WO2023227555A1

WO2023227555A1 - Air intake module and corresponding heating, ventilation and/or air-conditioning device

Info

Publication number: WO2023227555A1
Application number: PCT/EP2023/063697
Authority: WO
Inventors: Philippe Pierres; Nestor-Ismael VARELA; Fabrice Ailloud; Thierry Barbier
Original assignee: Valeo Systemes Thermiques
Priority date: 2022-05-24
Filing date: 2023-05-22
Publication date: 2023-11-30
Also published as: FR3136051A1

Abstract

The invention relates to an air intake module (2), in particular for a motor vehicle heating, ventilation and/or air-conditioning device (1), the air intake module (2) including: an air supply duct (4) having an air intake (7) delimited at least by a front wall (41); a blower (11); and at least two filters (8) arranged downstream of the air intake (7) and next to each other in the air supply duct (4) while leading into a common chamber (20) downstream of the air supply duct (4), the air supply duct (4) comprising at least one partition (42) extending from the front wall (41) and at least in part between the two filters (8).

Description

AIR INLET MODULE AND CORRESPONDING HEATING, VENTILATION AND/OR AIR CONDITIONING DEVICE

[0001] The invention relates to an air inlet module for a heating, ventilation and/or air conditioning device of a vehicle, particularly an automobile. The invention also relates to the heating, ventilation and/or air conditioning device for a vehicle, in particular an automobile, comprising such an air inlet module.

[0002] A motor vehicle is commonly equipped with a heating, ventilation and/or air conditioning device to regulate the aerothermal parameters of an air flow intended to be distributed towards the interior of a passenger compartment of the vehicle. Such a device, also known by the English acronym HVAC (for Heating, Ventilation and Air-Conditioning), generally includes an air inlet module or air inlet box which can be supplied with air. It may be a flow of air from outside the vehicle (also called fresh air), taken from the passenger compartment of the vehicle, or a flow of recycling air, that is to say taken inside the vehicle cabin. According to a known solution, the air inlet module comprises an air supply duct making it possible to guide the flow of air entering inside the air inlet module.

[0003] In known manner, a blower is used to circulate the air flow or a mixture of external and recycled air flows from an air inlet to an air outlet.

[0004] The air inlet module generally houses one or more heat treatment means, such as heat exchangers, to heat and/or cool the air flow prior to its distribution inside the passenger compartment. . For example, the heat treatment means may include an evaporator which is intended to cool and dehumidify the air flow passing through it, as well as a radiator, possibly associated with an additional radiator, which is intended to heat the flow. of air passing through it.

[0005] The air flow entering inside the air inlet module and possibly heat-treated can be distributed to one or more specific zones or regions of the vehicle passenger compartment, for example the front and rear zones. , and/or left and right in the passenger compartment, by means of one or more air distribution ducts opening into a respective zone of the passenger compartment. [0006] Furthermore, air quality is also a very worrying subject. With this in mind, a filter is generally arranged in the air inlet module, upstream of a chamber housing the heat treatment means(s), so as to filter the flow of exterior and/or recycling air. before possibly being thermally conditioned and distributed inside the passenger compartment.

[0007] However, depending on the size of the air inlet module and the configuration of the air supply duct, the filter can be sized to cover a significant area in the air inlet module. The filter can in particular be very large, or very long, which can complicate its assembly within the air inlet module.

[0008] Furthermore, the structure of the air inlet module may not be sufficiently rigid to maintain the geometry of the air inlet module.

[0009] Furthermore, there are numerous constraints in terms of volume and weight for heating, ventilation and/or air conditioning devices. In fact, the heating, ventilation and/or air conditioning devices are generally arranged under the dashboard of the motor vehicle, this involves raising the dashboards, thus limiting the driver's visibility. More precisely, they are installed in the passenger compartment, between a vehicle dashboard and a wall, commonly called an apron or firewall, separating the passenger compartment from the vehicle's engine compartment.

[0010] However, for the comfort of the occupants of the vehicle, it is desirable that the interior space of the passenger compartment be as large as possible. In other words, to maintain an acceptable level of comfort, it is desirable to reduce the size of certain components, for example the dashboard. Such a dimensional reduction then makes the positioning of a heating, ventilation and/or air conditioning device as known from the prior art complicated.

