US 12,145,432 B2
Mounting structure for fuel cell drive system
Hideharu Naito, Wako (JP); Kohei Kakuta, Wako (JP); Hiroyoshi Suzuki, Wako (JP); Kazuhito Hattori, Wako (JP); Hirotaka Yokota, Wako (JP); and Takayuki Nishiyama, Wako (JP)
Assigned to Honda Motor Co., Ltd., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Feb. 23, 2022, as Appl. No. 17/678,351.
Claims priority of application No. 2021-039555 (JP), filed on Mar. 11, 2021.
Prior Publication US 2022/0289013 A1, Sep. 15, 2022
Int. Cl. B60K 1/04 (2019.01); B60L 50/71 (2019.01); B62D 21/11 (2006.01)
CPC B60K 1/04 (2013.01) [B60L 50/71 (2019.02); B62D 21/11 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A mounting structure for a fuel cell drive system, comprising:
the fuel cell drive system comprising a fuel cell system including a stack case that houses a fuel cell stack and an auxiliary device case that is connected to the stack case and houses a fuel cell auxiliary device, and a drive unit configured to drive a vehicle; and
a mount member configured to fix the fuel cell drive system to a vehicle body frame in a state in which the stack case and the auxiliary device case are arranged alongside together in a vehicle width direction, wherein the drive unit comprises:
a motor disposed under the stack case; and
a speed reducer disposed under the auxiliary device case and connected to the motor in the vehicle width direction, the mount member comprises:
a first mount connecting a first end forming an end of the stack case as one end of the fuel cell system in the vehicle width direction, to a first frame of the vehicle body frame; and
a second mount connecting a second end forming an end of the auxiliary device case as another end of the fuel cell system in the vehicle width direction, to a second frame of the vehicle body frame,
the stack case comprises the first end and a case end opposite to the first end in the vehicle width direction and connected to the auxiliary device case,
the motor comprises a first motor end portion and a second motor end portion opposite to the first motor end portion in the vehicle width direction and connected to the speed reducer,
the fuel cell drive system comprises:
a first connecting member connecting the stack case and the motor to each other; and
a second connecting member connecting the auxiliary device case and the speed reducer to each other, and
the first connecting member comprises an upper connecting portion fixed to the stack case and a lower connecting portion fixed to the first motor end portion of the motor.