Vehicle fitting including a support for an electric traction and / or propulsion motor and a compressor.

Abstract

Vehicle arrangement comprising a support for an electric traction and / or propulsion motor and a compressor. The invention relates to an arrangement (6) for a vehicle, in particular for a motor vehicle, comprising a body (2), the body (2) comprising a side member (4), in particular a front side member, a traction and / or propulsion motor (5), in particular an electric motor (5), an air conditioning compressor (3) comprising an electric motor driving the compressor (3), a support (10) for the motor (5) and the compressor (3), the support (10) being fixed to the side member (4), the support (10) comprising a first means for filtering vibrations emanating from the motor (5) and a second means for filtering vibrations emanating from the compressor (3). Abstract figure: Fig. 2

Description

Title of the invention: Vehicle arrangement comprising a support for an electric traction and / or propulsion motor and a compressor. Technical field of the invention

[0001] The invention relates to an arrangement for a vehicle comprising a body including a side member, a traction and / or propulsion engine, an air conditioning compressor, and a support bracket for the engine and compressor being attached to the side member. The invention further relates to a vehicle comprising such an arrangement. Prior art

[0002] An electric vehicle, particularly a motor vehicle, generally includes a filtering device between the body and the electric traction and / or propulsion motor to limit vibration transmission. This filtering device also improves acoustic comfort within the vehicle. Such a vehicle generally includes a compressor. This compressor is generally integrated into an air conditioning system to cool the passenger compartment of such a vehicle when necessary. Such a compressor generally includes its own electric motor. Therefore, such a compressor generates vibrations. Thus, such an air conditioning compressor is generally mounted on the electric traction and / or propulsion motor to take advantage of the motor's filtering of vibrations relative to the body.

[0003] However, due to space constraints within a vehicle's engine compartment, it is sometimes very difficult or even impossible to install such an air conditioning compressor, particularly in the case of a front-mounted engine compartment and an electric traction and / or propulsion motor. Indeed, the available space around the electric traction and / or propulsion motor is too limited. Presentation of the invention

[0004] The object of the invention is to provide an arrangement that overcomes the above drawbacks. In particular, the arrangement makes it possible to fix an air conditioning compressor to a mounting bracket for an electric traction and / or propulsion motor in a simple, reliable and particularly economical manner. Summary of the invention

[0005] To achieve this objective, the invention relates to an arrangement for a vehicle, in particular for a motor vehicle, comprising: - a body, the body comprising a longitudinal member, in particular a front longitudinal member, - a traction and / or propulsion engine, in particular an electric motor, - an air conditioning compressor comprising an electric motor driving the compressor, - a support for the engine and compressor, the support being fixed to the side member, the support comprising a first means of filtering vibrations emanating from the engine and a second means of filtering vibrations emanating from the compressor.

[0006] The first filtration means may include an element extending around a vertical axis or substantially from a vertical axis, in particular so as to allow the motor to be fixed to the support from below.

[0007] The support bracket can extend between the engine and the side member.

[0008] The second filtration means may comprise at least two axis elements vertical or substantially vertical, and / or the second filtration means may include a horizontal axis element, in particular an axis extending transversely or longitudinally.

[0009] The retaining support may include a bore for receiving each element, and / or the retaining support may include a hole for the passage of a screw for fixing an element to the retaining support, or a tapping for screwing in a screw for fixing an element to the retaining support.

[0010] The arrangement may include a base for fixing the compressor, the base being able to be arranged between the compressor and the retaining support.

[0011] The compressor can be fixed to the base and the second filtration means can extend between the base and the support.

[0012] The arrangement may include an interface for fixing the motor to the support, the first filtration means being able to be interposed between the interface and the support.

[0013] The support may include means for fixing to the side member which are breakable and / or disengageable so as to be able to break and / or disengage from the side member in the event of a frontal impact of such a vehicle.

[0014] The mass of the compressor can be between 4 kg and 10 kg, in particular between 6 kg and 8 kg.