[0011] The present invention aims to overcome one or more drawbacks of the prior art by proposing an air inlet module with an architecture facilitating the assembly of the filter while stiffening the structure of the air inlet module .

[0012] The invention also aims to optimize the size of the air inlet module and a corresponding heating, ventilation and/or air conditioning device as well as the installation of such a device in a vehicle. [0013] To this end, the subject of the invention is an air inlet module in particular for a heating, ventilation and/or air conditioning device for a motor vehicle, the air inlet module comprising: a duct 'air supply having an air inlet configured for the admission of an air flow into the air inlet module and delimited at least by a front wall, a blower configured to circulate the flow air, and at least two filters arranged downstream of the air inlet according to the direction of flow of the air flow.

[0014] According to the invention, the filters are arranged one next to the other in the air supply duct opening into a common chamber downstream of the air supply duct in the direction of flow of air flow.

[0015] The air supply duct comprises at least one partition extending from the front wall and at least partly between the two filters.

[0016] Thus, the two filters are smaller than a single filter according to the prior art, and they can be assembled, in a simple manner, one next to the other. In addition, the partition provides a reinforcing function and makes it possible to stiffen the structure of the air inlet module.

[0017] The air inlet module may also include one or more of the following characteristics described below, taken separately or in combination.

[0018] The filters are for example arranged one next to the other along a transverse axis of the air inlet module.

[0019] The transverse axis of the air inlet module can correspond to the right/left transverse axis of the vehicle, in the direction of the width of the vehicle, in the mounted state of the air inlet module in the vehicle.

[0020] The partition can extend perpendicular to the front wall between the filters.

[0021] The filters can be arranged symmetrically in relation to the partition.

The partition is for example continuous between the two filters.

The partition can be made from a solid material. [0024] Alternatively, the partition can be discontinuous. It can be made from an openwork material.

According to one embodiment, the air inlet is arranged on a lower wall or an upper wall of the air inlet module.

The upper wall and the lower wall are opposite along an axis of the air inlet module. In the mounted state of the air inlet module in the vehicle, said axis of the air inlet module can coincide with the vertical axis of the vehicle.

The upper wall is above and the lower wall below the air inlet module in the state mounted in the vehicle.

The air inlet module may include at least one access hatch to at least one filter.

The front wall can extend from the air inlet to the upper or lower wall of the air inlet module opposite the air inlet.

The partition can extend from the upper or lower wall of the air inlet module to one end of the filters opposite said wall.

[0031] The end of the filters can be opposite said wall along the axis of the air inlet module, configured to coincide with the vertical axis of the vehicle in the mounted state of the air inlet module in the vehicle.

[0032] At least one of the filters may have a curved arc shape.

[0033] The filters are preferably identical.

[0034] The two filters can be curved.

The curved shape of the filters makes it possible to increase the passage section of the air flow downstream of the filter compared to flat filters.

The partition may have a curved shape in the form of an arc. The curved shape can be complementary to that of the filter.

The front wall may have a curved shape. The filters can be curved in a complementary way.

The filters are for example pleated media. [0039] Each filter can have two opposite main faces.

The opposite faces are for example connected by two opposite end faces and two opposite side faces.

The two main faces can be arranged in an air flow path.

The access hatch to at least one filter can be arranged facing one of the main faces of the filter.

The air inlet module may comprise at least one air intake flap arranged upstream of the blower according to the direction of flow of the air flow.

The filters can be arranged upstream of the air intake flap depending on the direction of flow of the air flow.

[0045] The filters and the air intake flap can be configured to be arranged, in the mounted state of the air inlet module in the vehicle, on the same side of an apron of the vehicle separating an engine compartment of a passenger compartment.

The air inlet may be an outside air inlet configured for the admission of a flow of air from outside the vehicle, the filters being mounted so as to filter the flow of outside air.

The air inlet module may include a recycling air inlet for an air flow coming from the passenger compartment.

The air intake flap is for example mounted movable in rotation so as to selectively and at least partially close the outside air inlet and the additional air inlet.

The air intake flap is for example of the drum type.

[0050] The air intake flap can be arranged in the chamber downstream of the air supply duct.

[0051] The invention also relates to a heating, ventilation and/or air conditioning device, for a vehicle, in particular an automobile, comprising an air inlet module as defined above.

