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1.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：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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公开(公告)号：US07473479B2
公开(公告)日：2009-01-06
申请号：US11019503
申请日：2004-12-21
CPC分类号： H01M8/04552 , H01M8/04589 , H01M8/0491
摘要： A current limiting system for fuel cells includes a target current limit value setting device which sets a target current limit value for limiting the generated current taken out from the fuel cell stack in accordance with the cell voltage, and a current limit value setting device which sets a current limit value by replacing a present current limit value with the target current limit value when a difference between the present current limit value and the generated current value becomes smaller than a first predetermined value. The system also includes an output device which outputs the current limit value either to a current limiter for limiting the generated current in accordance with the current limit value or to an electric power consumption controller for controlling electric power consumption of loads that consume the generated current.
摘要翻译： 燃料电池的限流系统包括：目标电流限制值设定装置，其根据电池电压设定用于限制从燃料电池堆取出的发电电流的目标电流极限值;以及电流限制值设定装置， 当当前电流限制值和所产生的电流值之间的差变得小于第一预定值时，通过用目标电流限制值代替当前电流限制值来限制电流限制值。 该系统还包括输出装置，该输出装置根据电流限制值将电流限制值输出到用于限制发电电流的限流器，或者输出到用于控制消耗所产生的电流的负载的电力消耗的电力消耗控制器。
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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：US20050142396A1
公开(公告)日：2005-06-30
申请号：US11019503
申请日：2004-12-21
CPC分类号： H01M8/04552 , H01M8/04589 , H01M8/0491
摘要： A current limiting system for fuel cells, which limits electric current generated by a fuel cell stack including a plurality of single cells generating electricity by a chemical reaction between fuel gas and oxidant. The current limiting system includes: a cell voltage detector which detects a cell voltage of each single cell; a current detector which detects a generated current taken out from the fuel cell stack; an input device through which are inputted the cell voltage and the generated current value; a target current limit value setting device which sets a target current limit value for limiting the generated current taken out from the fuel cell stack in accordance with the cell voltage; a current limit value setting device which sets a current limit value by replacing a present current limit value with the target current limit value when a difference between the present current limit value and the generated current value becomes smaller than a first predetermined value; and an output device which outputs the current limit value either to a current limiter for limiting the generated current in accordance with the current limit value or to an electric power consumption controller for controlling electric power consumption of loads that consume the generated current.
摘要翻译： 一种用于燃料电池的电流限制系统，其限制由包括燃料气体和氧化剂之间的化学反应而发电的多个单电池的燃料电池堆产生的电流。 电流限制系统包括：电池电压检测器，其检测每个单电池的电池电压; 电流检测器，其检测从所述燃料电池堆取出的产生的电流; 输入设备，通过该输入设备输入单元电压和所生成的电流值; 目标电流限制值设定装置，其根据电池电压设定用于限制从燃料电池堆取出的发电电流的目标电流极限值; 电流限制值设定装置，其在当前电流限制值与所生成的电流值之间的差变得小于第一预定值时，通过将目前电流限制值替换为目标电流限制值来设定电流限制值; 以及输出装置，其将电流限制值输出到用于限制根据电流限制值的发电电流的限流器，或者输出到用于控制消耗所产生的电流的负载的电力消耗的电力消耗控制器。
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6.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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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：US07399543B2
公开(公告)日：2008-07-15
申请号：US11226663
申请日：2005-09-13
IPC分类号： H01M8/04
CPC分类号： H01M8/04828 , H01M8/04104 , H01M8/04231 , H01M8/04253 , H01M8/0432 , H01M8/04746
摘要： A fuel cell system has a fuel cell having a cathode and an anode; a device for supplying an oxidant gas to the cathode; a device for supplying a fuel gas to the anode; a device for controlling a pressure of the oxidant gas in accordance with an operation state of the fuel cell; a regulator to which a pressure of the oxidant gas is applied as a signal pressure via a signal pressure line, wherein the regulator regulates a pressure of the fuel gas based on the signal pressure; and a device for scavenging the signal pressure line by using a scavenging gas when or after electric power generation is stopped. A device for controlling the signal pressure may be provided in the signal pressure line. Preferably, the scavenging gas has a pressure and a temperature higher than those of the oxidant gas supplied to the cathode.
摘要翻译： 燃料电池系统具有具有阴极和阳极的燃料电池; 用于向阴极供应氧化剂气体的装置; 用于向阳极供应燃料气体的装置; 根据燃料电池的运转状态控制氧化剂气体的压力的装置; 调节器，经由信号压力线施加氧化剂气体的压力作为信号压力，其中所述调节器基于所述信号压力调节所述燃料气体的压力; 以及在发电停止时通过使用清扫气体来清除信号压力线的装置。 用于控制信号压力的装置可以设置在信号压力线中。 优选地，清除气体的压力和温度高于供给阴极的氧化剂气体的压力和温度。
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公开(公告)号：US20060088742A1
公开(公告)日：2006-04-27
申请号：US11226663
申请日：2005-09-13
CPC分类号： H01M8/04828 , H01M8/04104 , H01M8/04231 , H01M8/04253 , H01M8/0432 , H01M8/04746
摘要： A fuel cell system has a fuel cell having a cathode and an anode; a device for supplying an oxidant gas to the cathode; a device for supplying a fuel gas to the anode; a device for controlling a pressure of the oxidant gas in accordance with an operation state of the fuel cell; a regulator to which a pressure of the oxidant gas is applied as a signal pressure via a signal pressure line, wherein the regulator regulates a pressure of the fuel gas based on the signal pressure; and a device for scavenging the signal pressure line by using a scavenging gas when or after electric power generation is stopped. A device for controlling the signal pressure may be provided in the signal pressure line. Preferably, the scavenging gas has a pressure and a temperature higher than those of the oxidant gas supplied to the cathode.
摘要翻译： 燃料电池系统具有具有阴极和阳极的燃料电池; 用于向阴极供应氧化剂气体的装置; 用于向阳极供应燃料气体的装置; 根据燃料电池的运转状态控制氧化剂气体的压力的装置; 调节器，经由信号压力线施加氧化剂气体的压力作为信号压力，其中所述调节器基于所述信号压力调节所述燃料气体的压力; 以及在发电停止时通过使用清扫气体来清除信号压力线的装置。 可以在信号压力线中提供用于控制信号压力的装置。 优选地，清除气体的压力和温度高于供给阴极的氧化剂气体的压力和温度。
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