Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate
2005-08-09
2005-08-09
Barr, Michael (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
Having magnetic field feature
C429S010000, C429S006000
Reexamination Certificate
active
06926979
ABSTRACT:
A fuel cell power system includes at least a fuel cell stack, a cooling means which removes the waste heat generated within the fuel cell stack, a fuel reformer which reforms a hydrocarbon for the fuel supply to the fuel cell stack, and an energy recovery system, which includes an expansion valve for reducing the pressure of the feedstock to the energy recovery system, a heat exchanger for facilitating the heat transfer from the cooling means of the fuel cell stack to the feedstock of the energy recovery system, and at least a compressor for raising the pressure of the feedstock to a sufficiently high level and delivering the feedstock to the fuel reformer, thereby a substantially large portion of the waste heat is recovered and used to vaporize the feedstock. As a result, the fuel utilization of the fuel cell power system is significantly improved due to a reduced heat input to the fuel reformer, and the size of the radiator and the associated power consumption for dissipating the waste heat into the surroundings is substantially reduced.
REFERENCES:
patent: 2004/0058230 (2004-03-01), Hsu
Barr Michael
Wills Monique
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