| 摘要 |
<P>PROBLEM TO BE SOLVED: To simplify structure of the whole of a system in regard to an opening/closing valve for fuel cell to be arranged in a gas passage for oxidant gas, which is connected to a fuel cell, and a fuel cell system comprising the opening/closing valve for fuel cell. <P>SOLUTION: A control air passage is provided by dividing from an air supply passage, which comprises an air compressor in the upstream, and the control air passage is connected to a compressed gas supply/discharge opening 92 provided in an opening/closing valve for fuel cell. When an air compressor 132 is started with normal rotation, compressed air is supplied to the compressed air supply/discharge opening 92, and when compressed air is supplied to the compressed air supply/discharge opening 92, internal pressure of a first auxiliary chamber 54 rises, and deforms a diaphragm 74 upward in a figure, and opens a valve element 60. When the valve is closed, the air compressor is started with reverse rotation to release air from the compressed air supply/discharge opening 92. When air is released, the internal pressure of the first auxiliary chamber 54A becomes negative to deform the diaphragm 74 downward. When the diaphragm 74 is deformed downward, the valve is closed. <P>COPYRIGHT: (C)2010,JPO&INPIT |
