Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1989-11-28
1990-07-17
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 39, H01M 208
Patent
active
049420992
ABSTRACT:
Unit cells and separator elements are stacked in layers, thus constituting a stacked structure of a fuel cell. A first segment channel, which is bored through the peripheral region of each separator element, communicates with a second segment channel formed in a cylindrical seal member which is joined to each two adjacent separator elements. Thus, manifolds for the intake and exhaust of a fuel gas and an oxidant gas are defined. The cylindrical seal member includes a pair of ring-shaped metal members joined to each two adjacent separator elements and a ring-shaped insulating member interposed between the metal members. Thus, the gases in the manifolds can be prevented from leaking out, and the adjacent separator elements are insulated from one another.
REFERENCES:
patent: 4510213 (1985-04-01), Schnacke
patent: 4732822 (1988-03-01), Wright et al.
patent: 4743519 (1988-05-01), Kaji et al.
patent: 4758481 (1988-07-01), Fauvel
Hori Michio
Isobe Kenji
Maeda Toshio
Noguchi Mitsuo
Ogawa Kazuo
Kabushiki Kaisha Toshiba
Skapars Anthony
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