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公开(公告)号：US11637297B2
公开(公告)日：2023-04-25
申请号：US17450281
申请日：2021-10-07
IPC分类号： H01M8/04119 , H01M8/04223 , H01M8/04082 , H01M8/04291 , H01M8/1004
摘要： A fuel cell system includes a fuel cell, a cathode off-gas discharge channel, a gas-liquid separator, and a cover member. The gas-liquid separator includes a body, a first discharge channel including a first valve seat at an end, and a first valve device including a first valve element and a first driver. The cover member covers at least the first discharge channel and the first valve seat in the gas-liquid separator, and includes a gas channel defining portion that defines a gas channel communicating with the cathode off-gas discharge channel between the cover member and the gas-liquid separator. The gas channel is configured such that a cathode off-gas flowing into the cover member comes into contact with the first discharge channel and the first valve seat and does not come into contact with the first driver.
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公开(公告)号：US10179520B2
公开(公告)日：2019-01-15
申请号：US15827365
申请日：2017-11-30
IPC分类号： B60L11/18 , H01M8/2475
摘要： A fuel cell vehicle comprises a fuel cell module, a vehicle body frame, a plurality of mounting portions and a tank. A front portion of the vehicle body frame that a front side mounting portion is attached to is configured to be movable upward in a vehicle height direction when a load is applied in the vehicle longitudinal direction. A rear side mounting portion configured to mount a rear side of the fuel cell module in the vehicle longitudinal direction to the vehicle body frame is configured to be more easily breakable, compared with the front side mounting portion, when the load is applied in the vehicle longitudinal direction.
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公开(公告)号：US10559841B2
公开(公告)日：2020-02-11
申请号：US15622494
申请日：2017-06-14
IPC分类号： H01M8/247 , H01M8/2475 , H01M8/0232 , H01M8/0239 , H01M8/025 , H01M8/242 , H01M8/1018
摘要： There is provided a fuel cell comprising a cell stacked body and a case configured to surround at least stacked body side faces of the cell stacked body. The case comprises a first case configured to include a first case side wall and a pair of first opposed side walls that are arranged to rise from a circumference of the first case side wall such as to have a draft angle; and a second case configured to include a second case side wall and a pair of second opposed side walls that are arranged to rise from a circumference of the second case side wall such as to have a draft angle. A first edge of each of the first opposed side walls is joined with a second edge of each of the second opposed side walls. This configuration suppresses size expansion of the fuel cell.
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公开(公告)号：US11728503B2
公开(公告)日：2023-08-15
申请号：US17451074
申请日：2021-10-15
发明人： Daisuke Ishikawa , Hiroaki Nishiumi
IPC分类号： H01M8/2475 , H01M8/04082 , H01M8/04029
CPC分类号： H01M8/2475 , H01M8/04029 , H01M8/04201
摘要： A fuel cell module includes a fuel cell stack, a plurality of accessories, a plurality of maintenance components, and a frame. The frame has a three-dimensional structure having an internal space. The fuel cell stack and the accessories are fixed to the frame in a state where they are accommodated in the internal space. In a plan view of the fuel cell module, the maintenance components are fixed to the frame in a state where the maintenance components are placed in an external space formed on one side from the frame from among external spaces formed outside the internal space.
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公开(公告)号：US09985300B2
公开(公告)日：2018-05-29
申请号：US14923739
申请日：2015-10-27
发明人： Yutaka Hotta , Hiroaki Nishiumi , Tateki Takayama
IPC分类号： H01M8/02 , H01M8/24 , H01M8/0202 , H01M8/2418 , H01M8/1018
CPC分类号： H01M8/0202 , H01M8/2418 , H01M2008/1095 , H01M2250/20 , Y02T90/32
摘要： In order to prevent a reduction in workability when inserting an insulator, the insulator is to be disposed between a stacked body having a cell stack including a plurality of stacked unit cells and an end member to be disposed outward from the cell stack in stacking directions of the plurality of unit cells, and a covering to be disposed so as to separate in a perpendicular direction to the stacking directions from a side face of the stacked body parallel to the stacking directions. In a state where an end portion of the end member in the perpendicular direction is closer to the covering than an end portion of the cell stack in the perpendicular direction, and the insulator is disposed between the stacked body and the covering, the insulator includes a planar portion for covering at least a part of the side face, and a protruded portion disposed in the planar portion and protruded toward one or more unit cells near the end member among the plurality of unit cells constituting the cell stack.
