巴西专利BR112012008651B1 INSERT FOR FILTER AND FILTERING DEVICE

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专利摘要:
patent: filter housing and filter device. The present invention relates to a filter housing comprising: a. a filter element with an inlet side end face and a discharge side end face and spaced from the first face in the direction of the main flow, and b. a surrounding frame along the side faces of the filter element which is joined with the filter element, the frame having an axial seal, the sealing direction of which is projecting in or against the main flow direction, the sealing being, in the sealing direction, it may be contacted with a sealing face of a filter housing, whereby the inlet side of the filter housing may be sealedly separated from the discharge side, with the frame on two opposing side faces. for the filter fitting has a first and a second contact face for securing the filter element by means of a first and a second fastener, the contact faces essentially aligned in the opposite direction in the sealing direction, and The contact faces have an individualized height profile that projects along the side faces.
公开号:BR112012008651B1
申请号:R112012008651-0
申请日:2010-10-06
公开日:2019-06-11
发明作者:Stefan Becker；Oliver Steins；Jörg Menssen；Kai Hilarius
申请人:Mann+Hummel Gmbh；
IPC主号:

专利说明:

Invention Patent Descriptive Report for FILTER INSERT AND FILTERING DEVICE.
TECHNICAL FIELD [001] The present invention relates to a filter insert and a filtering device.
STATE OF THE TECHNIQUE [002] From the document DE 198 49 089 A1 a filter became known, especially for the air sucked from combustion engines, comprising a housing with an addition of impure air and a discharge of fresh air, as well as a filter element integrated in the housing, which essentially consists of a filter material and folded into a star shape, the housing consisting of two or three sections, consisting of a cylindrical housing shirt in a separable and troughly joined shape of a cover on the fresh air side.
[003] From the document WO 2008/080129 A1, a filter insert has come to be known that has a frame that on both sides has several flat and oblique segments. There is no possibility of variation in the use of different types of filter elements and means.
[004] The present invention aims to form variables, filtering devices of similar construction, within a controllable measure, especially in such a way that for variants of filtering elements the same form of construction of the housing can be used and at the same time it can be ensured that only filter elements with specific properties can be used.
DESCRIPTION OF THE INVENTION [005] The present invention encompasses a filter insert, comprising
Petition 870190004050, of 14/01/2019, p. 5/33
2/20
The. A filter element with an end face on the intake side and an end face on the discharge side, the direct connection of the end face on the intake side with the end face on the discharge side corresponds to the main macroscopic flow direction, especially referred to a global filtering set, and
B. a revolving frame along the side faces of the filter element, which is joined with said filter element, the frame having an axial seal, whose sealing ring is aligned in the direction or opposite to the main flow direction, being that the seal can be moved in the direction of the seal, with a sealing face of a filter housing, with which the inlet side of the filter insert, the seal can be brought into contact in the direction of the seal - with a sealing face of a filter housing, with which the inlet side of the filter insert can be separated from the discharge side, in a sealing way, [006] and the frame, in the region of an end face, on two opposite sides of the filter element, it has a first and a second contact face for fixing the filter by means of a first and a second fastening element, the contact faces being essentially aligned in direction contrary to the sealing direction, [007] being that the contact faces have a height profile, [008] being that the contact faces have an individual elevated profile and that extends along the lateral faces.
[009] In addition, the invention covers a filter insert, especially a filter insert for aspirated air for combustion engines, especially for use in a filter, according to the invention, comprising:
The. a filter insert with an end face on the side of the
Petition 870190004050, of 14/01/2019, p. 6/33
3/20 intake which can receive especially impure air flow and with an end face on the discharge side, in which, during operation, the filtered air leaves the filter insert,
B. a surrounding frame along the side faces of the filter insert, not traversed by the flow, which frame is joined with the filter and has an axial seal, which can be pressed against the sealing face of a filter housing, in a sealing direction , and the frame, on two opposite sides of the filter insert, has a first and a second contact face for fixing the filter insert in a filter housing, by means of a first and a second fastening element, the normal ones of the contact face are aligned essentially opposite to the direction of the fence, presenting a height profile, the first contract face having a first height profile and the second contact face having a second height profile diverging from the first height profile, and the gasket or filter insert can be fixed in a housing, especially through two fastening elements, and the fastening elements are opposite to the two height profiles.
[0010] The direction of sealing is that direction, in which the axial seal must be compressed against a sealing face, in order to produce a sealing effect.