[0052] The air inlet module can form a first part of a housing of said device. [0053] The housing can also define a second so-called distribution part. The second part of the housing may have at least one air distribution duct ending in an air outlet configured to open into at least one area of the vehicle passenger compartment.

The first part and the second part of the housing are for example configured to be arranged on either side of the apron, in the mounted state of the housing in the vehicle.

The housing can be configured to be mounted in one piece in the vehicle and only from a first side of the apron. The second portion of the housing may be configured to pass through the opening in the apron so as to project from a second side of the apron opposite the first side.

[0056] The invention also relates to a vehicle, particularly an automobile, comprising such a device.

[0057] The vehicle includes in particular an engine compartment and a passenger compartment. The engine compartment and the passenger compartment are separated by an apron. The filters and the air intake flap can be positioned on the same side of the apron, in the engine compartment or in the passenger compartment.

Other advantages and characteristics of the invention will appear more clearly on reading the following description given by way of illustrative and non-limiting example, and the appended drawings among which:

[0059] [Fig. the] is a perspective view of an exemplary embodiment of a heating, ventilation and/or air conditioning device according to the invention.

[0060] [Fig. 1b] is another perspective view of the heating, ventilation and/or air conditioning device from which part of a housing is removed.

[0061] [Fig. 2] is a cross-sectional view of the heating, ventilation and/or air conditioning device of Figure la or 1b.

[0062] [Fig. 3] is another cross-sectional view of the heating, ventilation and/or air conditioning device of Figure la or 1b.

[0063] [Fig. 4] is a perspective view of filters arranged in the device of Figures la to 3.

[0064] In these figures, identical elements bear the same reference numbers. [0065] The following achievements are examples. Although the description refers to one or more embodiments, this does not necessarily mean that each reference relates to the same embodiment, or that the features apply only to a single embodiment. Single features of different embodiments may also be combined or interchanged to provide other embodiments.

[0066] In the description, certain elements can be indexed, for example first element or second element. In this case, it is a simple indexing to differentiate and name close but not identical elements. This indexing does not imply a priority of one element over another and such denominations can easily be interchanged without departing from the scope of the present invention. This indexing does not imply an order in time either.

[0067] Furthermore, in the description, the terms upstream and downstream are defined with reference to the flow of an air flow circulating within a heating, ventilation and/or air conditioning device.

[0068] With reference to Figures 1a to 3, the invention relates to a heating, ventilation and/or air conditioning device 1, hereinafter referred to as device 1. The invention relates in particular to an air inlet module 2 of such a device 1.

The device 1 is intended to be installed in a vehicle, particularly an automobile, not shown in the figures. The vehicle comprises an engine compartment M and a passenger compartment H. The engine compartment M and a passenger compartment H are separated by a panel commonly called apron 3. The engine compartment M is for example on a first side of the apron 3 and the passenger compartment H on a second side of the apron 3, opposite the first side. The apron 3 comprises an opening 31. This opening 31 is for example intended to be crossed by a part of the device 1, in particular for distributing air to the passenger compartment H. The invention also relates to such a vehicle comprising the device 1.

[0070] An XYZ trihedron is shown schematically in Figures la and 1b. The axis X is a longitudinal axis of the air inlet module 2 and more generally of the device 1. This axis of the vehicle, when the device 1 is mounted within the vehicle. The Y axis is a transverse axis. This Y axis can correspond to the right/left transverse axis of the vehicle, that is to say according to the width of the vehicle, when the device 1 is mounted within the vehicle. The Z axis can coincide with the top/bottom vertical axis of the vehicle, that is to say according to the height of the vehicle, when the device 1 is mounted within the vehicle. The X, Y, Z axes are perpendicular to each other.

[0071] The air inlet module 2 comprises for example an air supply duct 4 having at least one air inlet configured for the admission of an air flow into the inlet module air 2.

[0072] The air supply conduit 4 is delimited at least by a front wall 4L. The front wall 41 is for example located at the front of the air inlet module 2 along the longitudinal axis the device 1 is mounted within the vehicle.

[0073] In the example illustrated, the front wall 41 has a curved or convex shape. This shape can, for example, be designed to adapt to the environment available in the vehicle.

[0074] According to a particular embodiment shown in Figures 2 and 3, the air inlet module 2 can be intended to be arranged on one side of the apron 3, in particular on the engine compartment side M, at the installed state of the air inlet module 2 in the vehicle.

