Fuel cell assembly structure

The fuel cell mounting structure in the front section of a rear-wheel-drive vehicle dampens auxiliary equipment vibrations and noise, addressing cost increases and noise issues without additional anti-vibration elements.

DE102016119449B4Active Publication Date: 2026-05-28TOYOTA JIDOSHA KK
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
TOYOTA JIDOSHA KK
Filing Date
2016-10-12
Publication Date
2026-05-28

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Abstract

Fuel cell assembly structure which features: a fuel cell (18) configured to be arranged in a vehicle (10) in which a drive motor (12) driving rear wheels (22) is located in a rear section of the vehicle, wherein the fuel cell (18) is located on the upper side of a suspension member (24) located in a front section of the vehicle and is connected to the suspension member (24) via a plurality of anti-vibration members (28), and Auxiliary devices (42) comprising at least one air compressor (48) and one pump (50), characterized in that the auxiliary devices (42) are attached to the fuel cell (18) in a state in which the auxiliary devices (42) do not touch the suspension member (24), wherein the anti-vibration elements (28) are connected to a stacking frame (38) which supports the fuel cell (18) and are attached to the front and rear sections of the suspension member (24), wherein at least the anti-vibration elements (28) attached to the rear section of the suspension member (24) are arranged outside the stacking frame (38) in a vehicle width direction.
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Description

Background Technical field

[0001] The present disclosure relates to a fuel cell assembly structure according to the preamble of claim 1. State of the art

[0002] As a vehicle with an on-board fuel cell, or vehicle-mounted fuel cell, JP 2006-89 040 A discloses a configuration in which the fuel cell is located under a front seat. Furthermore, in JP 2006-89 040 A, the vehicle is equipped with a pair of drive motors for powering the front wheels, and auxiliary equipment that could be sources of vibration, such as a hydrogen gas circulation pump, is positioned between the pair of drive motors so that any vibration generated by the auxiliary equipment is dampened by the heavy motors.

[0003] In this context, if the technology disclosed in JP 2006-89 040 A were applied to a rear-wheel-drive fuel cell vehicle, the drive motors would be located in the rear section of the vehicle. However, if the auxiliary equipment is moved to the rear section along with the drive motors, the distance between the auxiliary equipment and the components in the front section of the vehicle, such as the radiator and the condenser, will increase, potentially leading to higher costs associated with the wiring and piping of the auxiliary equipment.

[0004] Also relevant in this field of technology are DE 10 2008 007 978 A1, DE 11 2013 000 874 T5, DE 10 2010 043 901 A1, DE 100 21 044 A1 or DE 602 06 214 T2. DE 699 25 095 T2 discloses a fuel cell assembly structure according to the preamble of claim 1.

[0005] Starting from the nearest prior art, the present invention therefore solves the problem of preventing or at least mitigating the aforementioned increase in costs. The present disclosure solves this problem by means of a fuel cell mounting structure with the features listed in claim 1, which can dampen vibration of the auxiliary equipment in a rear-wheel-drive fuel cell vehicle while suppressing an increase in costs associated with the wires and piping of the auxiliary equipment.

[0006] A first aspect of the present disclosure is a fuel cell assembly structure with the features specified in claim 1. Advantageous further developments are the subject of the dependent claims.

[0007] In the first aspect, the rear wheels are driven by the drive motor, which is located in the rear section of the vehicle. The fuel cell is positioned on the upper side of the suspension link in the front section of the vehicle and is connected to the suspension link via several anti-vibration links. The auxiliary equipment, configured to house the air compressor and pump, is attached to the fuel cell and positioned so that it does not touch the suspension link. This arrangement allows vibrations generated by the auxiliary equipment to be dampened by the fuel cell. Furthermore, at least some of the fuel cell's vibrations can be absorbed by the anti-vibration links.