[0011] Filter inserts according to this invention have the advantage that for different of these filter inserts which can be equipped, for example, with different filtering means, they can, therefore, present different production characteristics with respect to the capacity of differential pressure dust, moisture resistance and flame resistance, and individual frames and corresponding individual fixing elements can be provided, and for all variants, the same built form can be used.
Petition 870190004050, of 14/01/2019, p. 7/33
4/20 accommodation.
[0012] In this way, it becomes possible, with little effort, to form variants of filtering devices for which the same housing can be used, and for each variant an individual combination of frame geometry and fixing element geometry is used. .
[0013] Advantageously, in this way, for the defined purposes of use, by prior indication of the shape of the fixing elements, it can be ensured that only filter elements with certain properties can be used.
[0014] Thus, for example, for a specific combustion engine, whose suctioned air must be cleaned by the filter insert, according to the invention, it can be ensured that only filtering elements can be used with filtering means available for the predetermined use of sufficient moisture resistance. In this way, a simple adaptation of operational machines and drive groups will be made possible, in different places of employment and under different conditions of use, and the optimal filtering performance for the respective environmental conditions can be achieved.
[0015] In an especially advantageous way, the adaptation of the filtering device to the different marginal conditions can be done directly at the place of use, being that only the fastening elements need to be adjusted.
[0016] In one embodiment, the direction of the seal is located in the direction of the main flow, that is, the seal will be compressed in the direction of the main flow. In an alternative embodiment, the direction of the seal is provided in the opposite direction to the main flow direction.
[0017] According to one modality, the height of the height profile is defined by the distance from the respective contact surface segment
Petition 870190004050, of 14/01/2019, p. 8/33
5/20 of the plane covered by the filter insert seal.
[0018] In one embodiment, the height profile has at least two adjacent regions, with one region projecting at an angle to the end face of the exit side and the neighboring region projecting in parallel to the end face of the filter insert on the discharge side. In an additional or alternative character, regions with non-continuous slopes may be used, such as circular or parabolic cutouts, or other curved shapes.
[0019] In one embodiment, the height profiles, along two opposite side faces of the filter element, have a common forward direction, along which the height increases predominantly, with the increase occurring continuously or into individual segments.
[0020] In another mode, the forward direction forms the direction of assembly of the filter insert, inside a filter housing.
[0021] In one embodiment, the frame presents in the region of the first and / or the second side face at least one groove to position the filter insert in the assembly, which extends in parallel to the plane covered by the seal, between this plane and the contact face, which, in the opposite direction to the forward direction, forms a recess in a section of the height profile.
[0022] This groove has the advantage that in the action conjugated by a spring, formed by a rib, in the filter housing wall, the filter insert, when the filter housing is inserted at the end of the introduction process, will be conducted in an optimized position, inside the filter housing, with which the tilting or twisting of the filter insert can be avoided.
[0023] In addition, the groove can be provided for different insert variants for filters also only on the right side, with which additional variants are possible, with different housingPetition 870190004050, from 14/01/2019, p. 9/33
6/20 tos, whose geometry due to the spacing of the ribs can be correspondingly simplified. For example, for applications that require resistance to moisture, basically on one side a rib should be provided, while simultaneously non-moisture resistant filter inserts on the side in question never have a groove. At the same time, in this process it is still possible to achieve - due to different geometries of the frame and the fixing elements - a differentiation from other properties such as fire protection properties, etc.
[0024] According to another modality, the frame, in the region of the terminal face on the intake side or on the discharge side, is arranged there, being joined with an annular disk in a ring shape that partially covers the terminal face in an external region and presents an opening that can be crossed by flow, with an annular rib, partially or totally surrounding, on the terminal disc inside the seal, which - protruding from the terminal disc transfixes the face that is formed by the seal face of the seal in state not fixed. The ring shape, in this case, can be circular, ellipsoid or oval.
[0025] The ring annular rib is shaped in such a way that it plunges into an opening of the housing, by which it is surrounded, this opening being disposed within the sealing face of the housing.
[0026] This has the advantage that when inserting a filter insert, the seal does not touch, or only lightly, the sealing face over a large part of the introduction path, when particles adhering to the face region are prevented sealant on the internal wall of the housing, when inserting the filter insert, are released by the seal, reaching the pure side.
