinge zones being able to widen the opening of the U and bring it back to an initial profile to allow easy assembly of the seal on the bundle, - said housing comprises a housing for said seal, - said housing is shaped in a rib profile for sliding mounting of the beam equipped with the seal in the housing, - said housing is shaped rigid to allow a mechanical strength of the beam in the housing, including playing the role of stiffener, which eliminates the games and the cantilever in the connection of the beam to the housing and damps the vibrations, thus the modes of the vibration frequencies of the beam are increased and the amplitudes of the vibrations on each mode are attenuated, the seal comprises a support heel cooperating with said housing, in particular to allow the maintenance of the beam in the housing. The invention also relates to a method for mounting such a heat exchanger, the method comprising the following steps: mounting said seal on the heat exchange bundle, in particular on said one or more plate edges; beam and / or on the structural plate flange, and - assembly of the beam equipped with the seal in the housing. Said beam is fixed to the housing by means of the front flange, which is in particular screwed to the housing, with the interposition of a possible other seal to prevent leakage of second fluid outside the housing. The invention also relates to a vehicle engine intake module comprising a heat exchanger as described above. Other advantages and features of the invention will become apparent with reference to the description of exemplary embodiments of the invention and with reference to the appended drawings, in which: FIG. 1 is a diagrammatic perspective exploded view of a heat exchanger according to one embodiment of the invention; FIG. 2 is a schematic perspective view of the heat exchange bundle and the gasket, during assembly, of the heat exchanger; 3 is an enlarged perspective view of the seal, showing in particular its cross-section; FIG. 4 is an elevational view of the heat exchange bundle, the heat exchanger, FIG. FIG. 1 is a partial sectional view along section AA of FIG. 4; FIG. 6 is an enlarged view of a detail of FIG. 4 at a hinge zone of the seal; - Figures 7 and 8 are views of the heat exchange bundle showing modes of mounting the seal, - Figure 9 is a partial sectional view similar to Figure 5 showing an alternative embodiment, - Figure 10 is a partial sectional view of the seal mounted between the bundle and the housing on a structural plate edge of the bundle. With reference to the drawings, FIGS. 1 and 2 in particular, the invention relates to a heat exchanger 1, in particular for an air supply of a motor vehicle engine, as here. The exchanger allows a heat exchange between a first fluid El and a second fluid F2. In the illustrated application, the first fluid E1 is a coolant, in particular brine, and the second fluid F2 is the supercharging air, to be cooled. This exchanger 1 thus forms, for example, a charge air cooler integrated into an intake manifold 3 of the internal combustion engine. Said exchanger 1 comprises at least one heat exchange bundle 5 traversed by the first fluid El and a housing 7 in which said heat exchange bundle 5 is housed so as to be traversed by said second fluid F2. According to the invention, said heat exchanger 1 comprises at least one seal 9 disposed between said heat exchange beam 5 and said housing 7 to limit a bypass of the beam 5 by the second fluid F2. Thanks to the invention, it prevents a passage of the second fluid F2 between the heat exchange beam 5 and the housing 7. Such a feature can greatly increase the heat efficiency of the exchanger. Indeed, because of the high density of the beam and therefore the consequent pressure drop on the second fluid F2 in the beam, even a small leak between the housing and the beam would cause a large flow of uncooled gas through the beam. exchanger. As can be seen in FIG. 1, the housing 7 is here configured to be connected to intake manifolds 11 of the engine. It comprises in particular a protrusion or outlet manifold 3 on one of its large faces, through which it is connected to said intake manifolds 11. An inlet manifold of the second fluid is located at the opposite side. Said housing 7 is closed on one of its faces by a so-called front flange plate 15, to which said heat exchange bundle 5 is sealed, particularly by soldering. This front flange 15 is fixed here by screws 17 to the housing 7. Another seal may be used between said flange 15 and said housing 7 to prevent leakage of second fluid to the outside. Said flange 15 further comprises ducts 19 for entering and leaving the first fluid of the heat exchange bundle. It should be noted that this front flange 15 closes an opening 21 of the housing for the passage of the heat exchange beam 5, when it is mounted in the housing.
    [0008] Said heat exchange beam 5 is rectangular parallelepiped here. It comprises a stack of plates 23 alternately forming circulation channels for the first and the second fluid. The plates are, for example, assembled in pairs to form circulation channels for the first fluid. Here said channels are configured in U and the first fluid enters and leaves the pairs of plates at orifices located on the same side 31 of the beam 5. The orifices of the pairs of plates communicate with each other in pairs to form an inlet manifold and an outlet manifold for the first fluid, respectively communicating with the ducts 19 of the front flange 15. Said plates are formed, for example, by stamping, stacked and brazed together. The exchange of heat between the plates 23 and the second fluid is done in part by means of turbulators 25 located between the pairs of plates.
    [0009] Said heat exchange bundle 5 is here closed on a large face, opposite to said front flange 15, by a plate called structural plate 27. This plate 27 is for example fixed to the beam by soldering.
