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1. 发明授权

US08815075B2 Water electrolysis system and method of operating same 有权
标题翻译：水电解系统及其运行方法
公开(公告)号：US08815075B2
公开(公告)日：2014-08-26
申请号：US13438273
申请日：2012-04-03
申请人： Jun Takeuchi , Koji Nakazawa , Hisashi Nagaoka , Tetsuya Yoshida , Masanori Okabe , Daisuke Kurashina , Aoi Miyake
发明人： Jun Takeuchi , Koji Nakazawa , Hisashi Nagaoka , Tetsuya Yoshida , Masanori Okabe , Daisuke Kurashina , Aoi Miyake
IPC分类号： C25B1/04
CPC分类号： C25B9/08 , C25B1/12 , C25B15/02 , Y02E60/366
摘要： A water electrolysis system includes a water electrolysis apparatus for electrically decomposing water to generate oxygen and high-pressure hydrogen having a pressure higher than the oxygen, a gas-liquid separator connected to a hydrogen pipe which discharges the high-pressure hydrogen from the water electrolysis apparatus, for separating water contained in the high-pressure hydrogen, a high-pressure hydrogen outlet pipe for delivering the high-pressure hydrogen separated from water from the gas-liquid separator, a water drainage line for discharging the water from the gas-liquid separator, and a gas depressurizing line connected to the gas-liquid separator, for degassing the gas-liquid separator before the water is discharged from the water drainage line into the water drainage line.
摘要翻译：水电解系统包括用于电分解水以产生氧气的水电解装置和具有高于氧气的压力的高压氢气，连接到从水电解排出高压氢气的氢管的气液分离器用于分离高压氢气中所含的水的装置，用于输送从气液分离器从水分离的高压氢的高压氢出口管，用于从气液中排出水的排水管分离器和连接到气液分离器的气体减压管线，用于在将水从排水管线排出到排水管线之前对气液分离器进行脱气。

2. 发明授权

US08936712B2 Water electrolysis system and method for operating the same 有权
标题翻译：水电解系统及其操作方法
公开(公告)号：US08936712B2
公开(公告)日：2015-01-20
申请号：US13596484
申请日：2012-08-28
申请人： Daisuke Kurashina , Koji Nakazawa , Hisashi Nagaoka , Hiroyuki Ishikawa , Yuji Yamakawa , Jun Takeuchi
发明人： Daisuke Kurashina , Koji Nakazawa , Hisashi Nagaoka , Hiroyuki Ishikawa , Yuji Yamakawa , Jun Takeuchi
IPC分类号： C25B15/02 , C25B1/12 , C25B15/08
CPC分类号： C25B15/02 , C25B1/12 , C25B15/08 , Y02E60/366
摘要： A water electrolysis system includes a high-pressure hydrogen production unit for electrolyzing water to generate oxygen and high-pressure hydrogen (the pressure of the high-pressure hydrogen being higher than that of the oxygen), and a gas-liquid separation unit for removing water contained in the high-pressure hydrogen. The gas-liquid separation unit is placed on a hydrogen pipe for discharging the high-pressure hydrogen from the high-pressure hydrogen production unit. In addition, the water electrolysis system includes a high-pressure hydrogen supply pipe for transferring dewatered high-pressure hydrogen from the gas-liquid separation unit, a cooling unit, which is placed on the high-pressure hydrogen supply pipe and is capable of variably controlling the temperature of the high-pressure hydrogen to adjust the humidity of the high-pressure hydrogen, and a control unit.
摘要翻译：水电解系统包括用于电解水以产生氧气和高压氢的高压氢气生产单元（高压氢气的压力高于氧气的压力），以及用于除去气体 - 液体分离单元水中含有的高压氢气。气液分离装置配置在用于从高压氢气制造装置排出高压氢的氢管上。此外，水电解系统包括用于从气液分离单元输送脱水高压氢的高压氢供给管，放置在高压氢供给管上并能够变化的冷却单元控制高压氢气的温度来调节高压氢气的湿度，以及控制单元。

