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公开(公告)号：US20220216497A1
公开(公告)日：2022-07-07
申请号：US17568631
申请日：2022-01-04
发明人： Duck Hyoung Hwang , Hyun Yoo Kim , Kyung Ho Kim , Hyun Chul Lee , Young Ju Kim , Jun Sung Goo , Dong Won Kim , Chang Hun Lee
IPC分类号： H01M8/248
摘要： Disclosed are an end plate that maintains the flatness of a fuel cell stack formed by stacking a plurality of fuel cells so that a uniform surface pressure is maintained, a fastening bar, and the fuel cell stack including the same. The fuel cell stack includes a plurality of fuel cells, an end plate for the fuel cell stack is disposed on both side surfaces of the fuel cell stack to maintain the flatness of the fuel cell stack so that the uniform surface pressure is maintained, and a fastening bar is disposed outside the fuel cell stack has both ends coupled to the end plate for the fuel cell stack.
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公开(公告)号：US11890906B2
公开(公告)日：2024-02-06
申请号：US17986599
申请日：2022-11-14
发明人： Hyun Soo Kim , Jae Hun Kim , Young Ha Kim , Woo Bin Song , Dong Won Kim , Jun Sung Goo
CPC分类号： B60G11/08 , B60G3/10 , B60G7/001 , F16F1/3683
摘要： Disclosed are a vehicle suspension spring device and a vehicle suspension system having the same. The vehicle suspension spring device includes a leaf spring unit comprising at least one leaf spring disposed in a lateral direction of a vehicle, a pair of first coupling parts provided at opposite ends of the leaf spring unit in a longitudinal direction and rotatably coupled to a pair of axles on which opposite wheels of the vehicle are mounted, and a pair of second coupling parts provided at two points between the opposite ends of the leaf spring unit in the longitudinal direction to be rotatably coupled to a subframe of the vehicle.
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公开(公告)号：US20230166573A1
公开(公告)日：2023-06-01
申请号：US17986599
申请日：2022-11-14
发明人： Hyun Soo Kim , Jae Hun Kim , Young Ha Kim , Woo Bin Song , Dong Won Kim , Jun Sung Goo
CPC分类号： B60G11/08 , B60G3/10 , B60G7/001 , F16F1/3683
摘要： Disclosed are a vehicle suspension spring device and a vehicle suspension system having the same. The vehicle suspension spring device includes a leaf spring unit comprising at least one leaf spring disposed in a lateral direction of a vehicle, a pair of first coupling parts provided at opposite ends of the leaf spring unit in a longitudinal direction and rotatably coupled to a pair of axles on which opposite wheels of the vehicle are mounted, and a pair of second coupling parts provided at two points between the opposite ends of the leaf spring unit in the longitudinal direction to be rotatably coupled to a subframe of the vehicle.
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