[0008] Furthermore, by placing the auxiliary equipment in the front section of the vehicle, the wires and pipes of the auxiliary equipment do not need to be longer, thus avoiding the increase in costs associated with these components. Additionally, in the event of a collision with the vehicle, some of the impact load is absorbed by the anti-vibration elements, preventing the impact load from being transferred to the fuel cell.

[0009] A second aspect of the present disclosure is the fuel cell mounting structure of the first aspect, wherein an air conditioning system compressor is attached to the fuel cell in a state in which the air conditioning system compressor does not touch the suspension member.

[0010] In the second aspect, in addition to the auxiliary equipment for the fuel cell vehicle, the air conditioning system compressor is attached to the fuel cell, so that a vibration generated by the air conditioning system compressor can be dampened via the fuel cell.

[0011] A third aspect of the present disclosure is the fuel cell mounting structure of the first or second aspect, wherein at least one of the parts, DC-DC converter (direct current converter) and inverter, is attached to the fuel cell in a state in which the at least one of the parts, DC-DC converter and inverter, does not touch the suspension member.

[0012] In the third aspect, in addition to the auxiliary equipment for the fuel cell vehicle, at least one of the components, DC-DC converter and inverter, is attached to the fuel cell, so that passenger compartment noise caused by high frequencies generated by the DC-DC converter and / or the inverter can be dampened via the fuel cell.

[0013] A fourth aspect of the present disclosure is the fuel cell assembly structure of any of the first to third aspects, wherein the anti-vibration elements are connected to a stacking frame supporting the fuel cell, and the auxiliary devices are attached to the fuel cell via the stacking frame and are placed in positions where they are concealed by the stacking frame, as can be seen from the vehicle's upper direction.

[0014] In the fourth aspect, the auxiliary devices are positioned where they are concealed by the stacking frame, as can be seen from above the vehicle. Therefore, even in the case of compatible components, such as a suspension link and the chassis of a conventional vehicle whose sole power source is an engine, the auxiliary devices are prevented from interfering with or colliding with these components.

[0015] As described above, according to the first aspect of the present disclosure, vibration of the auxiliary equipment in a rear-wheel-drive fuel cell vehicle can be dampened while suppressing an increase in costs associated with the wires and piping of the auxiliary equipment.

[0016] According to the second or third aspect, vibration generated by the air conditioning system compressor and passenger compartment noise caused by high frequencies generated by the DC-DC converter and / or inverter can be reduced without the need for associated anti-vibration elements.

[0017] According to the fourth aspect, parts can be shared with those of a conventional vehicle. Brief description of the drawings

[0018] An exemplary embodiment of the present disclosure is described in detail based on the following figures, wherein: Fig. 1 is a perspective view showing a fuel cell assembly structure belonging to the embodiment, Fig. 2 is a top view showing the fuel cell assembly structure belonging to the embodiment, Fig. 3 a perspective view for describing auxiliary devices that configure the fuel cell assembly structure belonging to the embodiment, and Fig. 4 is a schematic diagram showing a vehicle to which the fuel cell assembly structure belonging to the embodiment has been applied. Detailed description

[0019] A fuel cell mounting structure belonging to an embodiment of the present disclosure is described in detail below based on the drawings. It should be noted that an arrow FR, appropriately shown in the drawings, denotes a vehicle-forward direction, an arrow UP denotes a vehicle-upward direction, and an arrow RH denotes a vehicle-to-the-right direction when the direction of travel is aligned. Furthermore, when the directions front and rear, top and bottom, and right and left are used without further specification or indication in the following description, they are understood to mean front and rear in the vehicle-forward-and-rearward direction, top and bottom in the vehicle-vertical direction, and right and left when the direction of travel is aligned. Overall configuration of the vehicle

[0020] As it is in Fig. As can be seen in Figure 4, a vehicle 10, to which the fuel cell assembly structure belonging to the present embodiment has been applied, is formed to include a drive motor 12, a hydrogen cylinder 14, a storage battery 16, an FC stack (fuel cell stack) 18, which serves as a fuel cell, and a power control unit 20.