    [0010] The plates 23 may each have a flange 29 formed projecting from their plane, in particular perpendicular to their plane. The flange 29 is here perpendicular to the lateral faces 31 of the beam, namely the faces adjacent to the longitudinal faces 33 of the inlet and the outlet of the air of the beam. This or these flanges 29, particularly visible in Figures 7 to 9, are preferably arranged in a plurality of identical edges 29 spaced regularly from each other at the pairs of plates.
    [0011] The or said flanges 29 are advantageously arranged along the same direction parallel to the stacking direction of the plates. They are located, for example, along an edge 35 of longitudinal face 33 of the beam, here the longitudinal end face of the second fluid.
    [0012] In other words, said flanges 29 form a line d which is here an edge line 35 of said longitudinal face 33 of output of the second fluid of the beam.
    [0013] Said rims 39 may be extended along said longitudinal face 33 in order to come into contact with the turbulators 25. They thus form a screen preventing the passage of the second fluid at zones of the uncoated plates of said turbulators, which favors the exchange heat.
    [0014] Said structural plate 27 also comprises at least one flange 37, here a regular flange 37, FIG. 10, passing through a plane containing the flange (s) 29 of the plates 23. This flange 37 is rectilinear, perpendicular to the plane of the structural plate 27.
    [0015] Said seal 9 is mounted along said one or more flanges 29 of the beam plate and said flange 37 of the structural plate, being attached, for example glued, to these.
    [0016] Advantageously, said seal 9 is mounted on said beam plate flanges 29 and on said structural plate flange 37 on three sides of the beam 5, as here. It is in particular configured with a U-shaped profile, FIGS. 7 and 8, to extend longitudinally in continuity on said beam plate edges 29 and said structural plate flange 37, on each of said lateral faces 31 and structural plate 27 of the bundle . In addition, said seal 9 has a uniform U-shaped section, FIG. 3, adapted to allow the seal to engage or receive said beam plate flange 29 and said structural plate flange 37. The engagement can be relatively tight in order to retain the seal after engagement. The profiles of the flanges 29 and 37 are identical here but they may be different, the seal 9 having a complementary profile. Preferably, said seal 9 is able to be fixed, in particular clipped by a hook 38 of the U, as it appears in FIG. 5, on said flange 29 of the beam plate and said flange 37 of the structural plate 15 after his engagement on these. Said seal 9 comprises, FIGS. 9 and 10, a profiled outer lip 39, here in a longitudinal profile with a rounded and tapered section at the end 41. Said outer lip 39 can be applied, in particular compressed, against a wall 43 of the housing, so as to confer said seal to the second fluid between the beam and the housing. More specifically, the gasket 9 is housed in a recess 45 of the housing, complementary to the gasket. The recess 45 here has a rectangular section, which accommodates the seal 9, in particular in a compressed manner between two opposite lateral faces 47 of the recess. The seal 9 comprises in particular a heel-shaped portion 49 opposite the lip 39, which allows it to maintain the beam 5 integrally with the housing 7. Said seal 9 is preferably a thermoplastic or elastomeric element, in particular deformable to a certain tolerance to support said sealing compression. This tolerance before and after compression is for example 0.1 mm and 0.25 mm.
    [0017] As mentioned above, said seal 9 is U-shaped to extend along said side faces 31 and the structural plate 27 of the beam. At each end of the main branch of the U, corresponding to the structural plate 27, the seal 9 is provided with a hinge zone 51, see FIGS. 6 and 7, said two hinge zones 51 being able to increase opening the U to mount the seal on the beam and bring it back to its initial configuration of U, the engagement on said flanges 29, 37. This arrangement facilitates the assembly of the seal on the beam. The seal can still be slid on the flanges 29, Figure 8, until the engagement on the flange 37 at the end of mounting of the seal. Said housing 7 comprises a housing for said seal 9, which is here said recess 45. This housing 45 is shaped in a rib profile, in particular in said rectangular section, to allow sliding mounting from the opening 21 , the beam 5 equipped with the seal 9 in the housing 7. Said housing 45 is shaped rigid to allow a mechanical strength of the beam 5 in the housing 7, in particular by acting as a stiffener. This arrangement eliminates the games and the overhang in the beam connection to the housing and dampens vibrations. In this way, the modes of the vibration frequencies of the beam and hence of the exchanger 1 are increased and the amplitudes of the vibrations in each mode are attenuated. The reliability of the exchanger and its quiet operation are improved. The method of mounting such a heat exchanger 1 is now described. The method comprises the following steps: - mounting said seal 9 on the heat exchange bundle 5, in particular mounted on said beam plate edge (s) 29 and on the structural plate edge 37, and mounting the bundle 5 equipped with the seal 9 in the case 7, in particular sliding on said recess 45 in the case 7 since its opening 21.
    [0018] Said beam 5 is then fixed to the housing 7 by means of the front flange 15, here screwed onto an opening edge 21 of the housing. The invention also relates to a motor vehicle intake module 53 comprising a heat exchanger as described above and visible in part in FIG. 1. The invention thus provides a heat exchanger, in particular a heat exchanger. vehicle engine boost air, which is powerful, quiet and reliable.