3. 发明授权

US08741123B2 Water electrolysis system and method for shutting down the same 有权
标题翻译：水电解系统及其关闭方法
公开(公告)号：US08741123B2
公开(公告)日：2014-06-03
申请号：US13008916
申请日：2011-01-19
申请人： Jun Takeuchi , Masanori Okabe , Hisashi Nagaoka , Koji Nakazawa
发明人： Jun Takeuchi , Masanori Okabe , Hisashi Nagaoka , Koji Nakazawa
IPC分类号： C25B1/10
CPC分类号： C25B15/00 , C02F2201/46195 , C25B1/04 , C25B9/00 , C25B15/08 , Y02E60/366
摘要： A water electrolysis system includes a water electrolysis apparatus including an electrolyte membrane. The electrolyte membrane is provided between an anode and a cathode. The water electrolysis apparatus is configured to generate oxygen on a side of the anode and hydrogen on a side of the cathode at a pressure higher than a pressure of the oxygen through electrolysis of water. A gas-liquid separation apparatus separates unreacted water and produced gas discharged from a water outlet of the water electrolysis apparatus. A water circulation apparatus circulates the water between the water electrolysis apparatus and the gas-liquid separation apparatus. The water circulation apparatus includes a return pipe having an on-off valve and connecting the water outlet and the gas-liquid separation apparatus. A hydrogen exhaust pipe is connected to the return pipe between the water outlet and the on-off value and extends upward from the water electrolysis apparatus.
摘要翻译：水电解系统包括具有电解质膜的水电解装置。电解质膜设置在阳极和阴极之间。水电解装置被配置为通过电解水在高于氧气压力的压力下在阳极侧产生氧气，并在阴极侧产生氢气。气液分离装置分离从水电解装置的出水口排出的未反应水和生成气体。水循环装置在水电解装置与气液分离装置之间循环水。水循环装置包括具有开关阀并连接出水口和气液分离装置的回流管。氢排气管在出水口和开 - 关值之间连接到返回管，并从水电解装置向上延伸。

4. 发明授权

US08721867B2 Method of shutting down water electrolysis apparatus 有权
标题翻译：关闭水电解装置的方法
公开(公告)号：US08721867B2
公开(公告)日：2014-05-13
申请号：US12721740
申请日：2010-03-11
申请人： Kenji Taruya , Masanori Okabe , Aoi Miyake , Jun Takeuchi
发明人： Kenji Taruya , Masanori Okabe , Aoi Miyake , Jun Takeuchi
IPC分类号： C25B1/10 , C25B1/12 , C25B1/04
CPC分类号： C25B15/00 , C25B1/04 , Y02E60/366
摘要： A water electrolysis apparatus applies an electrolysis voltage between current collectors disposed on the respective sides of an electrolyte membrane thereby to electrolyze water to generate oxygen in an anode electrolysis chamber and hydrogen in a cathode electrolysis chamber under a pressure higher than a normal pressure. The water electrolysis apparatus is shut down by applying a voltage between the current collectors after the cathode electrolysis chamber stops supplying the hydrogen, reducing a pressure in at least the cathode electrolysis chamber while the voltage is being applied, and stopping applying the voltage when the pressure in the cathode electrolysis chamber is equal to a pressure in the anode electrolysis chamber.
摘要翻译：水电解装置在设置在电解质膜的各侧的集电体之间施加电解电压，从而在阳极电解室中电解水而在阴极电解室中的氢气在高于常压的压力下进行。在阴极电解室停止供给氢之后，通过在集电体之间施加电压来关闭水电解装置，在施加电压的同时减少至少阴极电解室中的压力，并且当压力在阴极电解室中等于阳极电解室中的压力。

5. 发明申请

US20120209434A1 METHOD FOR OPERATING DIFFERENTIAL PRESSURE WATER ELECTROLYSIS APPARATUS 审中-公开
标题翻译：用于操作差压水电解设备的方法
公开(公告)号：US20120209434A1
公开(公告)日：2012-08-16
申请号：US13354330
申请日：2012-01-20
申请人： Daisuke Kurashina , Masanori Okabe , Jun Takeuchi
发明人： Daisuke Kurashina , Masanori Okabe , Jun Takeuchi
IPC分类号： G06F17/00
CPC分类号： C25B1/12 , C25B15/02 , Y02E60/366
摘要： A method for operating a differential pressure water electrolysis apparatus includes calculating in advance values of an electric current required for an electrolysis of water in response to pressures of a cathode-side electrolysis chamber, detecting a pressure of the cathode-side electrolysis chamber when the electrolysis of water is not carried out, determining whether or not the electrolysis of water is to be started, and starting the electrolysis of water with an electric current having a value equal to or higher than a value which is calculated in advance in the calculating of the values of the electric current and which corresponds to a detected pressure of the cathode-side electrolysis chamber when it is determined that the electrolysis of water is to be started.
摘要翻译：用于操作差压水电解装置的方法包括响应于阴极侧电解室的压力预先计算电解水所需的电流的值，当电解时检测阴极侧电解室的压力不进行水的判断，判断水的电解是否开始，并且以电流等于或高于预先计算出的值的电流开始水的电解当确定开始水的电解时，电流值与阴极侧电解室的检测压力相对应。

