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公开(公告)号：US20160141693A1
公开(公告)日：2016-05-19
申请号：US14934632
申请日：2015-11-06
发明人： Yutaka HOTTA , Michitaro Itoga , Tateki Takayama
CPC分类号： H01M8/04164 , B01D45/08 , H01M2250/20 , Y02T90/32
摘要： The gas liquid separator comprises a gas liquid separator-forming portion formed in an end plate of a fuel cell to have an opening at an end face of the end plate and that constitutes part of the gas liquid separator; and a cover member located to cover the opening and is combined with the gas liquid separator-forming portion to constitute the gas liquid separator. The gas liquid separator-forming portion includes a first inner wall portion provided to serve as a flow path of the off-gas and form part of a reservoir and that is configured to include an off-gas outlet, to be connected with the opening and to be formed concave in a thickness direction of the end plate; and a surrounding portion protruded from the first inner wall portion along a first direction from the gas liquid separator-forming portion toward the cover member to surround the off-gas outlet.
摘要翻译： 气液分离器包括形成在燃料电池的端板中的气液分离器形成部，在端板的端面具有开口，构成气液分离器的一部分; 以及盖构件，其覆盖所述开口并与所述气液分离器形成部组合以构成所述气液分离器。 气液分离器形成部分包括设置成用作废气的流动路径并形成储存器的一部分的第一内壁部分，其被构造成包括与开口连接的废气出口， 在端板的厚度方向上形成为凹形; 以及从所述第一内壁部沿着第一方向从所述气液分离器形成部向所述盖部件突出以包围所述废气出口的周围部。
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公开(公告)号：US11114683B2
公开(公告)日：2021-09-07
申请号：US16701384
申请日：2019-12-03
发明人： Michitaro Itoga
IPC分类号： H01M8/04746 , H01M8/04858
摘要： An FC (fuel cell) system includes: a compressor supplying air to a CE (cathode electrode) of FC; an OV (outlet valve) connected to a discharge port through which air is discharged from CE; an injector supplying hydrogen gas to an AE (anode electrode) of FC; a CP (circulation pump) provided in a circulation path that returns the hydrogen gas discharged from AE to AE; and a controller controlling power generation of FC. In a case of removing a component that allows air to enter CE when removed, before the component is removed, the controller executes a first step of opening OV, driving the compressor, and supplying air to CE, and a second step of driving CP to cause hydrogen gas that remains inside AE and the circulation path to be circulated in a state in which the hydrogen gas is not supplied to AE from the injector.
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公开(公告)号：US09761893B2
公开(公告)日：2017-09-12
申请号：US14772955
申请日：2014-09-29
发明人： Michitaro Itoga
IPC分类号： H01M8/02 , H01M8/04 , H01M8/24 , H01M8/2475 , H01M8/04007 , H01M8/1018
CPC分类号： H01M8/04 , H01M8/02 , H01M8/04007 , H01M8/2475 , H01M2008/1095 , H01M2250/20 , Y02T90/32
摘要： A fuel cell case containing a fuel cell stack includes a side face that has an opening for ventilation; a frame body that is located outside of the case along the periphery of the opening; and a louver that is fixed to inside of the frame body. The louver has a plurality of blades arranged to be separated from one another. The fuel cell case also has a projection that is protruded outward of the case in a predetermined range including at least a region located on a gas blow direction side of the louver in an inner peripheral portion of the frame body. This configuration reduces the likelihood that an elongated material such as wire comes into contact with a high-voltage component relevant to the fuel cell inside of the case.
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公开(公告)号：US10727522B2
公开(公告)日：2020-07-28
申请号：US14928292
申请日：2015-10-30
发明人： Michitaro Itoga
IPC分类号： H01M8/24 , H01M8/2475
摘要： To reduce a manufacturing cost on anodization in an aluminum-type fuel cell case, a method of manufacturing a fuel cell case made of one of aluminum and aluminum alloy and for accommodating a fuel cell is provided, which includes forming, in a fuel cell case, through-holes for receiving pins when the fuel cell case is mounted on a vehicle, and forming alumite on a surface of the fuel cell case by anodizing the surface using the through-hole as a contact.