[0027] According to an advantageous modality, the ring annulus cirPetição 870190004050, of 01/14/2019, p. 10/33
The surrounding 7/20 is higher in the region facing the housing cover, with this region plunging to a greater extent than the remaining region, within the opening provided in the housing sealing face. In the case of a suspended assembly of the filter insert, from the bottom up, in a housing, therefore, the highest region - with the filter insert fully inserted, rests on the opening and prevents the filter insert from falling. In this way, assembly will be facilitated, because the filter insert and a subsequently applied housing cover, which secures the filter insert, can be mounted sequentially, without having to manually hold the filter insert in position. [0028] Alternatively, the surrounding rib may also be formed outside the fence, in which case a cavity or groove in the housing must be provided, outside the sealing face.
[0029] According to one modality, in the frame - in connection with the contact faces, a first and a second extension are arranged, which extend in the direction of the assembly, in addition to the ring face projected by the seal.
[0030] These extensions or extensions cooperate with a ramp contour that is revealed by the filter housing inside, always on the two side walls, and whose ramp faces are directed in the direction of the insertion region, reducing the distance from the face of ramps in the direction of the fitting face in the direction of assembly, and the extensions can be conducted in the frame, in the assembly of the filter insert, from the face of the ramp in the direction of the sealing face, with which the filter insert will be in such a way that the rib of the housing can penetrate the groove of the filter insert.
[0031] This has the advantage that the filter insert, for example,
Petition 870190004050, of 14/01/2019, p. 11/33
8/20 at the time of introduction, it is driven in the opposite and gradual direction with a possible slack progressively smaller in the opposite direction to its terminal position, without great resistance due to bending due to conduction. In addition, when applying the filter insert at the beginning of the assembly process, high precision is not required. In addition, the danger of tipping the filter insert during assembly will be reduced and the filter insert will be positioned in such a way that the fasteners do not have to overcome a long path between the loose position, in the fully introduced state, and the working position in fixed and sealed state.
[0032] In one embodiment, the filter insert has on its side faces, in the region of the opposite end face in relation to the frame, at least two spacers of elastic material. These cams are advantageously shaped in such a way that in the assembled state they provide a vibration-free support of the filter insert, inside the housing.
[0033] A filter insert according to the invention can have different species and form of construction of filter inserts.
[0034] In one embodiment, the filter insert has at least one annular filter medium, folded into a star shape, with the front sides of the filter medium forming the end face of the filter element on the intake side and on the discharge.
[0035] In an advantageous mode, the filter insert has two bellows of ring-shaped filter medium, folded into a star shape, with a small bellows of filter medium being integrated concentrically into a large bellows of filter medium, being that the frame, in the region of a first end face, is sealingly joined with the bellows of large filter medium, being
Petition 870190004050, of 14/01/2019, p. 12/33
9/20 that in the region of the first end face, the internal compartment of the small filter media bellows is completely closed and, in the region of the second end face, the front sides of the two bellows of filter media are interconnected in a sealing way . In this case, the bellows of external filtering medium, in a conformation, can be crossed from the outside to the inside and the bellows of internal filtering medium can be crossed by the flow from the inside to the outside. In this conformation, the frame and the seal of the filter insert are in the region of the end face on the outlet side of the filter insert. Alternatively, you can imagine a current conduction in the opposite direction.
[0036] According to one embodiment, the filter element is a compact filter element for air with a large number of channels, alternately closed in the regions of the end faces, especially formed by alternately superimposed layers of a flat filter medium and a medium corrugated filtering.
[0037] In one embodiment, the filter element is a rectangular shaped filter element, folded in a zigzag direction, with the end faces of the filter elements being formed by the edges of the folds.
[0038] The present invention also relates to a filter insert with a filtering medium and a terminal disc, the terminal disc having an axial or radial surrounding seal, and the terminal disc has a surrounding rib, according with sections [0017] -0021]. Other finishes of this filter insert result from combinations with different characteristics of the embodiments.
[0039] Furthermore, the invention covers a filtering device, comprising a filter insert according to one of the already described embodiments and a filter housing with a region
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10/20 intake and a discharge region for media to be filtered, and the intake region with the discharge region presents a recoil region with an annular sealing face that corresponds with the sealing of the filter insert.
