Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-05-03
2005-05-03
Gulakowski, Randy (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S010000, C429S010000, C429S010000, C429S010000, C429S072000, C429S061000, C429S062000, C429S063000, C429S064000, C429S069000, C060S039010, C060S039120, C060S039130, C060S039500, C060S039511, C060S039350
Reexamination Certificate
active
06887609
ABSTRACT:
A fuel cell system and method of operation in which the fuel cell system has a fuel cell unit with anode and cathode, a media flow path for supplying substantially pure hydrogen to the anode, a media flow path for the cathode, an anode exhaust-gas flow path and a cathode exhaust-gas flow path. A fan for supplying air to the cathode is provided in the flow path of the cathode, and a catalytic burner is arranged in the cathode exhaust-gas flow path. The anode exhaust-gas flow path opens into the catalytic burner and/or into the cathode exhaust-gas flow path upstream of the catalytic burner. The combined, catalytically converted fuel cell exhaust-gas flow is passed into an expansion machine.
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Ballard Power Systems AG
Gulakowski Randy
Seed IP Law Group PLLC
Winter Gentle E.
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