[0015] The invention further relates to a vehicle, in particular a motor vehicle, comprising an arrangement as defined above. Presentation of the figures

[0016] These objects, features and advantages of the present invention will be described in detail in the following description of an embodiment given by way of non-limiting reference in relation to the accompanying figures, among which:

[0017] Fig. 1 is a schematic view of a motor vehicle according to one embodiment of the invention.

[0018] Fig. 2 is a partial perspective view of an arrangement according to one embodiment of the invention.

[0019] Fig. 3 is a partial exploded view of the arrangement according to the embodiment of the invention.

[0020] Fig. 4 is a partial front view of the arrangement according to the embodiment of the invention.

[0021] Fig. 5 is a schematic perspective view of a support for maintaining the arrangement according to the embodiment of the invention.

[0022] Fig. 6 is another perspective view of the support for maintaining the arrangement according to the embodiment of the invention. Detailed description

[0023] The direction in which a vehicle, particularly a motor vehicle, moves in a straight line is defined as the longitudinal direction X. By convention, the direction perpendicular to the longitudinal direction, located in a plane parallel to the ground, is called the transverse direction Y. The third direction, perpendicular to the other two, is called the vertical direction Z. Thus, a right-handed coordinate system XYZ is used in which X is the longitudinal direction in the front-to-back direction of the vehicle, i.e., directed towards the rear, Y is the transverse direction directed to the right, and Z is the vertical direction directed upwards. The forward direction corresponds to the direction in which the vehicle usually moves in the longitudinal direction and is opposite to the backward direction.

[0024] As illustrated in [Fig. 1], a vehicle 1, for example a motor vehicle, comprises a body 2. The vehicle 1 comprises a powertrain including at least one electric motor 5 for traction and / or propulsion of the vehicle 1. Optionally, the powertrain may also include an internal combustion engine for propulsion and / or traction of the vehicle 1 and / or for generating electrical energy. The vehicle 1 preferably includes a battery 9 for storing electrical energy. The vehicle 1 further comprises an arrangement 6.

[0025] More specifically, the arrangement 6 comprises the body 2. The body 2 comprises a longitudinal member 4. As illustrated in [Fig. 2], the longitudinal member 4 is advantageously a front longitudinal member. Preferably, the longitudinal member 4 is a right-hand front longitudinal member. The arrangement 6 further comprises the electric traction and / or motor 5. Vehicle propulsion 1. The arrangement 6 further includes an air conditioning compressor 3. The compressor 3 includes its own electric motor 7 driving the compressor 3. Optionally, the compressor 3 also contributes to cooling the battery 9, and / or the electric motor 5, or even a combustion engine equipping the vehicle 1, if applicable. The arrangement 6 further includes a mounting bracket 10 for the motor 5 and the compressor 3. As illustrated in particular in [Fig. 2], the mounting bracket 10 is fixed to the side member 4. Preferably, the mounting bracket 10 is fixed at least to an upper face 8 of the side member 4 and / or to a face 80 extending vertically from the side member 4. The face 80 preferably extends along the side of a vertical and longitudinal median plane M of the vehicle 1.

[0026] As illustrated in Figures 3 and 5, the support 10 includes a first filtering means 50, in particular for filtering vibrations emanating from the electric traction and / or propulsion motor 5 of the vehicle 1. The first filtering means 50 preferably includes a damping element 51, a pad, extending around a vertical or substantially vertical axis A51. For example, the element 51 is marketed under the brand name "SILENT BLOC". Preferably, the element 51 includes an external tubular portion intended to fit into a bore, an internal tubular portion, and an elastic cylindrical portion extending between the internal and external tubular portions. As illustrated in [Fig. 3], a shaft or a screw or stud 52, in particular an unthreaded portion of a screw shank, is inserted into the internal tubular portion. Preferably, the internal and external tubular portions are metallic, for example, made of steel.