[0040] In another modality, on one side of the housing, an opening is provided for the assembly through which the filter insert can be inserted into the housing in a perpendicular direction in the direction of the main flow. In this case, the opening for the assembly can be closed by a cover, especially in a sealing way, and in the cover there are two fastening swords that protrude inside the filter housing, the first fastening sword protruding along the first side face of the filter insert and the second securing sword protrudes along the second side face of the filter insert. The fixing swords have fixing faces aligned in the direction of the region of integration of the fitting, and the fixing faces have a height profile, and the height profiles of the fixing faces correspond with the corresponding height profile of the contact faces provided for in and form a counterform in relation to these faces. With the cover fitted and with the clamping swords projecting fully into the filter housing, the clamping swords apply a force to the corresponding contact face of the filter insert, in such a way that the seal of the filter insert is pressed against the sealing face of the housing and, in this way, the filter insert is fixed within the housing.
[0041] In one embodiment, two protuberances are provided on the walls of the housing that have flat support faces, directed in the direction of the recoil region and on which they rest on the flat support faces of the attachment swords that are opposite the attachment faces .
Petition 870190004050, of 14/01/2019, p. 14/33
11/20 [0042] In a filtering device, within the filter housing, at least one rib is provided, which is integrated in a side wall of the filter housing and extending from the bottom of the filter housing, extends in the direction of the opening for assembly, the rib being shaped in such a way that in the assembly of the filter insert it penetrates into the groove of the filter insert.
[0043] In one embodiment, the filter housing has, on the inside, on the two side walls, a ramp contour, the ramp face of which is directed in the direction of the collection region, with the distance between the ramp face and the face of retraction is reduced in the direction of assembly, and the extension or extension of the terminal disc, in the assembly of the filter insert, can be guided by the ramp face towards the integration region, with which the filter insert will be such a position is placed that the rib of the housing can plunge into the groove of the filter insert.
[0044] In one embodiment, the mounting opening is notched on the side of the pickup region, in which the frame of the filter insert can be received, is notched more deeply in the side wall of the housing than in the region of the other end face of the filter insert.
[0045] In one embodiment, the opening for assembly is limited in the intake part by a handle, in which a folding rib is provided and which protrudes inside the internal compartment, against which the filter insert touches, when it is tipped over inside the housing. In this way, it will be avoided that the filter insert in the extraction may be stuck in the referred handle.
[0046] In one embodiment, the filter housing has an opening inside the sealing filter, which is so shaped that it surrounds the ring-shaped rib, partially or totally cirPetition 870190004050, from 01/14/2019, pg. 15/33
12/20 in the terminal disk of the filter insert, when the filter insert is fully inserted in the direction of assembly, inside the filter housing.
[0047] In addition, the invention encompasses a group of filter device products, comprising housing variants, with cover variants and filter insert variants, according to the filters recommended by the present invention, with different elements of filtering is always allocated a combination of the following characteristic variants:
The. the groove on the side of the filter element is not provided for any, one or both filter elements;
B. the rib on the side of the filter housing is not provided for any, on one or both side walls of the filter housing;
ç. at least one of the fixing faces and the corresponding contact face of the filter insert have a height profile that differs from the height profile of other filtering devices that are part of the product group.
BRIEF DESCRIPTION OF THE DRAWINGS [0048] Figure 1 shows an embodiment of a filter insert 1, according to the invention.
[0049] Figure 2 shows a housing for a filtering device, according to the invention.
[0050] Figure 3 shows the cover of a filter device housing, according to the invention.
[0051] Figure 4 shows a partial section of a modality of a filtering device, according to the invention, with a cyclone set, according to the invention.
[0052] Figure 5 shows a cut by a filter insert, according to the invention.
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13/20 [0053] Figure 6 shows another cut for a filter insert, according to the present invention.
WAYS OF CARRYING OUT THE INVENTION [0054] Figures 1 and 5 show an insert insert for filter 1 according to the invention. In this embodiment, on the terminal face 3 on the discharge side of the filter element 6, a frame 4 is provided that bears an axial action seal 5. The filter element 6 is formed of two bellows of filter media 6a and 6b annular and folded into a star shape. The bellows of filter media have an oval cross section, with two straight, parallel segments. A smaller filter media bellows 6a is concentrically disposed in the annular compartment surrounded by the larger filter media bellows 6b, which between the bellows of filter media is formed a flow channel 7 for the medium to be filtered and that passes through this region .
