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公开(公告)号：US07794889B2
公开(公告)日：2010-09-14
申请号：US12242226
申请日：2008-09-30
IPC分类号： H01M8/02
CPC分类号： H01M8/04552 , H01M8/0258 , H01M8/0267 , H01M8/04007 , H01M8/04097 , H01M8/04223 , H01M8/04303 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/045 , H01M8/04507 , H01M8/04671 , H01M8/241
摘要： The invention detects quickly and with high precision abnormalities in fuel cells. In a method of detecting abnormalities in a fuel cell 1 comprising a plurality of unit cells that generate power by supplying hydrogen gas to an anode and supplying air to a cathode of each unit cell, the abnormality in the fuel cell 1 is detected based on the speed of the decrease in the cell voltages after stopping the fuel cell, i.e., after stopping the supply of the reacting gases to the fuel cell.
摘要翻译： 本发明快速检测燃料电池精度异常。 在检测燃料电池1的异常的方法中，包括通过向阳极供给氢气并向每个单元电池的阴极供给空气来发电的多个单电池，基于该单元电池的异常，检测燃料电池1的异常 在停止燃料电池之后的电池电压降低的速度，即在停止向燃料电池供应反应气体之后。
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公开(公告)号：US07445861B2
公开(公告)日：2008-11-04
申请号：US10206016
申请日：2002-07-25
IPC分类号： H01M8/02
CPC分类号： H01M8/04552 , H01M8/0258 , H01M8/0267 , H01M8/04007 , H01M8/04097 , H01M8/04223 , H01M8/04303 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/045 , H01M8/04507 , H01M8/04671 , H01M8/241
摘要： The invention detects quickly and with high precision abnormalities in fuel cells. In a method of detecting abnormalities in a fuel cell 1 comprising a plurality of unit cells that generate power by supplying hydrogen gas to an anode and supplying air to a cathode of each unit cell, the abnormality in the fuel cell 1 is detected based on the speed of the decrease in the cell voltages after stopping the fuel cell, i.e., after stopping the supply of the reacting gases to the fuel cell.
摘要翻译： 本发明快速检测燃料电池精度异常。 在检测燃料电池1的异常的方法中，包括通过向阳极供给氢气并向每个单元电池的阴极供给空气来发电的多个单电池，基于该单元电池的异常，检测燃料电池1的异常 在停止燃料电池之后的电池电压降低的速度，即在停止向燃料电池供应反应气体之后。
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公开(公告)号：US06815104B2
公开(公告)日：2004-11-09
申请号：US10722690
申请日：2003-11-24
申请人： Junji Uehara , Kenichiro Ueda , Yoshikazu Murakami , Masanori Hayashi , Yuji Matsumoto , Daishi Igarashi
发明人： Junji Uehara , Kenichiro Ueda , Yoshikazu Murakami , Masanori Hayashi , Yuji Matsumoto , Daishi Igarashi
IPC分类号： H01M804
CPC分类号： H01M8/04089
摘要： A method for controlling the flow rate of an oxidizer in a fuel cell system having a fuel cell stack being supplied with fuel and the oxidizer, a compressor for supplying the oxidizer to the fuel cell stack, a back pressure valve for controlling pressure of the oxidizer, and a control device for controlling the fuel cell stack, the compressor, and the back pressure valve. The method includes the steps of calculating an oxidizer pressure command and an oxidizer flow rate command based on a given electrical current command, comparing a first flow rate that is defined as an upper limit of oxidizer flow rate and a second flow rate that is defined as a lower limit of oxidizer flow rate with the oxidizer flow rate command, and regulating the oxidizer flow rate command so as to be limited within a range from the second flow rate to the first flow rate.