[0075] The device 1 comprises a housing 5. This housing 5 includes in particular the air inlet module 2.

[0076] The housing 5 can be in one piece (in a single piece), or comprise several modules assembled together.

[0077] During installation within the vehicle, the housing 5 can, according to one embodiment, be mounted in one piece in the vehicle. In particular, the housing 5 can be inserted from a first side of the apron 3, in particular on the engine compartment side M.

[0078] The walls of the housing 5 delimit an internal volume. This internal volume comprises at least one flow channel for an air flow intended to be distributed in the passenger compartment H. The flow channel makes it possible to convey an air flow from at least one air inlet 7, 7' of the air inlet module 2 allowing the admission of the air flow into the housing 5 up to at least one air outlet 9a, 9b opening into the passenger compartment H when the device 1 is mounted in the vehicle . [0079] The air inlet 7, 7' (Figures 1a to 3) is formed by an opening in the air inlet module 2. It may be an exterior air inlet 7. More precisely, the air supply duct 4 can have such an exterior air inlet 7.

[0080] Alternatively or in addition, the air inlet module 2 may include at least one opening defining a so-called recycling air inlet 7', for a flow of air coming from the passenger compartment. Recycling air inlet 7' can be an additional inlet, in addition to exterior air inlet 7.

[0081] The air inlet module 2 advantageously comprises a flap, called the air intake flap 6. The air intake flap 6 can be arranged between the two openings defining the two air inlets. 7, 7', to at least partially close each.

[0082] For this, the air intake flap 6 can be mounted to move in rotation around an axis. The axis of rotation of the air intake flap 6 is for example horizontal, in the mounted state of the air inlet module 2 in the vehicle. H can for example be a drum type shutter. Other variants of air intake flap and rotation axis are possible.

[0083] As shown in the particular example of Figures la to 3, an air inlet, such as the exterior air inlet 7, can be provided in a lower or lower region I of the inlet module of air 2. More precisely, the air inlet, such as the exterior air inlet 7, can be located on a lower wall 2i of the air inlet module 2.

[0084] Alternatively, the air inlet, such as the exterior air inlet 7, can be located at an upper or upper region II of the air inlet module 2. More precisely, it can be provided on an upper wall 2s of the air inlet module 2.

The lower region I and the upper region II are defined relative to the axis Z of the device 1, corresponding for example to the vertical axis of the vehicle in the mounted state of the air inlet module 2 in the vehicle.

[0086] The upper wall 2s is above the air inlet module 2 while the lower wall 2i is below the air inlet module 2, with reference to the orientation of the elements on the Figures 1a to 3, which corresponds to the orientation of the air inlet module 2 in the mounted state in the vehicle. [0087] The upper wall 2s and the lower wall 2i are opposite along the Z axis of the air inlet module 2. This Z axis can coincide in particular with the vertical axis of the vehicle, when the inlet module d Air 2 is installed in the vehicle.

[0088] The air inlet, such as the exterior air inlet 7, can be provided on the lower wall 2i below the air inlet module 2, with reference to the orientation of the elements to be the installed state of the module in the vehicle. This configuration is for example implemented when the air inlet module 2 is intended to be arranged on the engine compartment M side of the vehicle.

[0089] According to a variant not shown, the air inlet, such as the outside air inlet, can be provided on the upper wall above the air inlet module, with reference to the orientation elements in the installed state of the module in the vehicle. This configuration is for example implemented when the air inlet module 2 is intended to be arranged on the passenger compartment side H of the vehicle.

[0090] The front wall 41 of the air supply conduit 4 can extend from the air inlet, such as the exterior air inlet 7, to the upper wall 2s or lower wall 2i of the air inlet module 2 opposite this air inlet, in particular along the Z axis of the air inlet module 2. In the example illustrated, the front wall 41 extends from the inlet d 'exterior air 7 up to the upper wall 2s.

[0091] The recycling air inlet 7' is for example located at the upper or upper region II of the air inlet module 2.

[0092] In order to allow the recycling air to access the recycling air inlet 7', the apron 3 may further comprise a second opening opposite this recycling air inlet 7. In this case, the opening possibly intended to be crossed by a part of the device 1 is called first opening 31.

