公开(公告)号：US07399543B2

公开(公告)日：2008-07-15

申请号：US11226663

申请日：2005-09-13

申请人： Yasunori Kotani ,  Tomoki Kobayashi ,  Minoru Uoshima ,  Chihiro Wake ,  Yoshikazu Murakami

发明人： Yasunori Kotani ,  Tomoki Kobayashi ,  Minoru Uoshima ,  Chihiro Wake ,  Yoshikazu Murakami

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。

公开(公告)号：US07846596B2

公开(公告)日：2010-12-07

申请号：US11267521

申请日：2005-11-03

申请人： Chihiro Wake ,  Tomoki Kobayashi ,  Yasunori Kotani ,  Minoru Uoshima ,  Kenichiro Ueda ,  Koichiro Miyata

发明人： Chihiro Wake ,  Tomoki Kobayashi ,  Yasunori Kotani ,  Minoru Uoshima ,  Kenichiro Ueda ,  Koichiro Miyata

IPC分类号： H01M8/04

CPC分类号： H01M8/04231 ,  H01M8/04097

摘要： A fuel cell system enables time required for purging to be reduced without a major increase in discharge gas concentration at a time of purging. It comprises a fuel cell; a fuel gas supply path for supplying the fuel gas to an anode; an oxidizing gas supply path for supplying an oxidizing gas to a cathode; a fuel gas circulating path for returning an unreacted fuel gas to an anode inlet side; a dilution box for diluting the fuel gas by the oxidizing gas and for discharging it to outside; and a fuel gas discharge path connecting the fuel gas circulating path and a dilution box discharge gas inlet. A drain valve, a purge valve and an air discharge valve are provided, opening areas of which are different from one another. The drain valve with a smallest opening area is initially opened.

摘要翻译： 燃料电池系统使清洗时所需的时间减少，而不会在清洗时排放气体浓度大幅增加。 它包括燃料电池; 用于将燃料气体供给到阳极的燃料气体供给路径; 用于向阴极供给氧化气体的氧化气体供给路径; 用于将未反应的燃料气体返回到阳极入口侧的燃料气体循环路径; 用于通过氧化气体稀释燃料气体并将其排出到外部的稀释盒; 以及连接燃料气体循环路径和稀释箱排出气体入口的燃料气体排出路径。 设有排水阀，净化阀和排气阀，其开口区域彼此不同。 最初打开面积最小的排水阀。

公开(公告)号：US20060099466A1

公开(公告)日：2006-05-11

申请号：US11267521

申请日：2005-11-03

申请人： Chihiro Wake ,  Tomoki Kobayashi ,  Yasunori Kotani ,  Minoru Uoshima ,  Kenichiro Ueda ,  Koichiro Miyata

发明人： Chihiro Wake ,  Tomoki Kobayashi ,  Yasunori Kotani ,  Minoru Uoshima ,  Kenichiro Ueda ,  Koichiro Miyata

IPC分类号： H01M8/00 ,  H01M8/04

CPC分类号： H01M8/04231 ,  H01M8/04097

摘要： A fuel cell system enables time required for purging to be reduced without a major increase in discharge gas concentration at a time of purging. It comprises a fuel cell; a fuel gas supply path for supplying the fuel gas to an anode; an oxidizing gas supply path for supplying an oxidizing gas to a cathode; a fuel gas circulating path for returning an unreacted fuel gas to an anode inlet side; a dilution box for diluting the fuel gas by the oxidizing gas and for discharging it to outside; and a fuel gas discharge path connecting the fuel gas circulating path and a dilution box discharge gas inlet. A drain valve, a purge valve and an air discharge valve are provided, opening areas of which are different from one another. The drain valve with a smallest opening area is initially opened.

摘要翻译： 燃料电池系统使清洗时所需的时间减少，而不会在清洗时排放气体浓度大幅增加。 它包括燃料电池; 用于将燃料气体供给到阳极的燃料气体供给路径; 用于向阴极供给氧化气体的氧化气体供给路径; 用于将未反应的燃料气体返回到阳极入口侧的燃料气体循环路径; 用于通过氧化气体稀释燃料气体并将其排出到外部的稀释盒; 以及连接燃料气体循环路径和稀释箱排出气体入口的燃料气体排出路径。 设有排水阀，净化阀和排气阀，其开口区域彼此不同。 最初打开面积最小的排水阀。

公开(公告)号：US07597974B2

公开(公告)日：2009-10-06

申请号：US11106882

申请日：2005-04-14

申请人： Kenichiro Ueda ,  Tomoki Kobayashi ,  Shigeru Inai ,  Minoru Uoshima ,  Yasunori Kotani ,  Yoshikazu Murakami

发明人： Kenichiro Ueda ,  Tomoki Kobayashi ,  Shigeru Inai ,  Minoru Uoshima ,  Yasunori Kotani ,  Yoshikazu Murakami