[0021] The drive motor 12 is located in a rear section 13 of the vehicle. Once the drive motor 12 is energized, its output is transmitted to the rear wheels 22 via a transmission mechanism (not shown in the drawings). The hydrogen cylinder 14 is also located in the lower section of the vehicle, at the front of the drive motor 12. The hydrogen cylinder 14 is a container filled with compressed hydrogen gas for delivery to the FC stack 18, which will be described later. It should be noted that, although Fig. Figure 1 shows only one hydrogen cylinder 14, the vehicle 10 is not limited to this and can also be equipped with several hydrogen cylinders 14.

[0022] The storage battery 16 is located on the front side of the hydrogen cylinder 14 of the vehicle. The storage battery 16 is a rechargeable battery, and in the present embodiment, for example, a nickel-hydrogen secondary battery is used. Additionally, the storage battery 16 supplies power to the drive motor 12 to power it and also regenerates power from the drive motor 12 during regenerative braking. It should be noted that the storage battery 16 is not limited to a nickel-hydrogen secondary battery, provided that the storage battery 16 is rechargeable, and another type of battery can also be used. For example, a lithium-hydrogen secondary battery or a lead-acid battery can also be used as the storage battery 16.

[0023] The FC stack 18 and the power control unit 20 are arranged in a power unit compartment in a front section 11 of the vehicle. The FC stack 18 has a stacked structure in which several individual cells, which are component units, are stacked, and the FC stack 18 functions as a high-voltage power source. In addition, each of the individual cells that configure the FC stack 18 generates power by means of an electrochemical reaction between the hydrogen gas supplied by the hydrogen cylinder 14 and compressed air supplied by an air compressor 48, which will be described later.

[0024] The power control unit 20 is equipped with an inverter that performs a conversion between the high-voltage DC current (high-voltage direct current) handled in the FC stack 18 and the storage battery 16, and an AC current (alternating current) for driving the drive motor 12. Structure for assembling the FC stack 18

[0025] Next, a structure for assembling the FC stack of 18 is described. As it is in Fig. As can be seen in Figure 1, the FC stack 18 is positioned on the upper side of a suspension link 24. The suspension link 24 is located in the lower section of the front section 11 of the vehicle and is supported by and beneath a right and left pair of front side links (not shown in the drawings) extending in the front-and-rear direction of the vehicle.

[0026] Furthermore, the suspension member 24 is equipped with a right and left pair of side rail sections 24A extending along the front and rear directions of the vehicle. The pair of side rail sections 24A extends away from each other in directions leading towards the front of the vehicle. Additionally, the front end sections of the pair of side rail sections 24A are connected to each other by a front cross member 24B extending in the width direction of the vehicle, and the rear end sections of the pair of side rail sections 24A are connected to each other by a rear cross member 24C extending in the width direction of the vehicle. For this reason, the suspension member 24 is formed in an essentially frame shape, as can be seen in a top view from the top of the vehicle.In particular, front mounting members 26 are attached to the front sections of the pair of side rail sections 24A and rear mounting members 28 are attached to the rear sections of the pair of side rail sections 24A.

[0027] The front mounting members 26 are arranged in the sections of the side rail sections 24A that are connected to the front transverse member 24B and are positioned standing on the side rail sections 24A such that their plate thickness direction coincides with the vehicle width direction. Furthermore, insertion holes 26A are formed in the upper sections of the front mounting members 26, and screws 30 are inserted through the insertion holes 26A.

[0028] The screws 30 are screwed into an upright section 38A of a front end section of a stacking frame 38 described later, and the front mounting members 26 are fastened to the stacking frame 38 by the screws 30. It should be noted that elastic bodies 32 are arranged between the screws 30 and the hole walls of the insertion holes 26A, and that the screws 30 are attached to the front mounting members 26 via the elastic bodies 32. Therefore, any vibration transmitted from one of the parts, suspension member 24 and stacking frame 38, to the other is dampened by elastic deformation of the elastic bodies 32.