[0093] Filters can be arranged in the air inlet module 2, downstream of an air inlet, so as to be crossed by the air flow. According to the embodiment described, two filters 8 are arranged downstream of the exterior air inlet 7. Of course, more than two filters 8 can be considered.

[0094] In addition, the filters 8 are arranged upstream of the air intake flap 6 according to the direction of flow of the air flow. The filters 8 are for example positioned in front of the air intake flap 6 along the longitudinal axis X of the air inlet module 2. [0095] In the example illustrated, the filters 8 are therefore mounted between the exterior air inlet 7 and the air intake flap 6 so as to filter the exterior air flow.

[0096] According to a particular example, the filters 8 and the air intake flap 6 can be intended to be arranged on the same side of the apron 3 in the assembled state of the air inlet module 2 in the vehicle. They can for example be arranged on the engine compartment side M, as in the example illustrated. Alternatively, they can be arranged on the passenger compartment H side.

[0097] More precisely, the filters 8 are arranged one next to the other in the air supply duct 4. They are side by side along the transverse axis Y of the air inlet module 2. This makes it possible to have, for example, two filters 8, smaller and therefore easier to assemble, than a single large filter over the same area as the two filters 8 side by side.

[0098] The filters 8 all open into a common chamber 20 of the air inlet module 2, which is located downstream of the air supply duct 4 according to the direction of flow of the air flow. This chamber 20 is subsequently named the air intake chamber. The air intake flap 6 can be housed in the air intake chamber 20.

[0099] The filters 8 are therefore crossed by the air flow coming from a single air inlet, such as the exterior air inlet 7 which is common to the two filters 8, one next to the the other, and the air flow having passed through the filters 8 is guided towards a single outlet common to the two filters 8, which is the air intake chamber 20.

[0100] Each filter 8 can extend for example vertically or substantially vertically, with reference to the orientation of the elements in FIGS. 1a to 3, which generally correspond to the orientation when the air inlet module 2 is mounted in the vehicle.

[0101] Each filter 8 can extend from the upper region II of the air inlet module 2 downwards or a lower region along the Z axis of the air inlet module 2. As a variant , each filter 8 can extend from the lower region I of the air inlet module 2 upwards or a higher region along the Z axis of the air inlet module 2.

[0102] Furthermore, each filter 8 comprises at least one filter media. This may be pleated media. The filters 8 may include a frame that is more rigid than the pleated media placed around the latter. [0103] The filters 8 are preferably identical.

[0104] According to an example not shown, the filters 8 can be planar. Flat filters can be advantageous in terms of ease of assembly and manufacturing costs.

[0105] Alternatively, at least one of the filters 8, preferably each filter 8, may have a curved shape in the form of an arc or a general accordion shape.

[0106] As described previously, the front wall 41 can have a curved shape, in particular to respect the environment available in the vehicle. The filters 8 can be curved in a complementary manner. The curved filters 8 allow better adaptation to the walls of the housing 5, in particular the front wall 41, making it easier to integrate the filters 8 into the housing 5.

[0107] In addition, each curved filter 8 makes it possible to increase the downstream passage section of the air flow compared to a flat filter, which makes it possible to improve aeraulic performance.

[0108] With reference to Figure 4, each filter 8 has for example two opposite main faces 8A. These main faces 8A are for example connected by two opposite end faces 8B and two opposite side faces 8C. According to one example, the faces 8A, 8B, 8C of the filter 8 can be of rectangular section.

[0109] The two main faces 8 A are for example larger than the other faces 8B, 8C. They are arranged in an air flow path schematized by the arrows F in Figure 4.

[0110] Referring again to Figures 1a to 3, at least one access hatch 10 can be provided for the filter(s) 8, in order to be able to access and replace the filter(s) 8.

[0111] According to an exemplary embodiment, the access hatch 10 is arranged facing one of the main faces 8A of a filter 8 or of the two filters 8. Thus access to the filters 8 can be done through a of their large faces in the path of the air flow and not by a slice such as a small end face of the filter 8.

[0112] The access hatch 10 can be arranged on the front wall 41, at the front along the longitudinal axis air 2 when installed in the vehicle.

[0113] According to another example, an end face 8B of each filter 8 can be arranged facing the access hatch 10. The access hatch 10 is for example arranged on the upper wall 2s or the lower wall 2i of the air inlet module 2. More precisely, the access hatch 10 can be arranged on the wall opposite the wall having the air inlet, such as the inlet of outside air 7. The filters 8 can thus be accessible from above or below the air inlet module 2 when mounted in the vehicle.