IPC分类号： H01M8/00 ,  H01M8/04 ,  H01M8/12

CPC分类号： H01M8/04761 ,  H01M8/04223 ,  H01M8/04303 ,  H01M8/04388

摘要： The fuel cell system is equipped with a fuel cell for generating power by a reaction of fuel and oxidizer gases, a fuel gas flow passage for passing the fuel gas, an oxidizer gas flow passage for passing the oxidizer gas, a sweeping gas supply mechanism for sweeping any of the fuel and oxidizer gas flow passages by a sweeping gas, a sweeping determination mechanism for determining whether to perform sweeping by the sweeping gas supply mechanism, when receiving a stop request for stopping the fuel cell system, a pressure reduction mechanism for reducing a pressure within one of the flow passages lower than when determined not to perform the sweeping, when determined to perform the sweeping by the sweeping determination mechanism, and an actuation mechanism for actuating the sweeping gas supply mechanism after the pressure within the flow passage is reduced by the pressure reduction mechanism.

摘要翻译： 燃料电池系统配备有用于通过燃料和氧化剂气体的反应产生动力的燃料电池，用于使燃料气体通过的燃料气体流动通道，用于使氧化剂气体通过的氧化剂气体流动通道，用于 通过清扫气体清扫任何燃料和氧化剂气体流动通道，用于在接收到用于停止燃料电池系统的停止请求时，确定是否执行扫掠气体供给机构的清扫的清扫确定机构，用于减少 一个流道内的压力低于当确定不执行清扫时的压力，当被确定为通过清扫确定机构执行清扫时，以及用于在流动通道内的压力减小之后致动清扫气体供应机构的致动机构 通过减压机构。

公开(公告)号：US20050255346A1

公开(公告)日：2005-11-17

申请号：US11106882

申请日：2005-04-14

申请人： Kenichiro Ueda ,  Tomoki Kobayashi ,  Shigeru Inai ,  Minoru Uoshima ,  Yasunori Kotani ,  Yoshikazu Murakami

发明人： Kenichiro Ueda ,  Tomoki Kobayashi ,  Shigeru Inai ,  Minoru Uoshima ,  Yasunori Kotani ,  Yoshikazu Murakami

IPC分类号： H01M8/04 ,  H01M8/12

CPC分类号： H01M8/04761 ,  H01M8/04223 ,  H01M8/04303 ,  H01M8/04388

摘要： The fuel cell system is equipped with a fuel cell for generating power by a reaction of fuel and oxidizer gases; a fuel gas flow passage for passing the fuel gas; an oxidizer gas flow passage for passing the oxidizer gas; a sweeping gas supply mechanism for sweeping any of the fuel and oxidizer gas flow passages by a sweeping gas; a sweeping determination mechanism for determining whether to perform sweeping by the sweeping gas supply mechanism, when receiving a stop request for stopping the fuel cell system; a pressure reduction mechanism for reducing a pressure within one of the flow passages lower than when determined not to perform the sweeping, when determined to perform the sweeping by the sweeping determination mechanism; and an actuation mechanism for actuating the sweeping gas supply mechanism after the pressure within the flow passage is reduced by the pressure reduction mechanism.

摘要翻译： 燃料电池系统配备有用于通过燃料和氧化剂气体的反应发电的燃料电池; 用于使燃料气体通过的燃料气体流路; 用于使氧化剂气体通过的氧化剂气体流路; 用于通过清扫气体清扫任何燃料和氧化剂气体流动通道的清扫气体供给机构; 当接收到用于停止燃料电池系统的停止请求时，确定是否执行扫掠气体供给机构的清扫的清扫确定机构; 当确定为通过清扫确定机构进行清扫时，减小一个流动通道内的压力比当被确定为不执行扫掠时的压力降低机构; 以及用于通过减压机构减小在流路内的压力之后致动清扫气体供给机构的致动机构。

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

IPC分类号： H01M8/00 ,  H01M8/04 ,  H01M8/12

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。

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

IPC分类号： H01M8/10 ,  H01M8/04 ,  H01M8/12

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。

公开(公告)号：US07282286B2

公开(公告)日：2007-10-16

申请号：US10723622

申请日：2003-11-25

申请人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

发明人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

IPC分类号： H01M8/04

CPC分类号： H01M8/04231 ,  H01M8/04007 ,  H01M8/04097 ,  H01M8/04358 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04462 ,  H01M8/04552 ,  H01M8/04582 ,  H01M8/04589 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04955 ,  H01M8/0662

摘要： A start-up method for a fuel cell system that includes a fuel cell that carries out power generation by the electrochemical reaction between a fuel gas and the oxygen gas in the air; a fuel gas discharge path and a fuel gas supply path that are connected to the fuel cell; a fuel gas circulation path in which the fuel gas discharge path merges with the fuel gas supply path; and a purge valve provided on the fuel gas circulation path in order to discharge the circulating fuel gas from the fuel gas circulation path. The method includes the steps of opening the purge valve at the same time that the fuel gas is supplied to the fuel cell and replacing the nitrogen gas that originates in the air and is present in the fuel gas circulation path by fuel gas; and closing the purge valve after the nitrogen gas in the fuel gas circulation path has been replaced by the fuel gas.