    权利要求:
    Claims (15)
    [0001]
    CLAIMS1- Heat exchanger (1) between a first and a second fluid, in particular for supplying air to a motor vehicle engine, comprising at least one heat exchange beam (5) traversed by the first fluid and a housing (7) in which said heat exchange beam (5) is housed so as to be traversed by the second fluid, said heat exchanger (1) comprising at least one seal (9) disposed between said heat exchange beam (5) and said housing (7) for limiting a bypass of the beam (5) by the second fluid.
    [0002]
    2- heat exchanger (1) according to claim 1, wherein said seal (9) is located at an output face of the beam (5).
    [0003]
    3- heat exchanger (1) according to one of claims 1 and 2, wherein said housing (7) is closed on one of its faces by a plate called said front flange (15), to which said beam (5) ) heat exchange is sealed.
    [0004]
    4- heat exchanger (1) according to the preceding claim, wherein said beam (5) has a large face secured to said front flange (15), a large opposite face and side faces (31) connecting said large faces, said joint (9) extending along said large face opposite to that secured to the front flange (15) and said side faces (31).
    [0005]
    5- heat exchanger (1) according to claim 4, wherein said beam (5) of heat exchange is closed on the large face opposite said front flange (15) by a so-called plate structural plate (27).
    [0006]
    6. Heat exchanger (1) according to any one of the preceding claims, wherein the beam (5) of heat exchange comprises plates (23) fluid circulation stacked one on the other, said plates (23) each having at least one flange (29) perpendicular to their plane, the or flanges (29) being disposed along a same direction parallel to a stacking direction of said plates.
    [0007]
    7- heat exchanger (1) according to claim 6, wherein the or said flanges (29) project from an apex of the plates (23).
    [0008]
    8- heat exchanger (1) according to one of claims 6 or 7, wherein said seal (9) is mounted on the one or more flanges (29) of beam plate.
    [0009]
    9- heat exchanger (1) according to claim 8 wherein said beam (5) comprises at least one lower flange (37) passing through a plane containing the or said flanges (29) of the plates (23) and said seal is 20 further mounted on the flange (37) of structural plate.
    [0010]
    10- heat exchanger (1) according to one of claims 8 and 9, wherein said seal (9) has a U-shaped section, adapted to engage on the or said flanges (29) of plate beam and / or said flange (37) of structural plate.
    [0011]
    The heat exchanger (1) according to one of claims 8 to 10, wherein said seal (9) is configured to extend continuously over said one or more beam plate edges (29) and / or said flange (37) of structural plate.
    [0012]
    12- heat exchanger (1) according to any one of the preceding claims, wherein said seal (9) has a lip (39) profiled outer, said lip (39) being adapted to be applied against a wall ( 43) of said housing (7).
    [0013]
    13- heat exchanger (1) according to any one of the preceding claims, wherein said housing (7) comprises a housing (45) for said seal (9), said housing (45) being shaped in a profile of rib.
    [0014]
    14. Heat exchanger (1) according to any one of the preceding claims wherein said seal is a thermoplastic or elastomeric element.
    [0015]
    15- Module (53) of vehicle engine intake comprising a heat exchanger (1) according to any one of claims 1 to 14. 20
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    同族专利:
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    KR20200045986A|2019-12-17|2020-05-06|손성욱|A Heat Exchanger|
    KR20210000290A|2020-12-21|2021-01-04|손성욱|A Heat Exchanger|
    法律状态:
    2016-04-28| PLFP| Fee payment|Year of fee payment: 3 |
    2017-04-28| PLFP| Fee payment|Year of fee payment: 4 |
    2018-04-26| PLFP| Fee payment|Year of fee payment: 5 |
    2019-04-29| PLFP| Fee payment|Year of fee payment: 6 |
    2020-04-30| PLFP| Fee payment|Year of fee payment: 7 |
    2021-04-29| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1453009A|FR3019638B1|2014-04-04|2014-04-04|HEAT EXCHANGER FOR MOTOR VEHICLE|
    FR1453009|2014-04-04|FR1453009A| FR3019638B1|2014-04-04|2014-04-04|HEAT EXCHANGER FOR MOTOR VEHICLE|
    KR1020167030887A| KR101906698B1|2014-04-04|2015-04-03|Heat exchanger for a motor vehicle|
    US15/301,596| US20170023315A1|2014-04-04|2015-04-03|Heat exchanger for a motor vehicle|
    PCT/EP2015/000724| WO2015149951A1|2014-04-04|2015-04-03|Heat exchanger for a motor vehicle|
    CN201580029710.XA| CN106414944B|2014-04-04|2015-04-03|Heat exchanger for motor vehicles|
    EP15723828.8A| EP3134628B1|2014-04-04|2015-04-03|Heat exchanger for a motor vehicle|
    JP2016560653A| JP6383801B2|2014-04-04|2015-04-03|Heat exchanger for motor vehicles|
    ES15723828T| ES2809514T3|2014-04-04|2015-04-03|Heat exchanger for motor vehicle|
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