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公开(公告)号：US20060093880A1
公开(公告)日：2006-05-04
申请号：US11264933
申请日：2005-11-02
申请人： Daishi Igarashi , Yoshikazu Murakami , Junji Uehara , Kenichiro Ueda , Dai Saitoh , Chihiro Wake
发明人： Daishi Igarashi , Yoshikazu Murakami , Junji Uehara , Kenichiro Ueda , Dai Saitoh , Chihiro Wake
IPC分类号： H01M8/04
CPC分类号： H01M8/04343 , H01M8/04328 , H01M8/0435 , H01M8/04358 , H01M8/04365 , H01M8/04552 , H01M8/04873 , H01M8/04955 , H01M8/04992
摘要： A fuel cell system and an idle stop controlling method for the fuel cell system. The fuel cell system includes: a fuel gas supply means for supplying fuel gas; an oxidant gas supply means for supplying oxidant gas; a fuel cell to which the fuel gas and the oxidant gas are supplied for generation of electricity; an idle stop means for stopping generation of electricity by the fuel cell to perform idle stop; and an unstable state detection means for detecting whether the generation of electricity by the fuel cell is unstable. If the unstable state detection means detects that generation of electricity by the fuel cell is unstable, idle stop by the idle stop means is prohibited so that the fuel cell continues to generate electricity.
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5.发明授权Failure determination method for an air supply system in a fuel cell apparatus 失效燃料电池装置中的供气系统的故障判定方法公开(公告)号：US06898964B2
公开(公告)日：2005-05-31
申请号：US10723708
申请日：2003-11-25
CPC分类号： H01M8/04395 , H01M8/04089 , H01M2250/20 , Y02T90/32
摘要： An oxidizing agent supply system failure determination method for a fuel cell for use with a fuel cell apparatus provided with a fuel cell that is supplied with a fuel and an oxidizing agent, and an oxidizing agent supply system that has an oxidizing agent condition adjusting means that adjusts condition of the oxidizing agent supplied to the fuel cell, comprising the step of determining that the oxidizing agent supply system has failed if an absolute value of a difference between an actual value of a supply provided by the oxidizing agent condition adjusting means and a first predetermined value that is compared to the actual value is equal to or greater than a second predetermined value and a predetermined period of time has passed. An oxidizing agent supply system failure determination method for a fuel cell is provided which can maintain the reliability of the fuel cell apparatus.
摘要翻译： 一种与燃料电池装置一起使用的燃料电池的氧化剂供给系统故障判定方法，所述燃料电池装置设置有供给燃料和氧化剂的燃料电池，以及具有氧化剂状态调节装置的氧化剂供给系统， 调整供给到燃料电池的氧化剂的状态，包括如果氧化剂状态调节装置提供的供给的实际值与第一个氧化剂条件调节装置的实际值之间的差绝对值，则确定氧化剂供给系统失败的步骤 与实际值进行比较的预定值等于或大于第二预定值，并且经过预定时间段。 提供了能够维持燃料电池装置的可靠性的燃料电池的氧化剂供给系统故障判定方法。
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6.发明授权Fuel cell system and method of controlling idle stop of the fuel cell system 有权燃料电池系统和控制燃料电池系统怠速停止的方法公开(公告)号：US07618728B2
公开(公告)日：2009-11-17
申请号：US11264933
申请日：2005-11-02
申请人： Daishi Igarashi , Yoshikazu Murakami , Junji Uehara , Kenichiro Ueda , Dai Saitoh , Chihiro Wake
发明人： Daishi Igarashi , Yoshikazu Murakami , Junji Uehara , Kenichiro Ueda , Dai Saitoh , Chihiro Wake
IPC分类号： H01M8/04
CPC分类号： H01M8/04343 , H01M8/04328 , H01M8/0435 , H01M8/04358 , H01M8/04365 , H01M8/04552 , H01M8/04873 , H01M8/04955 , H01M8/04992
摘要： A fuel cell system and an idle stop controlling method for the fuel cell system. The fuel cell system includes: a fuel gas supply means for supplying fuel gas; an oxidant gas supply means for supplying oxidant gas; a fuel cell to which the fuel gas and the oxidant gas are supplied for generation of electricity; an idle stop means for stopping generation of electricity by the fuel cell to perform idle stop; and an unstable state detection means for detecting whether the generation of electricity by the fuel cell is unstable. If the unstable state detection means detects that generation of electricity by the fuel cell is unstable, idle stop by the idle stop means is prohibited so that the fuel cell continues to generate electricity.