6. 发明授权

US08991445B2 Hydrogen filling system and method of operating the same 有权
标题翻译：氢气灌装系统及其运行方法
公开(公告)号：US08991445B2
公开(公告)日：2015-03-31
申请号：US13186451
申请日：2011-07-19
申请人： Koji Nakazawa , Masanori Okabe , Jun Takeuchi
发明人： Koji Nakazawa , Masanori Okabe , Jun Takeuchi
IPC分类号： F17C5/00 , H01M8/06 , H01M8/04
CPC分类号： H01M8/0656 , F17C2221/012 , F17C2225/0123 , F17C2265/065 , F17C2270/0139 , H01M8/04201 , H01M8/04208 , Y02E60/321 , Y02E60/364 , Y02E60/50 , Y02P70/56 , Y02P90/45
摘要： A hydrogen filling system to fill a hydrogen fuel tank with hydrogen includes a high-pressure water electrolysis device capable of electrolyzing water to produce oxygen and the hydrogen. A hydrogen pipe connects the high-pressure water electrolysis device and a filling mechanism to fill the hydrogen fuel tank with the hydrogen. At least one hydrogen storage tank is provided to the hydrogen pipe to store the hydrogen produced by the high-pressure water electrolysis device at substantially a same pressure as a maximum filling pressure of the hydrogen fuel tank. A first valve mechanism is arranged downstream of the at least one hydrogen storage tank. A bypass pipe is provided to the hydrogen pipe and connects the high-pressure water electrolysis device and the filling mechanism to bypass the at least one hydrogen storage tank and the first valve mechanism. A second valve mechanism is arranged on the bypass pipe.
摘要翻译：用氢填充氢燃料箱的氢气填充系统包括能够电解水以产生氧气和氢气的高压水电解装置。氢气管连接高压水电解装置和填充机构，用氢气填充氢燃料箱。至少一个储氢罐被提供给氢管，以将氢高压电解装置产生的氢储存在与氢燃料箱的最大填充压力基本相同的压力下。第一阀机构设置在至少一个储氢罐的下游。旁通管设置在氢管上，连接高压水电解装置和填充机构绕过至少一个储氢罐和第一阀机构。第二阀机构设置在旁通管上。

7. 发明授权

US08329020B2 Method of shutting down water electrolysis system 有权
标题翻译：关闭水电解系统的方法
公开(公告)号：US08329020B2
公开(公告)日：2012-12-11
申请号：US12707221
申请日：2010-02-17
申请人： Jun Takeuchi , Masanori Okabe , Koji Nakazawa , Kenji Taruya
发明人： Jun Takeuchi , Masanori Okabe , Koji Nakazawa , Kenji Taruya
IPC分类号： C02F1/46
CPC分类号： C25B1/04 , C25B15/08 , Y02E60/366
摘要： A water electrolysis system includes a water electrolysis apparatus for electrolyzing pure water supplied from a pure water supply apparatus to produce high-pressure hydrogen. A pressure releasing device is connected between a pipe of the water electrolysis apparatus and a check valve connected to the inlet port of a gas-liquid separator, for releasing the pressure of the high-pressure hydrogen from the water electrolysis apparatus independently from the gas-liquid separator. The pressure releasing device has a bleeder passage including a pressure reducing valve and a solenoid-operated valve.
摘要翻译：水电解系统包括用于电解从纯水供应装置供应的纯水以产生高压氢的水电解装置。压力释放装置连接在水电解装置的管道和连接到气 - 液分离器的入口的止回阀之间，用于独立于气 - 液分离器从水电解装置释放高压氢气的压力，液分离器。压力释放装置具有包括减压阀和电磁阀的泄放通道。