[0055] In the region of the end face 3 of the filter element in the discharge section, the flow channel 7 forms the discharge opening of the filter element 6, and in the end face 2 on the intake side, the media bellows filtering 6a, b are sealingly interconnected. The internal compartment of the lower filter media bellows, in the region of the end face 3 on the discharge side, is sealed by a terminal disc or similar construction.
[0056] In this way, the bellows of the larger filter medium 6b will be bathed from the outside inward by the flow and the bellows of the internal filter medium 6a will be bathed from the inside out.
[0057] In the filter insert 1, therefore, a flow deviation will be achieved when the flow diverges from the main flow direction 8, defined by the union of the end face 2 on the intake side with the end face on the discharge side.
[0058] In the region of the terminal face 3 on the discharge side, the frame
Petition 870190004050, of 14/01/2019, p. 17/33
14/20 surrounds the side faces of the filter element 6, the frame forming with four extensions along the side faces 9 straight of the filter element (or only slightly curved) a rectangular cross section.
[0059] Along the straight sides 9 of the filter element 6, the frame has a contact face 10 for fixing the filter insert in a housing, the contact faces being aligned against the direction of the seal and against the direction of the main flow 8.
[0060] The contact faces have a height profile that extends along the straight 9 lateral faces, and the contact faces, in some regions of the height profile, may present a normal area that is not parallel towards the main flow direction, but it forms an angle with it. In the modality presented, the height profile has flat segments that project in parallel to the terminal face 3 on the exit side and also has oblique segments that present a positive slope along the lateral sides 9 straight, with the height, or that is, the distance from the contact face to the end face of the discharge side registers an increase.
[0061] The mounting direction thus forms a forward direction, along which the height increases predominantly.
[0062] In this case, the contact faces are so formed that they can be brought into contact with the fixing elements in a filter housing, which have a height profile that corresponds to the respective height profile of the contact faces, so that in the assembled state, a closure is produced due to the shape between the height profiles.
[0063] The two height profiles, along the rectilinear side faces of the filter element 6, differ in their geometry in such a way
Petition 870190004050, of 14/01/2019, p. 18/33
15/20 so that on both sides a fixing element with another corresponding shape must be used.
[0064] In a modality of the filter insert according to the invention, on the contact face, several oblique and flat segments are arranged sequentially, similar to steps. This has the advantage that only at the end of the introduction process, the flat segments, respectively corresponding to the contact faces of the filter insert, and the fixing faces of the fastening swords, are superimposed. In this way, the force necessary to fix the seal will only be applied at the end of the introduction process. In this way, a reduced use of necessary force is achieved for the assembly of the filter insert. In addition, the path along which the faces rub against each other is shortened, which minimizes the danger of welding caused by frictional heat.
[0065] In one embodiment, the flat segments of the contact face may be arranged on both sides of the filter element in a staggered manner at the same heights, but in different positions along the mounting direction.
[0066] From the ends located in the direction of the assembly 11, in the frame there are slots 28 that project in parallel with the plane covered by the seal 5, between the discharge terminal face 3 and the contact faces 10. In this slot it can penetrate a rib on the side of the housing like a spring, which reduces the risk of tipping over the filter element assembly.
[0067] On the end face 3 of the discharge side of the filter element 6, the frame 4 forms a terminal disc 12 which covers the front side of the bellows of larger filter medium 6b. In this terminal disc 12, the axial action seal 5 is positioned, whose shape reflects the contour exPetition 870190004050, from 01/14/2019, pg. 19/33
16/20 bellows suit of larger filtration medium. Inside the seal, a rib 13 is provided, surrounding and axially distant from the terminal disc, which protrudes at a distance, especially uniform with the seal around the flow channel 7. At the end of the frame, located in the direction of assembly 11, a surrounding rib 13 is lowered and at the opposite end the surrounding rib 13 is raised in relation to the remaining region. In this way, in the regions not lowered, the rib 13 goes beyond the seal. The face formed in a non-deformed state by the contact face of the seal will therefore be sectioned from the surrounding rib 13.
[0068] In an embodiment of the invention, the frame presents at the end of the filter insert, located opposite the direction of the assembly 11, two conductive extensions 14 that project against the main flow direction from the terminal disc 12, having greater distance from the rectilinear lateral faces, that is, from its imaginary extension, than the regions surrounding the picture. These conduction extensions serve to guide the fasteners in the assembly of the filter insert in such a way that these fasteners are inserted in a straight line and are not tipped over. The extensions can especially avoid mounting the filter insert, in the opposite direction to the mounting direction provided for the filter insert.