[0114] Furthermore, the filters 8 side by side can be separated at least in part by at least one partition of the housing 5. This is in particular a partition 42 of the air supply duct 4. extending from the front wall 41 and at least partly between the two filters 8.

[0115] In other words, the partition 42 can join the part of the housing 5 defining the housings of the filters 8 to the front wall 41 delimiting the air supply duct 4. The front wall 41 is arranged opposite the housings for the filters 8.

[0116] The partition 42 also provides a stiffening and reinforcing function, making it possible to better structure the housing 5 and make it more robust.

[0117] According to the particular example described with two filters 8 side by side, the partition 42 can be central in the air supply duct 4, along the transverse axis Y of the air inlet module 2.

[0118] This partition 42 can be continuous. It can be made from a solid material. Alternatively, the partition 42 can be discontinuous. It can be made from a perforated material, it may have holes.

[0119] The partition 42 can extend perpendicularly or substantially perpendicular to the front wall 41 between the filters 8. It can extend from the front wall 41 along the longitudinal axis X of the air inlet module 2 to come between the two filters 8.

[0120] Particularly when the front wall 41 and/or the filters 8 are curved, the partition 42 can have a complementary curved shape. The partition 42 may have a curvature which advantageously follows the curvature of the front wall 41. Alternatively or in addition, the partition 42 may have a curvature, in particular another curvature, advantageously following the curvature of the filters 8.

[0121] According to a particular embodiment, the partition 42 between the filters 8 can extend from the upper wall 2s or alternatively the lower wall 2i to one end of the filters 8 opposite said wall 2s, respectively 2i , along the Z axis of air inlet module 2, configured to be vertical in the mounted state of the air inlet module in the vehicle. The partition 42 can be uniform, identical in height along the Z axis of the air inlet module, which can coincide with the vertical axis of the vehicle.

[0122] The filters 8 are for example arranged symmetrically with respect to the partition 42.

[0123] Furthermore, the air flow is introduced into the air inlet module 2 and directed by means of a blower 11. The blower 11 can be received in the air inlet module 2. The air intake flap 6 is arranged upstream of the blower 11 according to the direction of flow of the air flow. Furthermore, according to a particular example, the blower 11 can be arranged below the air intake flap 6, along the Z axis of the air inlet module 2.

[0124] The blower 11 comprises in particular a motor and a wheel, such as a paddle wheel or blade. The blower 11 is mounted to rotate around an axis. This axis of rotation of the blower can be vertical or, alternatively, horizontal, in the mounted state of the air inlet module 2 in the vehicle.

[0125] One or more means of heat treatment of the air flow, such as heat exchangers 13, 15 can be housed in the housing 5, and in particular in the air inlet module 2. In the example illustrated two heat exchangers 13, 15 are shown. This number is not limiting. A first heat exchanger 13 is for example an evaporator, intended to cool and dehumidify the flow of air circulating within the housing 5. The housing 5 may include a volute corresponding to a part of the spiral housing, making it possible to convey the flow of air. air entering the housing up to the first heat exchanger 13.

[0126] A second heat exchanger 15 is for example a radiator, intended to heat at least part of the air flow circulating within the housing 5. The second heat exchanger 15 is arranged downstream of the first heat exchanger 13, in relation to to the flow of air flow. The second heat exchanger 15 can optionally be coupled to another heat exchanger, such as an electric radiator for example.

[0127] The flow of air cooled by the first heat exchanger 13 can be guided within the flow channel towards the second heat exchanger 15. To guarantee that the flow of cold air, coming from the first heat exchanger 13, is not thermally contaminated by the second heat exchanger 15, the device 1 can comprise a bypass channel 17 of the second heat exchanger 15. Thus, the flow of cold air, having passed through the first heat exchanger 13, circulates either through the second heat exchanger 15 to be reheated, or bypasses the second heat exchanger 15 via the channel bypass 17 in order to maintain its low temperature.

[0128] The device 1 may include one or more mixing flaps 19 making it possible to regulate the proportion of cold air flow passing through the second heat exchanger 15 and the proportion of cold air flow passing through the bypass channel 17.

