Volume effecient layered manifold assembly for electrochemical f

Details Volume effecient layered manifold assembly for electrochemical f Volume effecient layered manifold assembly for electrochemical f

1998-12-17

2000-12-12

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 38, H01M 200, H01M 214

Patent

active

061596299

ABSTRACT:
A volume efficient, layered manifold assembly is disclosed for an array of one or more internally manifolded fuel cell stacks. The assembly comprises a stack of substantially planar layers in which each pair of adjacent layers defines a fluid distribution chamber or plenum. Appropriate passages connect each chamber to the internal manifolds of the fuel cell stacks and to various external fluid ports for supply or exhaust of fuel, oxidant, or coolant streams. Passages for at least one fluid penetrate the layers defining the distribution chamber for another fluid. Valving can be incorporated directly in the manifold assembly and used to periodically reverse the direction of fluid flow through internal manifolds of the fuel cell stacks.

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patent: 5789091 (1998-08-01), Wozniczka et al.
patent: 5811202 (1998-09-01), Petraglia
patent: 6066409 (2000-05-01), Ronne et al.

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