[0029] The rear mounting links 28 are positioned on the rear side of the vehicle relative to the front mounting links 26. The rear mounting links 28 are arranged in positions offset in the forward direction of the vehicle from the sections of the side rail sections 24A that are connected to the rear cross member 24C, and the rear mounting links 28 are formed in substantially round, tubular shapes whose axial direction coincides with the vehicle's vertical direction. Furthermore, the rear mounting links 28 are positioned between lower mounting pieces 34, which are arranged on the side rail sections 24A, and upper mounting pieces 36, which are arranged on the stacking frame 38 described later, and the rear mounting links 28 connect the lower mounting pieces 34 and the upper mounting pieces 36 to each other in the vehicle's vertical direction.

[0030] The lower mounting pieces 34 are essentially triangular in shape, with their outer faces forming points in the direction of the vehicle width, as can be seen in a plan view. The lower mounting pieces 34 project outwards from the side rail sections 24A in the direction of the vehicle width. Additionally, the lower end sections of the rear mounting links 28 are attached to these projecting sections. The upper mounting pieces 36 are likewise essentially triangular in shape, with their outer faces forming points in the direction of the vehicle width, as can be seen in a plan view. The upper mounting pieces 36 project outwards from the stacking frame 38 in the direction of the vehicle width. Additionally, the upper end sections of the rear mounting links 28 are attached to these projecting sections.For this reason, the rear mounting links 28 are positioned on the outer sides of the side rail sections 24 and the stacking frame 38, in the direction of the vehicle width. It should be noted that elastically deformable anti-vibration rubber is arranged inside the rear mounting links 28, so that any vibration transmitted from one of the parts, suspension link 24 and stacking frame 38, to the other is dampened.

[0031] A stacking frame 38, supporting the FC stack 18, is attached to the pair of front mounting links 26 and the pair of rear mounting links 28. The stacking frame 38 is formed in a substantially rectangular shape, as can be seen in a plan view, such that its plate thickness direction coincides with the vehicle's vertical direction. Furthermore, the upright section 38A, projecting upwards in the vehicle direction, is located on the front end section of the stacking frame 38, and screw holes (no reference numerals are assigned to these) into which the screws 30 are screwed are formed in the upright section 38A. Additionally, as mentioned above, the upper mounting pieces 36 are attached to the rear section of the stacking frame 38, and the upper end sections of the rear mounting links 28 are attached to the upper mounting pieces 36.

[0032] The FC stack 18 is attached to the upper surface of the stacking frame 38, which is formed as described above. Therefore, the FC stack 18 is connected to the suspension member 24 via the pair of front mounting links 26 and the pair of rear mounting links 28. Furthermore, the FC stack 18 is formed in a substantially cuboid shape, and a DC-DC converter 40 is attached to its upper surface. The DC-DC converter 40 is electrically connected to the FC stack 18 and converts the voltage of the DC current (direct current) generated by the FC stack 18 to a different voltage value. It should be noted that, although in the present embodiment only the DC-DC converter 40 is attached to the upper surface of the FC stack 18, the fuel cell mounting structure is not limited to this.For example, the fuel cell mounting structure can also be configured to use an inverter, which converts between a high-voltage DC current and an AC current, instead of the DC-DC converter 40. Alternatively, the fuel cell mounting structure can also be configured to use both the DC-DC converter 40 and an inverter.

[0033] Auxiliary devices 42 are attached to the underside of the stacking frame 38. The auxiliary devices 42 of the present embodiment are described with reference to Fig. 3 described below. Fig. Figure 3 shows a state in which the FC stack 18 and the suspension member 24 have been excluded, and for the purpose of understanding the description, the stack frame 38 is indicated by long-dashed-double-short-dashed lines.

[0034] As it is in Fig. As can be seen in Figure 3, the auxiliary equipment 42 of the present embodiment is formed to include an air conditioning system compressor 44, an FC water pump (fuel cell water pump) 46, which serves as a pump, an air compressor 48 and a hydrogen pump 50.