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公开(公告)号：US11225152B2
公开(公告)日：2022-01-18
申请号：US16676594
申请日：2019-11-07
发明人： Daisuke Ishikawa , Hiroaki Nishiumi
IPC分类号： B60L50/72 , B62D21/15 , H01M8/2475
摘要： A fuel cell vehicle capable of determining, when a fuel cell vehicle collides with a rigid body, whether a stack is damaged by a visual observation at a low cost. A fuel cell vehicle includes: a fragile part configured to be located so as to come into contact with a side surface of the stack frame that is orthogonal to a direction in which cells in the stack are stacked, and be deformed when a preset collision force causing damage to a stack is applied; and a deformation part configured to form a part of the vehicle body, and be deformed and come into contact with the fragile part when a collision force is applied to the vehicle body.
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公开(公告)号：US10919576B2
公开(公告)日：2021-02-16
申请号：US15949442
申请日：2018-04-10
发明人： Hiroaki Nishiumi , Yugo Ichida
IPC分类号： H01M8/2465 , B62D21/15 , B60L50/71 , B60K1/00 , B62D21/11
摘要： A vehicle includes: a front room disposed at a front portion of the vehicle in the vehicle in a vehicle-longitudinal direction; a fuel cell stack disposed in the front room, the fuel cell stack including multiple cells stacked in the vehicle-longitudinal direction; and a buffer member disposed in front of the fuel cell stack in the vehicle-longitudinal direction.
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公开(公告)号：US10468705B2
公开(公告)日：2019-11-05
申请号：US14932542
申请日：2015-11-04
发明人： Hiroaki Nishiumi
IPC分类号： H01M8/2475 , H01M8/248
摘要： A fuel cell case that is configured to place a fuel cell therein, the fuel cell case includes: a first member including a bottom surface of the fuel cell case; and a second member fixed to an outer circumferential portion of the first member using a fastener, wherein a gasket seals between the first member and the second member, and the first member includes a rib, wherein the rib is positioned on an inner circumferential side of a portion where the first member comes into contact, with the gasket and is protruded upward from a surface where the first member comes into contact with the gasket.
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公开(公告)号：US11652222B2
公开(公告)日：2023-05-16
申请号：US17443490
申请日：2021-07-27
发明人： Takami Hosoi , Hiroaki Nishiumi
IPC分类号： H01M8/04119 , H01M8/04082 , B60L50/71 , H01M8/04858
CPC分类号： H01M8/04164 , B60L50/71 , H01M8/04201 , H01M8/04925 , H01M2250/20
摘要： A fuel cell system includes a fuel cell stack having a hydrogen hole in which hydrogen gas passes, a hydrogen-related auxiliary machine, and a hydrogen pipe that connects the hydrogen hole and the hydrogen-related auxiliary machine. The hydrogen pipe includes a liquid retention part that is located below the hydrogen hole, and a connecting point between the hydrogen pipe and the hydrogen-related auxiliary machine in a gravity direction.
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公开(公告)号：US10991958B2
公开(公告)日：2021-04-27
申请号：US16410343
申请日：2019-05-13
IPC分类号： H01M8/04007 , H01M8/04119 , H01M8/1004 , H01M8/24 , H01M8/04089 , H01M8/04223
摘要： A gas and water discharge unit for a fuel cell system that can be prevented from freezing even when it is formed using resin material. The unit includes a gas-liquid separator for separating produced water from fuel off-gas discharged from a fuel cell device, a gas and water discharge valve disposed downstream of the gas-liquid separator, and a resin unit body integrally formed with the gas-liquid separator and the gas and water discharge valve, in which the inside of the unit body includes a first channel with a valve seal at an end thereof on the gas and water discharge valve side, the first channel allowing communication between the gas-liquid separator and the gas and water discharge valve, a second channel communicating with the first channel via the gas and water discharge valve, and a heated water channel surrounding at least one of the first or second channel.
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