Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2007-11-20
2007-11-20
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
10626168
ABSTRACT:
The present invention provides a fuel cell comprising a pair of separators sandwiching outsides of a membrane electrode assembly composed of a pair of electrodes provided on both sides of a solid polymer electrolyte membrane, an outer seal member sandwiched by a pair of separators at a position surrounding an outer periphery of the membrane electrode assembly, an inner seal member sandwiched by one of the pair of separators and an outer periphery of the electrolyte membrane, and a backing member opposing to the inner seal member interposing the electrolyte membrane, wherein steps are formed at contact surfaces of the inner seal member and the outer seal member on one of the pair of separators.
REFERENCES:
patent: 4751153 (1988-06-01), Roth
patent: 5232792 (1993-08-01), Reznikov
patent: 5424144 (1995-06-01), Woods, Jr.
patent: 5464700 (1995-11-01), Steck et al.
patent: 6040076 (2000-03-01), Reeder
patent: 6261711 (2001-07-01), Matlock et al.
patent: 6436568 (2002-08-01), Schilling et al.
patent: 6599653 (2003-07-01), Cummins et al.
patent: 2002/0122970 (2002-09-01), Inoue et al.
patent: 1152477 (2001-11-01), None
patent: 08-148169 (1996-06-01), None
European Search Report for Application No. 02004961.5-2119, dated May 10, 2006.
Kikuchi Hideaki
Nakanishi Yoshihiro
Sugita Narutoshi
Chu Helen Oi Kun
Honda Giken Kogyo Kabushiki Kaisha
Lahive & Cockfield LLP
Laurentano, Esq. Anthony A.
Ryan Patrick Joseph
LandOfFree
Fuel cell and fuel cell stack does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fuel cell and fuel cell stack, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fuel cell and fuel cell stack will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3848910