[0035] The air conditioning system compressor 44 is mounted on the underside of the front end section and the left end section of the stacking frame 38 and is a compressor for compressing and condensing a refrigerant used in an air conditioning system. Additionally, piping (not shown in the drawings) that configures refrigerant flow paths is connected to the air conditioning system compressor 44.

[0036] Furthermore, several (four in the present embodiment) fastening sections 44A are arranged on the air conditioning system compressor 44. The fastening sections 44A project from the air conditioning system compressor 44 in the vehicle-upward direction and are fastened to the stacking frame 38 by fasteners, such as screws (not shown in the drawings). Moreover, the air conditioning system compressor 44 does not touch the suspension member 24. In other words, the air conditioning system compressor 44 is positioned in such a way that it does not touch the suspension member 24.

[0037] The FC water pump 46 is located on the vehicle's right side of the air conditioning system compressor 44. The FC water pump 46 is mounted on the underside of the front end section and the right end section of the stack frame 38, and pipes (not shown in the drawings) that configure coolant flow paths are connected to the FC water pump 46. Additionally, the FC water pump 46 circulates the coolant flowing through the pipes to cool the FC stack 18 and maintain it at a predetermined temperature.

[0038] Furthermore, several (four in the present embodiment) fastening sections 46A are arranged on the FC water pump 46. The fastening sections 46A project from the FC water pump 46 in the vehicle-upward direction and are fastened to the stacking frame 38 by fasteners, such as screws (not shown in the drawings). Moreover, the FC water pump 46 does not touch the suspension member 24. In other words, the FC water pump 46 is positioned in such a way that it does not touch the suspension member 24.

[0039] The air compressor 48 is located on the rear side of the air conditioning system compressor 44. The air compressor 48 is mounted on the underside of the vehicle's front-and-rear-direction center section of the stacking frame 38, and a pipeline for supplying compressed air to the FC stack 18 is connected to the air compressor 48.

[0040] Furthermore, several (four in the present embodiment) fastening sections 48A are arranged on the air compressor 48. The fastening sections 48A project from the air compressor 48 in the vehicle-upward direction and are fastened to the stacking frame 38 by fasteners, such as screws (not shown in the drawings). Moreover, the air compressor 48 does not touch the suspension member 24. In other words, the air compressor 48 is positioned in such a way that it does not touch the suspension member 24.

[0041] The hydrogen pump 50 is located on the rear side of the air compressor 48. The hydrogen pump 50 is mounted on the underside of the rear end section and the left end section of the stack frame 38, and piping (not shown in the drawings) configuring hydrogen flow paths is connected to the hydrogen pump 50. Additionally, unreacted hydrogen gas released from the FC stack 18 is circulated through the hydrogen pump 50 and thus returned to the FC stack 18.

[0042] Furthermore, several (four in the present embodiment) fastening sections 50A are arranged on the hydrogen pump 50. The fastening sections 50A project from the hydrogen pump 50 in the vehicle-upward direction and are fastened to the stacking frame 38 by fasteners, such as screws (not shown in the drawings). Moreover, the hydrogen pump 50 does not touch the suspension member 24. In other words, the hydrogen pump 50 is positioned in such a way that it does not touch the suspension member 24.

[0043] As described above, in the present embodiment the auxiliary devices 42 are attached to the underside of the stacking frame 38 in a state in which the auxiliary devices 42 do not touch the suspension member 24. Furthermore, as described in Fig. Figure 2 shows the air conditioning system compressor 44, the FC water pump 46, the air compressor 48, and the hydrogen pump 50, which configure the auxiliary equipment 42, positioned where they are concealed by the stacking frame 38, as seen from above the vehicle. This means they are located within the contour of the stacking frame 38. It should be noted that "located in positions where they are concealed by the stacking frame 38" is not limited to a state in which the parts configuring the auxiliary equipment 42 are completely concealed and cannot be seen from above the vehicle. The concept includes a configuration in which, for example, sections of the parts configuring the auxiliary equipment 42 extend slightly outside the contour of the stacking frame 38 to an extent that they do not interfere with the suspension link.They are positioned so that they do not collide with it. How it works

[0044] Next, the functionality of the fuel cell assembly structure of the present embodiment will be described.