[0027] Advantageously, the stud 52, which fits within the internal tubular portion of the element 51, allows the motor 5 to be fixed to the support 10 from below. If necessary, the stud 52 extends in the vertical or substantially vertical direction.

[0028] As schematically illustrated in [Fig.2], the retaining support 10 extends between the engine 5 and the longitudinal member 4.

[0029] As illustrated in particular in [Fig. 5], the support 10 includes a second filtration means 30, notably for filtering vibrations emanating from the compressor 3. As a reminder, the compressor 3 includes its own electric motor 7. Preferably, the second filtration means 30 comprises at least two damping elements 31, 32, pads, extending respectively around axes A31, A32. Axes A31, A32 extend vertically or substantially vertically, preferably. For example, in addition and / or alternatively, the second filtration means 30 includes a damping element 33 extending around an axis A33. Axis A33 extends, for example, horizontally or substantially horizontally, possibly in the transverse or longitudinal direction.

[0030] For example, elements 31, 32, 33 are marketed under the brand name "SILENT BLOC". Preferably, each element comprises an external tubular portion designed to fit into a bore, an internal tubular portion, and a flexible cylindrical portion extending between the internal and external tubular portions. A shaft, screw, or stud, in particular an unthreaded portion of a screw shank, is inserted into the internal tubular portion. Preferably, the internal and external tubular portions are metallic, for example, made of steel.

[0031] For example, the retaining bracket 10 includes a bore 36 for receiving each damping element 31, 32, 33, more specifically for housing an external tubular portion of each element. Alternatively or additionally, the retaining bracket 10 includes a hole 37 for the passage of a screw 35 for attaching an element 31, 32, 33 to the retaining bracket 10. Alternatively or additionally, the retaining bracket 10 includes a threaded hole 38 for screwing in a screw to secure an element 31, 32, 33 to the retaining bracket 10.

[0032] Preferably, as illustrated in Figures 3 and 4, the arrangement 6 further includes a base 40 for mounting the compressor 3. In this case, the base 40 is arranged, interposed, housed, and held between the compressor 3 and the mounting bracket 10. For example, the base 40 includes one or more holes or bores 41. For example, the compressor 3 includes a housing comprising one or more holes or bores 34. The arrangement 6 then includes at least one fastening means, preferably at least one screw 43, passing through a hole 41 in the base 40 and a hole 34 in the compressor 3. For example, a nut 44 is screwed onto a threaded shank of each screw 43 so as to sandwich the base 40 and the compressor 3 between the head of the screw 43 and the nut 44. For example, the head of the screw 43 is embedded, housed, in the base 40 so that the head of screw 43 is not visible on the [Fig.4].

[0033] Thus, the compressor 3 is fixed to the base 40. The second filtration means 30, comprising the elements 31, 32, 33, then extends between the base 40 and the support 10.

[0034] Optionally, as illustrated in [Fig. 3], the arrangement 6 includes an interface, a cap 60 for attaching the motor 5 to the retaining support 10. In this case, the first filtration means 50 is arranged, interposed, housed between the interface 60 and the retaining support 10. Preferably, the first filtration means 50 is housed within a bore formed in the support 10, and the interface 60 includes the shaft or axle or screw or stud 52, which is fixed, welded, or even formed with the interface 60. As a reminder, preferably the stud 52 extends vertically or substantially vertically upwards from the interface 60 so as to allow the electric motor 5 to be attached via a vertical translation from bottom to top.

[0035] As illustrated in particular in [Fig. 6], preferably, the support bracket 10 comprises breakable and / or disengageable fastening means 11, 12 to the side member 4. In other words, the fastening means 11, 12 are designed to break and / or disengage from the side member 4 in the event of a frontal impact, particularly with vehicle 1.

