Fuel cell system

Details Fuel cell system Fuel cell system

2007-02-22

2009-10-06

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

Reexamination Certificate

active

07597985

ABSTRACT:
A fuel cell system with a valve mechanism composed of valves provided to a fuel cell unit and a fuel cartridge, respectively. Part of the male valve is inserted into the female valve to cause their respective stems extending from the respective valve seal parts towards the valve ends to be pushed in so as to open the valve seal parts and to establish fluid communication. The valve mechanism ensures that no leakage occurs during disconnection of the valves by a design in which a cylindrical resilient member is fitted on the stem of the female valve such that its peripheral wall will be warped outwardly when pushed by the male valve as the valves are being connected, and liquid fuel that has remained outside the valve seal parts is sucked into the tubular space around the stem of the female valve as the valves are being disconnected.

REFERENCES:
patent: 2005/0147864 (2005-07-01), Eggum
patent: 2007/0065704 (2007-03-01), Watanabe
patent: 2004-360837 (2004-12-01), None
patent: 2005-5155 (2005-01-01), None
Chinese Office Action issued in Chinese Patent Application No. 200710078992X, dated Jun. 19, 2009.

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