Separator for fuel battery

Details Separator for fuel battery Separator for fuel battery

2004-07-08

2010-06-22

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

07740969

ABSTRACT:
To provide a separator for a fuel battery in which a gasket is integrally formed with rubber in gasket forming grooves provided in a separator main body without the gasket forming grooves being damaged at a time of forming with the rubber and sealing performance being lowered due to the damage of the separator, the separator for the fuel battery is structured such that a groove width of the gasket forming groove formed in one surface of the separator main body is made larger than a groove width of the gasket forming groove formed in the other surface, or groove side surfaces in the gasket forming groove are formed in an inclined shape, or a curvature is provided in corner portions of a groove bottom surface.

REFERENCES:
patent: 6337120 (2002-01-01), Sasaki et al.
patent: 6686083 (2004-02-01), Saito et al.
patent: 7063911 (2006-06-01), Nagai et al.
patent: 8-200503 (1996-08-01), None
patent: 8-507403 (1996-08-01), None
patent: 2000-356267 (2000-12-01), None
patent: 2001-185174 (2001-07-01), None
patent: 2001-332275 (2001-11-01), None
patent: 2002-042837 (2002-02-01), None
patent: 2002-050369 (2002-02-01), None
patent: 2002-081543 (2002-03-01), None
patent: 2003-083165 (2003-03-01), None
patent: WO94/09520 (1994-04-01), None
Online translation of JP 2001-332275, Inoue, Nov. 30, 2001.
Online translation of JP 2000-356267, Ishigaki et al., Dec. 26, 2000.

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