[0036] For example, the support 10 includes a single ear-type attachment 12, comprising a bore or through hole 13 formed in this ear 12. A fixing screw 14 is then inserted into this hole 13 and is fixed to the spar 4, for example, via a threaded hole formed in the spar, or a threaded insert fixed to the spar 4, or via a nut. In the event of an impact, the ear-type attachment 12 breaks, the screw 14 having, for example, a greater resistance than the ear 12, especially since the ear 12 is weakened by the hole 13 through which the screw 14 passes. Alternatively, the support 10 includes at least two ear-type attachments 12, each comprising a bore for the passage of a fixing screw.

[0037] For example, the retaining support 10 further includes one or more fixing means 11, 16 in the form of a notch, hook, release cooperating with screws for fixing the support 10 to the stringer 4. These means 11 each include a passage 15 for a fixing screw 14. As illustrated in [Fig.6], two notches 11 are provided with a passage 15 extending in the vertical direction, here downwards. In the event of a frontal impact F of the vehicle, it is a front portion of each notch 11 that breaks with the recoil of the support 10. Here again, the screws 14 preferably have a resistance greater than a portion or part or half of the notch 11. A notch 16 has a passage or orifice 15 oriented towards the front so that in the event of a frontal impact, its screw 17 disengages, escapes, slides against the notch which separates the support 10 from the longitudinal member 4 at the level of this fixing means 16.Alternatively, the support bracket 10 includes fewer, or more, fastening means 11, 16.

[0038] Thus, in the event of a frontal impact F, the longitudinal member 4 absorbs the maximum energy, the fixings of the support bracket 10 relative to the longitudinal member only slightly altering, or not at all, its behavior in impacts.

[0039] For example, the mass of the compressor 3, possibly including the mass of the electric motor 7 of the compressor 3, is between 4 kg and 10 kg, for example between 6 kg and 8 kg.

[0040] In summary, the solution relates to the filtration of the air conditioning compressor 3 equipped with its electric motor 7, the filtration of the compressor 3 being mounted on the filtration of the electric traction and / or propulsion motor 5 of the vehicle 1. As mentioned, the compressor 3 is fixed and filtered at the level of the right-hand side member 4. More precisely, the filtration of the compressor 3 is provided on the engine buffer 10 extending between the motor 5 and the side member 4. In other words, the filtration of the electric air conditioning compressor 3 is integrated onto the filtration of the electric traction motor 5. A The single piece, the support 10, provides both the support function for the traction and / or propulsion motor 5 and the support function for the compressor 3. Note that the support 10 provides filtration for the compressor 3, via damping elements 31, 32, 33 interposed between the compressor 3 and the support 10, or interposed between the base 40 fixed to the compressor 3, for example rigidly fixed to the compressor 3, and the support 10.

[0041] Thus, although the architecture of a vehicle does not allow a compressor to be fixed on the traction and / or propulsion engine due to insufficient space in the engine compartment arranged at the front of the vehicle, the dual function of the support 10 allows the air conditioning compressor to be received.

[0042] This results in a saving of parts by avoiding the creation of a specific interface for attaching the compressor 3 to the body 2. Thus, the design, manufacture, and storage of a particularly rigid and therefore expensive part are avoided. Furthermore, as previously mentioned, the use of the support 10 does not disrupt the operation of the side member during a crash, as the support is designed to disengage, move rearward and / or upward, possibly breaking at least partially. For example, at least one fastener located at the rear of the support 10 breaks or disengages. Possibly, all the fasteners located at the rear of the support 10 break or become dislodged relative to the mounting screws 14, 17. In any case, the side member's shock absorption is not affected by the presence of the support 10, and the side member can "work" along its entire length.In other words, the dual-function support 10 does not disrupt the kinematics of the side member during a crash, particularly a frontal impact F. It should be noted that the support 10 is designed in the same way as an engine buffer mount, i.e., it is particularly rigid. Thus, the rigidity of the support required to support the engine 5 is used to accommodate and support the compressor 3 while filtering its vibration emissions, especially in relation to the body 2. Thanks to its rigidity, the support 10 offers good performance in terms of noise, vibration, and harshness. Furthermore, the rigidity provided by the support 10 allows for the mounting of compact filter elements 31, 32, and 33. This results in space savings and / or material savings, particularly in vibration-damping materials.