[0069] The front sides of the filter media bellows 6a, b of the intake side are interconnected through a terminal disc 15 of flexible material, for example, of foamed PUR, this union being sealing, the front faces being totally closed. This terminal disc features, in the region of the rectilinear side faces 9, as well as in the region of the ends of the filter insert, retaining cams of distance 16, of one-piece shape that can provide a flexible, vibration-resistant support of the filter insert in an aloPetition 870190004050, from 01/14/2019, p. 20/33
17/20 time.
[0070] Figure 2 shows a housing 17 of a filter device according to the invention. In the upper region, the housing has an opening for assembly 18, through which a filter insert 1 can be inserted in the direction of assembly 11 from top to bottom. The opening for the assembly, shown in figure 2, can be closed by the cover 19, shown in figure 3. In the housing 17 there are two protuberances 20, in which the fastening swords 21, joined with the cover, are provided. The swords have fixing faces 28, each showing a height profile that can be moved in closure due to the shape with the height profiles of the corresponding contact faces 10 of the insert for filter 1, with the corresponding height profiles forming in a direction converging a counterform. In the presented modality, the height profiles present oblique and rectilinear regions that are superimposed in the assembled state.
[0071] In one embodiment, the opening for mounting on the intake side is limited by a handle 38, in which a folding rib 37 is provided and which protrudes into the internal compartment, on which the filter insert 1 touches, when tumbled inside the housing. In this way, it is avoided that the filter insert, in the extraction, can be stuck in the handle 38.
[0072] The protrusions 20 have on one side opposite the sealing face 23, flat support faces 24, on which the fixing swords 21 with corresponding flat support faces 25 can be supported. In the internal region, sequential to the sealing face, the opening for assembly is lowered in a downward direction, that is, in the direction of assembly, in order to facilitate an easier assembly of the insert for filter 1, in some compartments. In an alternative embodiment, also the support faces 24 on the housing side and the support faces
Petition 870190004050, of 14/01/2019, p. 21/33
18/20 corresponding 25 of the fastening swords 21 may have one of the profiles proposed for the fastening faces 22.
[0073] In the direction of main flow, within the sealing face and thereafter, is the mounting compartment 26 for a secondary air filter element 33. The opening of the mounting compartment 26 has such a geometry that it can retract a rib 13 surrounding the filter insert 1, surrounding it with a slot especially 1-5 mm wide. In the case of a suspended arrangement, a filter insert of this type, inserted loosely and not yet fixed, has its fall blocked.
[0074] In connection with the mounting compartment 26 there is a discharge of fresh air 27. Figure 4 shows a partial section of a type of filtering device, according to the invention, with the filter insert being fixed and secured , that is, the seal 5 was compressed at the introduction of the fastening swords 21, these fastening swords 21 acting along the contact faces 10 of the filter insert and the support face of the protuberance 20, in the direction of support.
[0075] The ribs 19 on the housing side dip within tolerances into the slots 28 of the table 4. When inserting the filter insert into the housing 17, at the beginning of the insertion process, the seal 5 will be kept away from the sealing face 23, being that the surrounding rib 13 is positioned in the upper region of the sealing face 23. With the continued introduction, the movement clearance shown by the filter insert, for example, due to the lowered opening 18, is restricted in order to avoid tipping of the insert for filter 1. This is achieved by the fact that the conduction extensions 31, located in the direction of assembly 11, find in the frame at least one oblique conductive plane 32, which moves the insert for filter 1 - with the continued introduction - just before the end of the PROPetition 870190004050, of 01/14/2019, p. 22/33
19/20 cessation of introduction, in the direction of the sealing face 23. Then, the ribs 29 on the housing side plunge into the slots 28 of the frame, and on the one hand the freedom of movement for the filter insert will be restricted to such an extent that the likelihood of an inclination of the fitting within the housing 17 is reduced, but, on the other hand, there is still enough clearance to prevent the seal from prematurely compressing against the sealing face, which will reduce the danger of tipping or the inclination of the seal 5 At the end of the fitting process, that is, the introduction, the raised part of the surrounding rib 13 penetrates into the mounting compartment 26 of the secondary air filter element, thus preventing a fall of the filter insert during a suspended assembly, before the cover is assembled.
