Preheating arrangement in a fuel cell apparatus

Details Preheating arrangement in a fuel cell apparatus Preheating arrangement in a fuel cell apparatus

2011-05-24

2011-05-24

Michener, Jennifer K. (Department: 1728)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S433000, C429S472000, C429S479000

Reexamination Certificate

active

07947401

ABSTRACT:
The present invention relates to a preheating arrangement in a fuel cell apparatus, the fuel cell apparatus comprising at least a fuel cell unit, the fuel cells of which include an anode side and a cathode side and an electrolyte therebetween and in which fuel cell apparatus there is at least a fuel inlet into the anode side and an oxygen-containing gas inlet into the cathode side as well as a de-sulphuring unit and a fuel modifying unit and an afterburner for combusting the exhaust gases of the anode and/or cathode sides. According to the invention, a separate fuel channel has been arranged for the afterburner for introducing fuel to the afterburner at least during the start-up phase of the fuel cell apparatus and that at least a portion of the exhaust gases formed in the combustion of the separately fed fuel is arranged to be directed during the start-up phase of the fuel cell apparatus from the afterburner for heating at least the de-sulphuring unit and/or the fuel modifying unit.

REFERENCES:
patent: 5308456 (1994-05-01), Kunz et al.
patent: 6077620 (2000-06-01), Pettit
patent: 6413661 (2002-07-01), Clingerman et al.
patent: 6541142 (2003-04-01), Yu et al.
patent: 2003/0072978 (2003-04-01), Meyer et al.
patent: 2004/0146763 (2004-07-01), Pondo et al.
patent: 5003043 (1993-01-01), None
patent: 05003043 (1993-01-01), None
patent: 0201663 (2002-01-01), None

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