[0129] The mixing flaps 19 can be of different types. For example, these may be flag type shutters, corresponding to a door with a rotation shaft arranged at one of the ends of the door, or sliding type also known under the English name "sliding door". corresponding to a sliding door on which at least one rack is arranged, or of the butterfly type, corresponding to a shutter with a rotation shaft and one or two blades arranged on either side of the rotation shaft, as in the example illustrated. The mixing flaps 19 as illustrated are arranged between the first heat exchanger 13 and the second heat exchanger 15.

[0130] The blower 11 makes it possible to route the air flow from at least one air inlet 7, 7' to at least one air outlet 9a, 9b, in particular after thermally conditioning this air flow. air through the heat exchanger(s) 13, 15.

[0131] The air inlet module 2 may also include a chamber 21 intended to be passed through by the air flow, which is therefore in fluid communication with the air inlet, such as the air inlet. outside air 7 and/or the recycling air inlet 7'. Such a chamber 21 is located downstream of the heat exchanger(s) 13, 15. It is for example a mixing chamber 21. In operation of the device 1, the hot and/or cold air flows leaving the heat exchangers 13, 15 can be guided towards the chamber 21 to be mixed there before distribution in the passenger compartment at a set temperature.

[0132] The device 1 may further comprise at least one air distribution conduit 23 to the passenger compartment H. In the example illustrated, four distribution conduits 23 are shown. Of course, this number is not limiting, more or fewer distribution conduits 23 can be provided. [0133] According to an example of a particular arrangement, shown in Figures 1a to 3, at least one distribution conduit 23 can be arranged in the upper or upper region II of the housing 5. The distribution conduit(s) 23 are in this example arranged at the region of the housing 5 opposite the exterior air inlet 7.

[0134] Furthermore, the distribution conduit(s) 23 are arranged downstream of the chamber 21 according to the flow of the air flow.

[0135] The distribution conduit(s) 23 each end in a respective air outlet 9a, 9b. The air outlets 9a, 9b open into at least one area of the vehicle passenger compartment when the device 1 is mounted in the vehicle. In the example illustrated, at least one air outlet 9a called ventilation and at least one other air outlet 9b called feet are provided. The ventilation air outlet(s) 9a are intended to open into the passenger compartment, for example substantially at the level of the busts of the passengers of the vehicle and/or their heads. The air outlet(s) 9b feet are intended to open into the passenger compartment at the level of the feet of the passengers of the vehicle. These may be nozzles, such as a defroster nozzle for defogging the windshield, a side/central ventilation nozzle for cooling/heating vehicle passengers, a foot nozzle for cooling/warming the feet passengers of the vehicle. In this case, the distribution conduit(s) 23 extend from the chamber 21 to a respective nozzle opening into the passenger compartment.

[0136] A distribution or distribution flap 25 can be arranged in the distribution conduit(s) 23. More precisely, a distribution or distribution flap 25 can be arranged at the entrance to the distribution conduit(s) 23. Each distribution flap 25 is configured to move from a position where it completely closes the inlet of the distribution duct 23 corresponding to a position where it allows the air flow to circulate entirely within the distribution duct 23. Each flap 25 distribution is able to adopt any intermediate position.

[0137] The distribution flaps 25 can be of different types. For example, one or more distribution flaps 25 can be of the flag type, or of the sliding type, or even of the butterfly type, as in the example illustrated.

[0138] To control the distribution flaps 25, at least one drive or kinematic assembly is provided. A training set can be associated with each distribution flap 25 to cause it to move so as to adjust the distribution of the air flow through the corresponding air outlet 9a, 9b. The drive assembly, the kinematics, can be mainly on the first side of the apron 3, in particular on the engine compartment side M.

[0139] In particular, each drive assembly comprises at least one actuator 27.

[0140] The actuators 27 are for example arranged on the first side of the apron 3, in particular on the engine compartment M side, in the mounted state of the device 1 in the vehicle.

[0141] With reference to Figures 1b and 3, the drive assembly may further comprise at least one connecting member 29 mechanically connected to the distribution flap 25 and to the corresponding actuator 27. It may for example be a plate, connecting rods, rods, to control the distribution flap 25. The connecting member(s) 29 are in the example illustrated, arranged partly on the second side of the apron 3, in particular on the passenger compartment side H. Another part of the connecting members 29 can extend from the first side of the apron 3, in particular on the compartment M side.