[0045] In the fuel cell mounting structure of the present embodiment, the stacking frame 38, which supports the fuel cell stack 18, is positioned on the upper side of the suspension member 24. The stacking frame 38 is also connected to the suspension member 24 via the pair of front mounting links 26 and the pair of rear mounting links 28. Furthermore, the auxiliary devices 42 are attached to the underside of the stacking frame 38. By attaching the auxiliary devices 42 to the heavy fuel cell stack 18 via the stacking frame 38, vibrations generated by the auxiliary devices and transmitted to the fuel cell stack 18 are dampened, and vibrations transmitted from the auxiliary devices 42 to the vehicle body are suppressed. Consequently, passenger compartment noise caused by the vibration of the auxiliary devices 42 can be reduced.

[0046] Furthermore, in the event of a collision with vehicle 10, some of the collision load applied to the suspension link 24 is absorbed by the pair of front mounting links 26 and the pair of rear mounting links 28. Therefore, the collision load can be prevented from being transferred to the FC stack 18.

[0047] Furthermore, in a rear-wheel-drive fuel cell vehicle where the drive motor 12 is located in the rear section 13, the increase in costs associated with the wires and piping of the auxiliary equipment 42 can be suppressed compared to a configuration where the auxiliary equipment 42 is attached to the drive motor 12 to dampen vibration. This means that in the structure of the comparative example, where the auxiliary equipment 42 is attached to the drive motor 12 in the rear section 13, the wires and piping connecting the auxiliary equipment 42 to the radiator, condenser, etc., located in the front section of the vehicle, become longer, and there is the potential for a corresponding increase in costs.In contrast, by using a configuration in which the FC stack 18 is located in the vehicle's front section 11 and the auxiliary devices 42 are attached to the FC stack 18 as in the present embodiment, the wires and pipes do not need to be made longer. This means that vibration of the auxiliary devices 42 can be dampened, while an increase in costs associated with the wires and pipes of the auxiliary devices 42 is suppressed.

[0048] Furthermore, in the present embodiment, in addition to the auxiliary equipment for the fuel cell vehicle (the FC water pump 46, the air compressor 48, and the hydrogen pump 50), the air conditioning system compressor 44 is mounted on the underside of the stacking frame 38. The DC-DC converter 40 is also mounted on the upper surface of the FC stack 18. Therefore, associated anti-vibration elements for damping vibrations generated by the air conditioning system compressor 44 and the DC-DC converter 40 are unnecessary. In other words, vibrations generated by the air conditioning system compressor 44 and high frequencies generated by the DC-DC converter 40 can be dampened without the use of associated anti-vibration elements, and passenger compartment noise caused by the vibrations and high frequencies can be reduced.

[0049] Furthermore, in the present embodiment, as described in Fig. As can be seen in Figure 2, the auxiliary devices 42 are placed in positions where they are concealed by the stacking frame 38, as can be seen from the upper direction of the vehicle. Therefore, even in the case of compatible parts, such as a suspension link and a chassis of a conventional vehicle whose only power source is an engine, the auxiliary devices 42 can be prevented from interfering with or colliding with these parts.

[0050] As a result, parts can be shared with those of a conventional vehicle, and parts costs and manufacturing costs can be reduced.

[0051] The fuel cell mounting structure belonging to the embodiment of the present disclosure has been described above; however, it can, of course, be implemented in a variety of ways without deviating from the meaning of the present disclosure. For example, in the embodiment, four parts—the air conditioning system compressor 44, the FC water pump 46, the air compressor 48, and the hydrogen pump 50—are attached to the stacking frame 38, but the fuel cell mounting structure is not limited to these. The fuel cell mounting structure can also have a configuration in which only the air compressor 48 and the FC water pump 46 are attached to the underside of the stacking frame 38. In this case as well, any vibration generated by the air compressor 48 and the FC water pump 46 can be dampened by the FC stack 18.This means that, compared to a configuration where the auxiliary equipment 42 is located elsewhere, vibration of the auxiliary equipment 42 can be dampened, while increasing the costs associated with the wires and piping of the auxiliary equipment 42 is mitigated.