8. 发明授权

US08361304B2 Water electrolysis system and method of operating same 有权
标题翻译：水电解系统及其运行方法
公开(公告)号：US08361304B2
公开(公告)日：2013-01-29
申请号：US13076110
申请日：2011-03-30
申请人： Nobuyoshi Yoshida , Koji Nakazawa , Masanori Okabe , Jun Takeuchi
发明人： Nobuyoshi Yoshida , Koji Nakazawa , Masanori Okabe , Jun Takeuchi
IPC分类号： C02F1/461
CPC分类号： C25B1/04 , C25B9/00 , C25B15/08 , Y02E60/366
摘要： A water electrolysis system includes a water electrolysis apparatus for producing high-pressure hydrogen by electrolyzing pure water and a casing. The casing defines therein an accommodating chamber accommodating the water electrolysis apparatus etc. therein, first electric component compartments separate from the accommodating chamber and housing a controller and an electrolysis power supply therein, the first electric component compartments having first fans for introducing external air, and a second electric component compartment separate from the accommodating chamber and housing a relay, the second electric component compartment being connected to the first electric component compartments by a pipe.
摘要翻译：水电解系统包括通过电解纯水和壳体来生产高压氢的水电解装置。壳体中容纳有容纳其中的水电解装置等的容纳室，与容纳室分离并容纳控制器和电解电源的第一电气部件隔室，第一电气部件隔室具有用于引入外部空气的第一风扇，以及与所述容纳室分离并容纳继电器的第二电气部件隔间，所述第二电气部件隔室通过管连接到所述第一电气部件隔间。

9. 发明授权

US08685223B2 Method for operating water electrolysis system 有权
标题翻译：操作水电解系统的方法
公开(公告)号：US08685223B2
公开(公告)日：2014-04-01
申请号：US13007675
申请日：2011-01-17
申请人： Daisuke Kurashina , Kenji Taruya , Jun Takeuchi
发明人： Daisuke Kurashina , Kenji Taruya , Jun Takeuchi
IPC分类号： C25B15/08 , C25B1/04
CPC分类号： C25B1/12 , C25B15/02 , Y02E60/366
摘要： A method for operating a water electrolysis system includes determining whether or not a water electrolysis apparatus is shut down. The water electrolysis system includes the water electrolysis apparatus, a water circulation apparatus, and a gas-liquid separation apparatus. The water electrolysis apparatus includes power feeders provided on an anode side and a cathode side of an electrolyte membrane. The water electrolysis apparatus generates oxygen on the anode side and generates hydrogen on the cathode side at a higher pressure than a pressure of the oxygen by electrolysis of water. Pressure on the cathode side is released when it is determined that the water electrolysis apparatus is shut down. The water circulation apparatus is operated until a concentration of hydrogen remaining on the anode side is a specified value or less under a condition in which a release of pressure on the cathode side is completed.
摘要翻译：一种操作水电解系统的方法，包括确定水电解装置是否关闭。水电解系统包括水电解装置，水循环装置和气液分离装置。水电解装置包括设置在电解质膜的阳极侧和阴极侧的供电装置。水电解装置在阳极侧产生氧气，通过电解水，在比氧气压力高的压力下在阴极侧产生氢气。当确定水电解装置关闭时，阴极侧的压力被释放。运行水循环装置直到在阴极侧的压力释放完成的条件下，残留在阳极侧的氢浓度为规定值以下。

10. 发明申请

US20110180416A1 METHOD FOR OPERATING WATER ELECTROLYSIS SYSTEM 有权
标题翻译：水电解系统操作方法
公开(公告)号：US20110180416A1
公开(公告)日：2011-07-28
申请号：US13007675
申请日：2011-01-17
申请人： Daisuke Kurashina , Kenji Taruya , Jun Takeuchi
发明人： Daisuke Kurashina , Kenji Taruya , Jun Takeuchi
IPC分类号： C25B15/02 , C25B1/12
CPC分类号： C25B1/12 , C25B15/02 , Y02E60/366
摘要： A method for operating a water electrolysis system includes determining whether or not a water electrolysis apparatus is shut down. The water electrolysis system includes the water electrolysis apparatus, a water circulation apparatus, and a gas-liquid separation apparatus. The water electrolysis apparatus includes power feeders provided on an anode side and a cathode side of an electrolyte membrane. The water electrolysis apparatus generates oxygen on the anode side and generates hydrogen on the cathode side at a higher pressure than a pressure of the oxygen by electrolysis of water. Pressure on the cathode side is released when it is determined that the water electrolysis apparatus is shut down. The water circulation apparatus is operated until a concentration of hydrogen remaining on the anode side is a specified value or less under a condition in which a release of pressure on the cathode side is completed.
摘要翻译：一种操作水电解系统的方法，包括确定水电解装置是否关闭。水电解系统包括水电解装置，水循环装置和气液分离装置。水电解装置包括设置在电解质膜的阳极侧和阴极侧的供电装置。水电解装置在阳极侧产生氧气，通过电解水，在比氧气压力高的压力下在阴极侧产生氢气。当确定水电解装置关闭时，阴极侧的压力被释放。运行水循环装置直到在阴极侧的压力释放完成的条件下，残留在阳极侧的氢浓度为规定值以下。

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