[0043] Thus, material extensions are provided on a support extending between a traction and / or propulsion engine 5 and a vehicle body 2 1 so as to integrate a buffer, a filter, to receive the air conditioning compressor 3. As mentioned, threaded holes 38 can be provided in the support 10 at the level of the extensions or areas intended to receive the filter elements 31, 32, 33 and / or bores 36 are provided to directly accommodate the filter elements 31, 32, 33, by example fitted. Alternatively or in addition, holes 37 are provided at the level of the extensions or areas intended to receive the filter elements 31, 32, 33.

[0044] In summary, despite an electric motor being arranged within a small engine compartment, the solution allows the air conditioning compressor to be integrated, affixed, and fixed in a simple, reliable, and economical manner on the engine support, including the engine filtration relative to the body.

[0045] As a note, the solution therefore achieves the desired objective of integrating an air conditioning compressor within a front engine compartment comprising an electric traction motor while maintaining a high level of acoustic comfort and has the advantage of being able to be used on other types of motorized vehicles, namely trucks, buses, utility vehicles or even motorized two-wheelers.

Claims

Demands

1. Arrangement (6) for a vehicle, in particular for a motor vehicle (1), comprising: - a body (2), the body (2) comprising a longitudinal member (4), in particular a front longitudinal member, - a traction and / or propulsion motor (5), in particular an electric motor (5), - an air conditioning compressor (3) comprising an electric motor (7) driving the compressor (3), - a support (10) for the motor (5) and the compressor (3), the support (10) being fixed to the longitudinal member (4), the support (10) comprising a first means for filtering vibrations emanating from the motor (5) and a second means for filtering vibrations emanating from the compressor (3).

2. Arrangement (6) according to the preceding claim, characterized in that the first filtration means (50) comprises an element (51) extending around a vertical or substantially vertical axis, in particular so as to allow the motor (5) to be fixed to the support (10) from below.

3. Arrangement (6) according to any one of the preceding claims, characterized in that the retaining support (10) extends between the engine (5) and the side member (4).

4. Arrangement (6) according to any one of the preceding claims, characterized in that the second filtration means (30) comprises at least two elements (31, 32) with vertical or substantially vertical axes, and / or in that the second filtration means (30) comprises an element (33) with a horizontal axis, in particular with an axis extending transversely or longitudinally.

5. Arrangement (6) according to the preceding claim, characterized in that the retaining support (10) includes a bore (36) for receiving each element (31; 32; 33), and / or in that the retaining support (10) includes a hole (37) for the passage of a screw (35) for fixing an element (31; 32; 33) relative to the retaining support (10), or a tapping (38) for screwing in a screw (35) for fixing an element (31; 32; 33) relative to the retaining support (10).

6. Arrangement (6) according to any one of the preceding claims, characterized in that the arrangement (6) comprises a base (40) for fixing the compressor (3), the base (40) being arranged between the compressor (3) and the retaining support (10).

7. Arrangement (6) according to the preceding claim, characterized in that the compressor (3) is fixed to the base (40) and in that the second filtration means (30) extends between the base (40) and the support (10).

8. Arrangement (6) according to any one of the preceding claims, characterized in that the arrangement (6) comprises an interface (60) for fixing the motor (5) to the retaining support (10), the first filtering means (50) being interposed between the interface (60) and the retaining support (10).

9. Arrangement (6) according to any one of the preceding claims, characterized in that the support (10) includes means for fixing (11, 12, 16) to the side member (4) which are breakable and / or disengageable so as to be able to break and / or disengage from the side member (4) in the event of a frontal impact of such a vehicle (1).

10. Arrangement (6) according to any one of the preceding claims, characterized in that the mass of the compressor (3) is between 4 kg and 10 kg, in particular between 6 kg and 8 kg.

11. Vehicle, in particular motor vehicle (1), characterized in that it comprises an arrangement (6) according to any one of the preceding claims.