Fuel cell system with differential pressure sensor

Details Fuel cell system with differential pressure sensor Fuel cell system with differential pressure sensor

2006-09-27

2010-12-28

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

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

Process or means for control of operation

C429S444000, C429S428000, C429S430000

Reexamination Certificate

active

07858257

ABSTRACT:
A fuel cell system includes a fuel cell stack; a diluted fuel tank for storing diluted fuel; a diluted fuel conduit for supplying the diluted fuel from the fuel dilution tank to the fuel cell stack; a differential pressure sensor in the diluted fuel conduit to sense a differential pressure resulting from a fuel flow inside the diluted fuel conduit and to transmit an electric signal; and a controller for receiving the electric signal from the differential pressure sensor and for determining whether or not fuel is flowing inside the diluted fuel conduit.

REFERENCES:
patent: 5723228 (1998-03-01), Okamoto
patent: 5766786 (1998-06-01), Fleck et al.
patent: 6387559 (2002-05-01), Koripella et al.
patent: 6528193 (2003-03-01), Kurita
patent: 7205060 (2007-04-01), Kaye et al.
patent: 2000-149973 (2000-05-01), None
patent: 2003-0078974 (2003-10-01), None
Patent Abstracts of Japan, Publication No. 2000-149973, dated May 30, 2000, in the name of Masakazu Hasegawa.
Korean Patent Abstracts, Publication No. 1020030078974 A, dated Oct. 10, 2003, in the name of In Gyu Kim et al.

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