Cooling device for fuel cell

Details Cooling device for fuel cell Cooling device for fuel cell

1990-07-12

1992-01-21

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

165180, H01M 804

Patent

active

050827537

ABSTRACT:
Cooling pipes are embedded in cooling plates for cooling the cell stack of a fuel cell battery. Cooling water is supplied from an inlet main cooling pipe to the cooling pipes, and, after having cooling the cell stack, is discharged from an outlet main cooling pipe. Each of the inlet and outlet main cooling pipes comprises a concentric stock of short metallic pipes and ring-shaped insulating spacers, the metallic pipes and the insulating spacers being alternately arranged. The metallic pipes and insulating spacers of the concentric stock are fastened together by either studs disposed around the stack or springs housed in outer holder tube which is fitted over the concentric stock.

REFERENCES:
patent: 3923546 (1975-12-01), Katz et al.
patent: 3964929 (1976-06-01), Geevstad
patent: 4368448 (1983-01-01), Kobayashi et al.
patent: 4706737 (1987-11-01), Taylor et al.

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