[0052] Furthermore, in the present embodiment, the auxiliary devices 42 are attached to the FC stack 18 via the stacking frame 38; however, the fuel cell mounting structure is not limited to this. For example, the auxiliary devices 42 can also be attached directly to the FC stack 18 using clamps or the like. Additionally, the fuel cell mounting structure can also use a configuration in which mounting holes or the like for attaching the auxiliary devices 42 are pre-formed in a case that configures the outer shell or casing of the FC stack 18.

[0053] Furthermore, in the present embodiment, the stacking frame 38 is connected to the suspension member 24 via four mounting members – the pair of front mounting members 26 and the pair of rear mounting members 28 – but the fuel cell mounting structure is not limited to this. For example, the stacking frame 38 can also be connected to the suspension member 24 by three mounting members. As an example, the fuel cell mounting structure can have a configuration in which the front end section of the stacking frame 38 is supported by a single front mounting member 26 instead of the pair of front mounting members 26. In this case, by arranging the front mounting member 26 taking into account the load acting on the right side and the load acting on the left side of the stacking frame 38, the stacking frame 38 and the fuel cell stack 18 can be supported by three mounting members.

[0054] Furthermore, the sizes and shapes of the air conditioning system compressor 44, the FC water pump 46, the air compressor 48, and the hydrogen pump 50 described in the embodiment are not particularly limited and can be of different sizes and shapes. In addition, the number and shapes of the fastening sections arranged on each of these parts are not particularly limited.

[0055] A fuel cell assembly structure is provided comprising (i) a fuel cell configured to be arranged in a vehicle in which a drive motor driving rear wheels is located in a rear section of the vehicle, the fuel cell being placed on the upper side of a suspension member located in a front section of the vehicle and connected to the suspension member via a plurality of anti-vibration members, and (ii) auxiliary equipment attached to the fuel cell in a state in which the auxiliary equipment does not touch the suspension member, and including at least one air compressor and pump.

Claims

[1] Fuel cell assembly structure which features: a fuel cell (18) configured to be arranged in a vehicle (10) in which a drive motor (12) driving rear wheels (22) is located in a rear section of the vehicle, wherein the fuel cell (18) is located on the upper side of a suspension member (24) located in a front section of the vehicle and is connected to the suspension member (24) via a plurality of anti-vibration members (28), and Auxiliary equipment (42) comprising at least one air compressor (48) and one pump (50), characterized by , that the auxiliary devices (42) are attached to the fuel cell (18) in a state in which the auxiliary devices (42) do not touch the suspension member (24), wherein the anti-vibration elements (28) are connected to a stacking frame (38) which supports the fuel cell (18) and are attached to the front and rear sections of the suspension member (24), wherein at least the anti-vibration elements (28) attached to the rear section of the suspension member (24) are arranged outside the stacking frame (38) in a vehicle width direction. [2] Fuel cell assembly structure according to claim 1, wherein an air conditioning system compressor (44) is attached to the fuel cell (18) in a state in which the air conditioning system compressor (44) does not touch the suspension member (24). [3] Fuel cell mounting structure according to claim 1 or 2, wherein at least either a DC-DC converter (40) or an inverter is attached to the fuel cell (18) in a state in which at least either the DC-DC converter (40) or the inverter does not touch the suspension member (24). [4] Fuel cell assembly structure according to any one of claims 1 to 3, wherein the auxiliary devices (42) are attached to the fuel cell (18) via the stacking frame (38) and are placed in positions where they are concealed by the stacking frame (38) when viewed from the top of the vehicle.

Citation Information

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