摘要翻译： 一种用于燃料电池系统的燃料电池系统和怠速停止控制方法。 燃料电池系统包括：用于供应燃料气体的燃料气体供应装置; 用于供给氧化剂气体的氧化剂气体供给装置; 提供燃料气体和氧化剂气体用于发电的燃料电池; 怠速停止装置，用于停止燃料电池的发电以进行怠速停止; 以及用于检测燃料电池的电力产生是否不稳定的不稳定状态检测装置。 如果不稳定状态检测装置检测到燃料电池的发电不稳定，则怠速停止装置的怠速停止被禁止，使得燃料电池继续发电。
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公开(公告)号：US07851099B2
公开(公告)日：2010-12-14
申请号：US11019723
申请日：2004-11-19
IPC分类号： H01M8/04
CPC分类号： H01M8/04111 , H01M8/04097 , H01M8/0432 , H01M8/04335 , H01M8/0438 , H01M8/04395 , H01M8/04753
摘要： A fuel cell system includes: a fuel cell which generates electricity by supplying hydrogen to an anode electrode, and a reaction gas to a cathode electrode, an anode gas supply device which supplies hydrogen to the anode electrode, and a cathode gas supply device which drives a compressor using electric power generated by the fuel cell, and supplies pressurized reaction gas to the cathode electrode. The fuel cell system further includes a target pressure setting device which sets a target value for cathode pressure of the fuel cell, a correction device which corrects the target value in accordance with atmospheric pressure, and a control device which controls the cathode pressure of the fuel cell to the corrected target value. Efficient electric power generation can be performed in accordance with the ambient environment.
摘要翻译： 燃料电池系统包括：通过向阳极供给氢而产生电力的燃料电池和向阴极电极的反应气体，向阳极电极供给氢的阳极气体供给装置以及驱动 使用由燃料电池产生的电力的压缩机，并向阴极供给加压反应气体。 燃料电池系统还包括目标压力设定装置，其设定燃料电池的阴极压力的目标值，根据大气压力校正目标值的校正装置，以及控制燃料的阴极压力的控制装置 单元格修正目标值。 可以根据周围环境进行有效的发电。
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公开(公告)号：US20050118467A1
公开(公告)日：2005-06-02
申请号：US11019723
申请日：2004-11-19
CPC分类号： H01M8/04111 , H01M8/04097 , H01M8/0432 , H01M8/04335 , H01M8/0438 , H01M8/04395 , H01M8/04753
摘要： A fuel cell system includes: a fuel cell which generates electricity by supplying hydrogen to an anode electrode, and a reaction gas to a cathode electrode, an anode gas supply device which supplies hydrogen to the anode electrode, and a cathode gas supply device which drives a compressor using electric power generated by the fuel cell, and supplies pressurized reaction gas to the cathode electrode. The fuel cell system further includes a target pressure setting device which sets a target value for cathode pressure of the fuel cell, a correction device which corrects the target value in accordance with atmospheric pressure, and a control device which controls the cathode pressure of the fuel cell to the corrected target value. Efficient electric power generation can be performed in accordance with the ambient environment.