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公开(公告)号：US09809099B2
公开(公告)日：2017-11-07
申请号：US15023502
申请日：2014-09-29
发明人： Michitaro Itoga
IPC分类号： B60K1/04 , H01M8/2475 , B60L11/18
CPC分类号： B60K1/04 , B60K2001/0411 , B60K2001/0438 , B60L11/1896 , H01M8/2475 , H01M2250/20 , Y02E60/50 , Y02T90/32
摘要： A fuel cell vehicle which a fuel cell stack is mounted on comprises a stack case that is configured to place the fuel cell stack therein; mounts that are configured to fix the stack case to a vehicle body; ribs, each being provided to be extended from a position adjacent to the mount across an upper surface of the stack case; and a damping member that is provided between adjacent ribs on the upper surface of the stack case. The damping member is a material formed by applying an aluminum sheet on butyl rubber. This configuration reduces the noise and damps the vibration.
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公开(公告)号：US10601057B2
公开(公告)日：2020-03-24
申请号：US15782231
申请日：2017-10-12
发明人： Michitaro Itoga
IPC分类号： H01M8/04 , H01M8/2457 , B60L50/72 , B60L3/00 , H01M8/04082 , H01M8/04119 , H01M8/04089 , H01M8/242 , H01M8/22
摘要： The fuel cell system includes: a fuel cell stack, a hydrogen inlet, a hydrogen outlet, an air inlet, and an air outlet; a hydrogen supply flow path; a hydrogen circulation flow path for circulating gas from the hydrogen outlet to a merging point of the hydrogen supply flow path; a hydrogen pump on the hydrogen circulation flow path; and a gas-liquid separator on the hydrogen circulation flow path. The hydrogen inlet is positioned above the hydrogen outlet, the air inlet is positioned on an upper side of the air outlet, and a direction of connection between the hydrogen inlet and the hydrogen outlet and a direction of connection between the air inlet and the air outlet intersect each other. An upper end of the hydrogen pump is positioned below the stack. The gas-liquid separator is provided at the lowest site of the hydrogen circulation flow path.
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公开(公告)号：US10044052B2
公开(公告)日：2018-08-07
申请号：US14934632
申请日：2015-11-06
发明人： Yutaka Hotta , Michitaro Itoga , Tateki Takayama
IPC分类号： H01M8/04119 , B01D45/08
摘要： The gas liquid separator comprises a gas liquid separator-forming portion formed in an end plate of a fuel cell to have an opening at an end face of the end plate and that constitutes part of the gas liquid separator; and a cover member located to cover the opening and is combined with the gas liquid separator-forming portion to constitute the gas liquid separator. The gas liquid separator-forming portion includes a first inner wall portion provided to serve as a flow path of the off-gas and form part of a reservoir and that is configured to include an off-gas outlet, to be connected with the opening and to be formed concave in a thickness direction of the end plate; and a surrounding portion protruded from the first inner wall portion along a first direction from the gas liquid separator-forming portion toward the cover member to surround the off-gas outlet.
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公开(公告)号：US11233252B2
公开(公告)日：2022-01-25
申请号：US16661231
申请日：2019-10-23
IPC分类号： H01M8/04082 , B60L50/72 , H01M50/147 , H01M50/543
摘要： A fuel cell case includes: a casing portion provided with a through hole that communicates between an internal space for accommodating a fuel cell stack and outside of the casing portion; a lid portion attached to an outer surface of the casing portion by a first connection portion so as to close the through hole; and a cover portion arranged on the lid portion and attached to the outer surface of the casing portion. It is configured that at least one of the lid portion and the first connection portion is fractured when an internal pressure of the casing portion is increased to be equal to or higher than a predetermined pressure and that the cover portion remains to be attached to the casing portion even after at least one of the lid portion and the first connection portion is fractured.
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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：US10236520B2
公开(公告)日：2019-03-19
申请号：US14939631
申请日：2015-11-12
发明人： Yutaka Hotta , Michitaro Itoga , Tateki Takayama
IPC分类号： H01M8/04119 , B01D19/00 , H01M8/248
摘要： A gas-liquid separator includes a gas-liquid separator forming portion that is provided in an end plate, and a cover member. The gas-liquid separator forming portion includes a first inner wall portion that serves as a flow path for an off-gas and forms a part of an accumulating portion, the first inner wall portion having a shape recessed in a thickness direction of the end plate. The cover member includes a second inner wall portion that has a shape recessed in a thickness direction of the cover member, the second inner wall portion being disposed to face the first inner wall portion in a stack direction and forming the accumulating portion together with the first inner wall portion.
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