Fuel cell separator plate with bellows-type sealing flanges

Details Fuel cell separator plate with bellows-type sealing flanges Fuel cell separator plate with bellows-type sealing flanges

1984-05-29

1986-08-05

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 37, H01M 218

Patent

active

046043314

ABSTRACT:
A fuel cell separator includes a rectangular flat plate having two unitary upper sealing flanges respectively comprising opposite marginal edges of the plate folded upwardly and back on themselves and two lower sealing flanges respectively comprising the other two marginal edges of the plate folded downwardly and back on themselves. Each of the sealing flanges includes a flat wall spaced from the plate and substantially parallel thereto and two accordion-pleated side walls, one of which interconnects the flat wall with the plate and the other of which stops just short of the plate, these side walls affording resilient compressibility to the sealing flange in a directiongenerally normal to the plane of the plate. Four corner members close the ends of the sealing flanges. An additional resiliently compressible reinforcing member may be inserted in the passages formed by each of the sealing flanges with the plate.

REFERENCES:
patent: 3282734 (1966-11-01), Rzewinski
patent: 3607418 (1971-09-01), Ortlieb et al.
patent: 4345009 (1982-08-01), Fahle et al.
patent: 4450212 (1984-05-01), Feigenbaum et al.
patent: 4514475 (1985-04-01), Mientek

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