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    Dynamic decompression control for high pressure seals
    7.
    发明授权
    Dynamic decompression control for high pressure seals 有权

    公开(公告)号：US09911993B2

    公开(公告)日：2018-03-06

    申请号：US14334772

    申请日：2014-07-18

    申请人： Nuvera Fuel Cells, Inc.

    发明人： Scott Blanchet

    IPC分类号： H01M8/0438 ,  H01M8/04298 ,  C25B15/02 ,  C25B1/12

    CPC分类号： H01M8/0438 ,  C25B1/12 ,  C25B15/02 ,  H01M8/04298 ,  Y02E60/366

    摘要： The present disclosure is directed to a method and system for dynamically controlling seal decompression. The method includes monitoring a set of parameters associated with an operation of a seal, wherein the set of parameters includes a maximum pressure subjected to the seal and an exposure time at the maximum pressure, calculating a target pressure ramp down rate based on at least one of the maximum pressure and the exposure time, and decreasing a pressure about the seal at a decompression rate that is based on the target pressure ramp down rate. The system includes a controller having a memory device, a graphical user interface, at least one pressure transmitter configured to monitor the pressure about the seal, and a processor, wherein the processor is configured to detect a maximum exposure pressure and exposure time at maximum pressure about the seal and control a pressure ramp down about the seal based on the maximum exposure pressure and the exposure time detected in order to prevent explosive decompression of the seal.

    STARTING METHOD OF HIGH-PRESSURE WATER ELECTROLYSIS SYSTEM AND STARTING METHOD OF WATER ELECTROLYSIS SYSTEM
    8.
    发明申请
    STARTING METHOD OF HIGH-PRESSURE WATER ELECTROLYSIS SYSTEM AND STARTING METHOD OF WATER ELECTROLYSIS SYSTEM 审中-公开

    公开(公告)号：US20170335469A1

    公开(公告)日：2017-11-23

    申请号：US15591113

    申请日：2017-05-10

    申请人： HONDA MOTOR CO., LTD.

    发明人： Hiroyuki ISHIKAWA ,  Hayato DAIMON

    IPC分类号： C25B1/12 ,  C25B15/02

    CPC分类号： C25B1/12 ,  C25B15/02 ,  Y02E60/366

    摘要： A starting method includes determining whether a depressurizing current was supplied to a water electrolyzer while at least a cathode side of the water electrolyzer was depressurized in an immediately previous stop of a water electrolysis system after electrolyzing water. A first current is supplied to the water electrolyzer at a first supply rate to start the water electrolysis system in a case where it is determined that the depressurizing current was supplied to the water electrolyzer in the immediately previous stop. A second current is supplied to the water electrolyzer at a second supply rate lower than the first supply rate to start the water electrolysis system in a case where it is determined that the depressurizing current was not supplied to the water electrolyzer in the immediately previous stop.

    High pressure water electrolysis device
    9.
    发明授权
    High pressure water electrolysis device 有权

    公开(公告)号：US09783897B2

    公开(公告)日：2017-10-10

    申请号：US14520345

    申请日：2014-10-22

    申请人： HONDA MOTOR CO., LTD.

    发明人： Nobuyuki Kawasaki ,  Daisuke Kurashina

    IPC分类号： C25B9/08 ,  C25B9/06 ,  C25B9/00 ,  C25B1/02 ,  C25B11/03 ,  C25B9/18 ,  C25B1/12 ,  C25B9/10

    CPC分类号： C25B1/12 ,  C25B9/10 ,  Y02E60/366

    摘要： A high pressure water electrolysis device includes an electrolyte membrane, an anode power supplying body, a cathode power supplying body, an anode separator, a cathode separator, a cathode chamber, a seal member, and a protective sheet member. The protective sheet member is interposed between the electrolyte membrane and the anode power supplying body and includes a frame part and a through hole formation part. The frame part faces the seal member as a seal receiving part in a stacking direction. The through hole formation part is provided inwardly of the frame part. In the through hole formation part, a plurality of through holes are provided. The through hole formation part has the plurality of through holes from an inner side to outer side of a range that faces an anode catalyst part in the stacking direction.