摘要翻译： 一种燃料电池系统的启动方法，其包括通过燃料气体和空气中的氧气之间的电化学反应进行发电的燃料电池; 与燃料电池连接的燃料气体排出路径和燃料气体供给路径; 燃料气体排出路与燃料气体供给路合流的燃料气体循环路径; 以及设置在燃料气体循环路径上以从燃料气体循环路径排出循环燃料气体的净化阀。 该方法包括以下步骤：在将燃料气体供应到燃料电池的同时打开吹扫阀，并且用燃料气体替换存在于燃料气体循环路径中的空气中的氮气; 并且在燃料气体循环路径中的氮气已经被燃料气体代替之后关闭净化阀。

公开(公告)号：US08288044B2

公开(公告)日：2012-10-16

申请号：US13370929

申请日：2012-02-10

申请人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

发明人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

IPC分类号： H01M8/04

CPC分类号： H01M8/04231 ,  H01M8/04007 ,  H01M8/04097 ,  H01M8/04358 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04462 ,  H01M8/04552 ,  H01M8/04582 ,  H01M8/04589 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04955 ,  H01M8/0662

摘要： A start-up method for a fuel cell system that includes a fuel cell that carries out power generation by the electrochemical reaction between a fuel gas and the oxygen gas in the air; a fuel gas discharge path and a fuel gas supply path that are connected to the fuel cell; a fuel gas circulation path in which the fuel gas discharge path merges with the fuel gas supply path; and a purge valve provided on the fuel gas circulation path in order to discharge the circulating fuel gas from the fuel gas circulation path. The method includes the steps of opening the purge valve at the same time that the fuel gas is supplied to the fuel cell and replacing the nitrogen gas that originates in the air and is present in the fuel gas circulation path by fuel gas; and closing the purge valve after the nitrogen gas in the fuel gas circulation path has been replaced by the fuel gas.

摘要翻译： 一种燃料电池系统的启动方法，其包括通过燃料气体和空气中的氧气之间的电化学反应进行发电的燃料电池; 与燃料电池连接的燃料气体排出路径和燃料气体供给路径; 燃料气体排出路与燃料气体供给路合流的燃料气体循环路径; 以及设置在燃料气体循环路径上以从燃料气体循环路径排出循环燃料气体的净化阀。 该方法包括以下步骤：在将燃料气体供应到燃料电池的同时打开吹扫阀，并且用燃料气体替换存在于燃料气体循环路径中的空气中的氮气; 并且在燃料气体循环路径中的氮气已经被燃料气体代替之后关闭净化阀。

公开(公告)号：US20080176116A1

公开(公告)日：2008-07-24

申请号：US11805182

申请日：2007-05-21

申请人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

发明人： Masanori Hayashi ,  Kenichiro Ueda ,  Yoshio Hosono ,  Minoru Uoshima ,  Junji Uehara ,  Tomoki Kobayashi ,  Yuji Matsumoto ,  Chihiro Wake

IPC分类号： H01M8/04

CPC分类号： H01M8/04231 ,  H01M8/04007 ,  H01M8/04097 ,  H01M8/04358 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04462 ,  H01M8/04552 ,  H01M8/04582 ,  H01M8/04589 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04955 ,  H01M8/0662

摘要： A start-up method for a fuel cell system that includes a fuel cell that carries out power generation by the electrochemical reaction between a fuel gas and the oxygen gas in the air; a fuel gas discharge path and a fuel gas supply path that are connected to the fuel cell; a fuel gas circulation path in which the fuel gas discharge path merges with the fuel gas supply path; and a purge valve provided on the fuel gas circulation path in order to discharge the circulating fuel gas from the fuel gas circulation path. The method includes the steps of opening the purge valve at the same time that the fuel gas is supplied to the fuel cell and replacing the nitrogen gas that originates in the air and is present in the fuel gas circulation path by fuel gas; and closing the purge valve after the nitrogen gas in the fuel gas circulation path has been replaced by the fuel gas.

摘要翻译： 一种燃料电池系统的启动方法，其包括通过燃料气体和空气中的氧气之间的电化学反应进行发电的燃料电池; 与燃料电池连接的燃料气体排出路径和燃料气体供给路径; 燃料气体排出路与燃料气体供给路合流的燃料气体循环路径; 以及设置在燃料气体循环路径上以从燃料气体循环路径排出循环燃料气体的净化阀。 该方法包括以下步骤：在将燃料气体供应到燃料电池的同时打开吹扫阀，并且用燃料气体替换存在于燃料气体循环路径中的空气中的氮气; 并且在燃料气体循环路径中的氮气已经被燃料气体代替之后关闭净化阀。