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Title:
Fuel cell system
Document Type and Number:
Japanese Patent JP6349710
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel cell system capable of reducing a hydrogen concentration in an oxidant gas to be exhausted to the outside without using any dedicated instrument for reducing the hydrogen concentration.SOLUTION: A control apparatus 50 implements gas dilution processing (S50) that controls an air pump 21, an inlet-side sealing valve 22, an air pressure regulator 23, an outlet-side sealing valve 24, and a bypass valve 25 in such a manner that air supplied from the air pump 21 flows to an air lead-out path 20b via both the inside of a fuel cell 10 and a bypass path 20d, when starting a system. Therefore, when starting the system, hydrogen containing air led out from the fuel cell 10 is mixed in the air lead-out path 20b with air flowing in the bypass path 20d. Thus, even if the hydrogen concentration in air within the fuel cell 10 is high, the hydrogen concentration in the air to be exhausted to the outside can be reduced.

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Inventors:
Shunjiro Kikawa
Yuichi Sakagami
Yuji Murata
Takashi Yamada
Matsumoto Juichi
Application Number:
JP2013257213A
Publication Date:
July 04, 2018
Filing Date:
December 12, 2013
Export Citation:
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Assignee:
株式会社デンソー
トヨタ自動車株式会社
International Classes:
H01M8/04302; H01M8/04; H01M8/04791
Domestic Patent References:
JP2004172027A
JP2008010196A
JP2007179949A
JP2012099220A
JP2010176952A
JP2006134806A
JP2007165018A
JP2005174782A
JP2009205932A
JP2010033907A
JP2014011090A
Attorney, Agent or Firm:
Patent Business Corporation Yuai Patent Office



 
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