Fuel cell system and activation system thereof

Details Fuel cell system and activation system thereof Fuel cell system and activation system thereof

2005-04-13

2008-10-28

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S010000

Reexamination Certificate

active

07442458

ABSTRACT:
A fuel cell system is equipped with a fuel cell for generating power by an electrochemical reaction of a fuel gas and an oxidizer gas, a fuel gas supply mechanism for supplying the fuel gas to the fuel cell, a supply amount adjustment mechanism for adjusting a supply amount of the fuel gas, a fuel gas flow passage for passing the fuel gas, a purge valve for purging a gas within the fuel gas flow passage outside, and a control mechanism for opening the purge valve when a stop request of the fuel cell is output, wherein when an activation request of the fuel cell is output, the control mechanism controls the supply amount adjustment mechanism so that a pressure within the fuel gas flow passage becomes smaller than a minimum pressure in a normal power generation and larger than an atmospheric pressure.

REFERENCES:
patent: 2003/0022034 (2003-01-01), Suzuki
patent: 11-097047 (1999-04-01), None
patent: 2002-305017 (2002-10-01), None

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