[0076] After the previous positioning of the insert for filter 1, the cover 19 can now be assembled when the fastening swords are initially driven by the conductive extensions 14, when the danger of tilting these fastening swords is reduced. As soon as the fastening faces 22 of the fastening swords 21 make contact with the contact faces 10 of the filter insert, the filter insert will be displaced towards the sealing face 23 and the sealing 5 will be understood in the sealing face 23, the rough side of the sealed form will be separated from the pure side.
[0077] In one embodiment, the filtering device comprises a pre-separator as shown in figure 4. The pre-separator consists of a cyclone block 30 of two sections that has several small individual cyclones.
[0078] Figure 6 shows another section of a modality of a filter insert according to the invention in a filtering device, according to the invention, with a different cut path, compared to figure 4. In the compartment of 26 section cut
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20/20 and shown, a secondary air filter element 43 is integrated which has a surrounding radial seal that secures the fluid-tight secondary air filter element 33 within the mounting compartment. The surrounding rib of filter insert 1 penetrates into the take-up compartment 26. In addition, it is clear that the seal 5 is compressed against the sealing face in the direction of the seal, in which case the direction of the seal corresponds to the direction of main flow 8 .

权利要求:
Claims (15)
[1]
1. Filter insert (1), especially an aspirated air filter insert for combustion engines, comprising
The. a filter element (6) with an end face (2) on the intake side and an end face (3) on the discharge side, spaced from the first, in the direction of the main flow, and
B. a frame (4) circulating along the side faces (9) of the filter element (6), which is joined with the filter element (6), the frame (4) having an axial seal (5), whose sealing direction is aligned with or against the main flow direction, and the seal (5), in the direction of the seal, can be brought into contact with a sealing face of a filter housing, with which the inlet side of the filter insert (1) can be separated from the discharge side in a sealing shape, the frame (4) having on two reciprocally opposite sides of the filter element a first and a second contact face (10) for fixing the element of the filter (6), by means of a first and a second fastening element (21), the contact faces (10) being essentially aligned in the opposite direction to the seal direction, the contact faces (10) have a height profile, characterized by the fact that the height profiles along two lateral faces (9) positioned opposite each other, essentially flat or slightly elliptically curved, have a common preferred direction, along which the height profiles travel and the height increases predominantly, with the increase occurring continuously or in individual segments and the first contact face has a first height profile and the second contact face has a second height profile, diverging from the first profile of
Petition 870190004050, of 14/01/2019, p. 25/33
[2]
2/5 height.
2. Filter insert (1), according to claim 1, characterized by the fact that the height of the height profile is defined by the distance of the respective contact face segment in relation to the plane covered by the seal (5).
[3]
3. Filter insert (1) according to claim 1 or 2, characterized by the fact that in the region of the first and / or the second flat or slightly curved side face, the frame (4) has at least one groove ( 28) which projects in parallel to the plane covered by the seal (5), between this plane and the contact face (10), positioning itself below and opposite to the forward direction, in relation to a part of the profile of height.
[4]
4. Filter insert (1), according to any of the preceding claims, characterized by the fact that the frame (4) is provided in the region of the end face of the intake side or the discharge side, being joined with a disc annular terminal (12), or is integrally shaped with it, which partially covers the terminal face in an external region and presents an opening that can be crossed by flow, and in the terminal disc, inside the seal, a rib is provided (13) annular, partially or totally surrounding, which, standing out from the terminal disc, intersect the area that is formed by the sealing face of the seal, in an unsecured state.
[5]
5. Filter insert (1), according to any one of the preceding claims, characterized by the fact that in the frame (4), at the height of the terminal disc (12), a first and a second extension (14) are provided in the direction of assembly.
[6]
6. Filter insert (1), according to any of the preceding claims, characterized by the fact that on the side faces of the filter insert (1), in the region of the end face opposite to
Petition 870190004050, of 14/01/2019, p. 26/33
3/5 frame (4), at least two distance retaining cams (16) of elastic material are arranged.
[7]
7. Filter insert (1) according to any one of the preceding claims, characterized in that the filter element (6) has at least one annular and folded star-shaped filter medium.
[8]
8. Filter insert (1), according to any one of the preceding claims, characterized by the fact that the filter element (6) has two bellows of ring filtration medium, folded into a star shape, with a small bellows of filter medium (6a) is arranged concentrically in a large filter medium bellows (6b), the frame (4), in the region of a first end face, being sealed together with the large filter medium bellows (6b), being that in the region of the first end face, the internal compartment of the small filter medium bellows (6a) is completely closed and in the region of the second end face the front sides of the two bellows of filter medium (6a) , 6b) are sealingly interconnected.