[0142] According to a particular embodiment, the housing 5 can define a first part and a second part which can be arranged on either side of the apron 3 in the mounted state of the housing 5 in the vehicle. These two parts can form a unitary block mounted in one piece in the vehicle, for example via the first side of the apron 3, such as the engine compartment.

[0143] Furthermore, when installing the housing 5 in the vehicle, from the first side of the apron 3, the second part of the housing 5 can pass through the opening 31 (or first opening 31) in the apron 3. In this way, the second part can project from the second side of the apron 3, for example on the passenger compartment side H. the air inlet module 2 for its part, can be arranged on the first side of the apron 3, for example on the side engine compartment M.

[0144] The air inlet module 2 can form the first part.

[0145] The second part can be a so-called distribution part comprising the air distribution conduit(s) 23. It can also include distribution flaps 25. [0146] Thus, several filters 8 are mounted side by side in a simple manner in the air inlet module 2, instead of a single large filter. The filters 8 can therefore be smaller and be assembled more easily than the single large filter. In addition, they can be separated at least in part by the partition 42 also providing a function of reinforcing the structure of the air inlet module 2.

[0147] The filters 8 and the intake flap 6 downstream of the filters 8 can also be positioned together either on one side or on the other side of the apron 3.

[0148] When they are curved, the filters 8 make it possible in particular to adapt to the configuration of the housing 5 of the device 1. [0149] In addition, access to the filters 8 can be done in a simple manner via the hatch access 10, in particular from the front of the air inlet module 2.

[0150] Finally, the exterior air inlet 7 located on the top or bottom of the air inlet module 2, makes it possible to adapt to the environment available in the vehicle. The top and bottom of the air inlet module 2 are defined in relation to the Z axis, which advantageously coincides with the vertical axis of the vehicle, in the mounted state in the vehicle.

Claims

[Claim 1] Air inlet module (2) in particular for a device (1) for heating, ventilation and/or air conditioning of a motor vehicle, the air inlet module (2) comprising: an air duct air supply (4) having an air inlet (7) configured for admitting an air flow into the air inlet module (2) and delimited at least by a front wall (41 ), a blower (11) configured to circulate the air flow, and at least two filters (8) arranged downstream of the air inlet (7) according to the direction of flow of the air flow , characterized in that the filters (8) are arranged one next to the other in the air supply duct (4) opening into a common chamber (20) downstream of the air supply duct air (4) according to the direction of flow of the air flow, and in that the air supply duct (4) comprises at least one partition (42) extending from the front wall (41) and at least partly between the two filters (8).

[Claim 2] Air inlet module (2) according to the preceding claim, in which the filters (8) are arranged symmetrically with respect to the partition (42).

[Claim 3] Air inlet module (2) according to one of the preceding claims, in which the air inlet (7) is arranged on a lower wall (2i) or an upper wall (2s) of the air inlet module (2).

[Claim 4] Air inlet module (2) according to one of the preceding claims, in which the partition (42) extends from the upper (2s) or lower (2i) wall of the inlet module d air (2) to one end of the filters (8) opposite said wall (2s, 2i).

[Claim 5] Air inlet module (2) according to one of the preceding claims, in which each filter (8) comprises two opposite main faces (8A) arranged in a path of the air flow (F), and said module (2) comprises at least one access hatch (10) to at least one filter (8), arranged opposite one of the main faces (8 A) of the filter (8).

[Claim 6] Air inlet module (2) according to one of the preceding claims, in which at least one of the filters (8) has a curved arcuate shape and/or the partition (42) has a curved arc shape.

[Claim 7] Air inlet module (2) according to one of the preceding claims, in which the filters (8) have pleated media.

[Claim 8] Air inlet module (2) according to one of the preceding claims, comprising at least one air intake flap (6) arranged upstream of the blower (11) in the direction of flow of the air flow, and the filters (8) are arranged upstream of the air intake flap (6) according to the direction of flow of the air flow.

[Claim 9] Air inlet module (2) according to one of the preceding claims, in which the air inlet is an exterior air inlet (7) configured for the admission of a flow of air outside the vehicle, the filters (8) being mounted so as to filter the flow of outside air.

[Claim 10] Device (1) for heating, ventilation and/or air conditioning, for a vehicle, in particular an automobile, characterized in that it comprises an air inlet module (2) according to one of the preceding claims.