摘要翻译： 燃料电池系统包括：通过向阳极供给氢而产生电力的燃料电池和向阴极电极的反应气体，向阳极电极供给氢的阳极气体供给装置以及驱动 使用由燃料电池产生的电力的压缩机，并向阴极供给加压反应气体。 燃料电池系统还包括目标压力设定装置，其设定燃料电池的阴极压力的目标值，根据大气压力校正目标值的校正装置，以及控制燃料的阴极压力的控制装置 单元格修正目标值。 可以根据周围环境进行有效的发电。
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公开(公告)号：US20050196654A1
公开(公告)日：2005-09-08
申请号：US11071678
申请日：2005-03-02
申请人： Shigeru Inai , Katsumi Hayashi , Hiromichi Yoshida , Hideo Kato , Ryo Jinba , Nobuyuki Matsumoto , Tomoki Kobayashi , Yasunori Kotani , Minoru Uoshima , Yoshikazu Murakami
发明人： Shigeru Inai , Katsumi Hayashi , Hiromichi Yoshida , Hideo Kato , Ryo Jinba , Nobuyuki Matsumoto , Tomoki Kobayashi , Yasunori Kotani , Minoru Uoshima , Yoshikazu Murakami
CPC分类号： H01M8/04231 , H01M8/04126
摘要： A fuel cell system includes a fuel cell, an oxidant gas passage, a cathode off-gas passage, a fuel gas passage, a circulation passage, an anode off-gas passage, a fuel shutoff valve, a supply device, a humidifier and a control device. The supply device supplies a scavenging gas, which is for scavenging the fuel cell, to the anode and the cathode. The humidifier humidifies the scavenging gas. The control device controls the supply device when the fuel cell is turned off so that supply of the fuel gas to the anode is shut off and the scavenging gas is supplied to the anode and the cathode, wherein supply of the scavenging gas to the cathode is conducted through the humidifier.
摘要翻译： 燃料电池系统包括燃料电池，氧化剂气体通道，阴极废气通道，燃料气体通道，循环通道，阳极废气通道，燃料截止阀，供应装置，加湿器和 控制装置 供给装置将用于清除燃料电池的清除气体提供给阳极和阴极。 加湿器加湿清除气体。 当燃料电池关闭时，控制装置控制供应装置，使得向阳极供应燃料气体被切断，并且清除气体被供应到阳极和阴极，其中向阴极供应清扫气体是 通过加湿器进行。
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公开(公告)号：US07563528B2
公开(公告)日：2009-07-21
申请号：US11071678
申请日：2005-03-02
申请人： Shigeru Inai , Katsumi Hayashi , Hiromichi Yoshida , Hideo Kato , Ryo Jinba , Nobuyuki Matsumoto , Tomoki Kobayashi , Yasunori Kotani , Minoru Uoshima , Yoshikazu Murakami
发明人： Shigeru Inai , Katsumi Hayashi , Hiromichi Yoshida , Hideo Kato , Ryo Jinba , Nobuyuki Matsumoto , Tomoki Kobayashi , Yasunori Kotani , Minoru Uoshima , Yoshikazu Murakami
CPC分类号： H01M8/04231 , H01M8/04126
摘要： A fuel cell system includes a fuel cell, an oxidant gas passage, a cathode off-gas passage, a fuel gas passage, a circulation passage, an anode off-gas passage, a fuel shutoff valve, a supply device, a humidifier and a control device. The supply device supplies a scavenging gas, which is for scavenging the fuel cell, to the anode and the cathode. The humidifier humidifies the scavenging gas. The control device controls the supply device when the fuel cell is turned off so that supply of the fuel gas to the anode is shut off and the scavenging gas is supplied to the anode and the cathode, wherein supply of the scavenging gas to the cathode is conducted through the humidifier.
摘要翻译： 燃料电池系统包括燃料电池，氧化剂气体通道，阴极废气通道，燃料气体通道，循环通道，阳极废气通道，燃料截止阀，供应装置，加湿器和 控制装置 供给装置将用于清除燃料电池的清除气体提供给阳极和阴极。 加湿器加湿清除气体。 当燃料电池关闭时，控制装置控制供应装置，使得向阳极供应燃料气体被切断，并且清除气体被供应到阳极和阴极，其中向阴极供应清扫气体是 通过加湿器进行。
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