Two-stage compression for air supply of a fuel cell system

Details Two-stage compression for air supply of a fuel cell system Two-stage compression for air supply of a fuel cell system

2008-03-18

2008-03-18

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S006000

Reexamination Certificate

active

07344787

ABSTRACT:
A multi-stage compressor system that compresses air supplied to a cathode of a fuel cell system includes a first stage compressor that compresses inlet air to provide a first pressurized air stream at a first pressure. A second stage compressor includes a compression unit that compresses the first pressurized air stream to a second pressurized air stream at a second pressure. A drive unit drives the compression unit using expansion energy of an exhaust stream of the fuel cell. A first heat exchanger enables heat transfer between the second pressurized air stream and the exhaust stream to heat the exhaust stream.

REFERENCES:
patent: 5319925 (1994-06-01), Hendriks et al.
patent: 5360679 (1994-11-01), Buswell et al.
patent: 6488345 (2002-12-01), Woody et al.
patent: 101 20 947 (2001-04-01), None
patent: 1 009 053 (1999-10-01), None

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