Diaphragm pump and anode stream recirculation system using...

Details Diaphragm pump and anode stream recirculation system using... Diaphragm pump and anode stream recirculation system using...

2006-03-07

2006-03-07

Bell, Bruce F. (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S010000

Reexamination Certificate

active

07008717

ABSTRACT:
An anode stream recirculation system for a fuel cell, the fuel cell including an anode gas input and an anode gas output, the anode stream recirculation system comprising: an anode gas supply; a switch connected with the anode gas supply; a pressure regulating device connected between the switch and the anode gas input of the fuel cell; a diaphragm pump connected between the anode gas output and the anode gas input of the fuel cell thereby forming an anode gas recirculation; wherein the diaphragm pump has at least a sensor electrically connected with the switch.

REFERENCES:
patent: 5855761 (1999-01-01), Joshi
patent: 5951538 (1999-09-01), Joshi et al.
patent: 6491684 (2002-12-01), Joshi et al.

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