[9]
Filter insert (1) according to any one of claims 1 to 6, characterized in that the filter element (6) is a compact element for filtering air, having a plurality of channels alternately closed in the region of the terminal faces or in a rectangular shape, folded in the shape of a zigzag, and the terminal faces of the filtering element are formed by the folding edges.
[10]
10. Filtering device comprising a filter insert (1) as defined in any one of the preceding claims, and a filter housing with an inlet region and a discharge region for medium to be filtered, characterized by the fact that the region inlet or the flow region presents a
Petition 870190004050, of 14/01/2019, p. 27/33
4/5 collection region with a sealing face (23) in an annular shape, corresponding to the sealing of the filter insert (1).
[11]
11. Filtering device, according to claim
10, characterized by the fact that a mounting opening (18) is provided on one side of the housing through which the filter insert (1) can be inserted in the direction of assembly, perpendicularly to the main flow direction within the housing, the mounting opening (18) can be closed by a cover (19), and in the cover (19) there are two fastening swords (21) that protrude into the filter housing, the first fastening sword being extends along the first side face of the filter insert (1) and the second fastening sword extends along the second side face of the filter insert (1), with the fastening swords (21) having fastening faces (22) that are aligned in the direction in the recoil region, the fixing faces (22) having a height profile, and the height profiles of the fixing faces (22) correspond with the corresponding height profile of the containment faces act (10), arranged in the table (4), forming a counterform in relation to these units, and with the cover (19) mounted and with the fixing swords (21) fully projected inside the filter housing, the swords fasteners (22) apply a force on the corresponding contact face of the filter insert (1), such that the seal (5) of the filter insert (1) is pressed against the sealing face (23) of the housing, with the filter insert (1) is fixed inside the housing.
[12]
12. Filtering device, according to claim
11, characterized by the fact that on the walls of the housing are provided two protuberances (20) that have flat support faces (24), directed in the direction of the fitting region, on which the flat support faces (24) of the swords rest fasteners (21),
Petition 870190004050, of 14/01/2019, p. 28/33
5/5 opposite to the fixing faces.
[13]
Filtering device according to any one of claims 10 to 12, characterized in that at least one rib (29) is provided in the filter housing, which is arranged on a side wall of the filter housing and extends from from the bottom of the filter housing towards the opening of the assembly, the rib (29) being so shaped that in the assembly of the filter insert (1) it plunges into the groove (28) of the filter insert (1).
[14]
14. Filtering device according to any of claims 10 to 13, characterized by the fact that the filter housing has, on the inside, on the two side walls, a ramp contour whose ramp faces are directed towards the region the distance from the ramp face, in relation to the recoil face, decreases in the direction of the assembly, and the extension of the terminal disk in the assembly of the filter insert (1) can be conducted from the face of the ramp in the direction of the collection region, with which the filter insert (1) will be positioned in such a way that the rib (29) of the housing can plunge into the groove of the filter insert (1).
[15]
Filtering device according to any one of claims 10 to 14, characterized in that the filter housing within the sealing face has an opening, this opening being so shaped that it involves the partial annular rib (13) or totally surrounding, in the terminal disk of the filter insert (1), when the filter insert (1) is fully inserted in the direction of assembly, inside the filter housing.

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法律状态:
2018-04-10| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2018-11-27| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|Free format text: O DEPOSITANTE DEVE RESPONDER A EXIGENCIA FORMULADA NESTE PARECER POR MEIO DO SERVICO DE CODIGO 206 EM ATE 60 (SESSENTA) DIAS, A PARTIR DA DATA DE PUBLICACAO NA RPI, SOB PENA DO ARQUIVAMENTO DO PEDIDO, DE ACORDO COM O ART. 34 DA LPI.PUBLIQUE-SE A EXIGENCIA (6.20). |

2019-05-14| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2019-06-11| 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 06/10/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/10/2010, OBSERVADAS AS CONDICOES LEGAIS |

优先权:

申请号 | 申请日 | 专利标题

DE102009049170.8|2009-10-12|

DE102009049170|2009-10-12|

PCT/EP2010/064930|WO2011045220A2|2009-10-12|2010-10-06|Filter insert and filter device|

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