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Fuel cell with internal flow control

United States Patent

June 12, 2012
View the Complete Patent at the US Patent & Trademark Office
A fuel cell stack is provided with a plurality of fuel cell cassettes where each fuel cell cassette has a fuel cell with an anode and cathode. The fuel cell stack includes an anode supply chimney for supplying fuel to the anode of each fuel cell cassette, an anode return chimney for removing anode exhaust from the anode of each fuel cell cassette, a cathode supply chimney for supplying oxidant to the cathode of each fuel cell cassette, and a cathode return chimney for removing cathode exhaust from the cathode of each fuel cell cassette. A first fuel cell cassette includes a flow control member disposed between the anode supply chimney and the anode return chimney or between the cathode supply chimney and the cathode return chimney such that the flow control member provides a flow restriction different from at least one other fuel cell cassettes.
Haltiner, Jr.; Karl J. (Fairport, NY), Venkiteswaran; Arun (Karnataka, IN)
Delphi Technologies, Inc. (Troy, MI)
13/ 296,580
November 15, 2011
GOVERNMENT-SPONSERED STATEMENT This invention was made with the United States Government support under Contract DE-NT003894 awarded by the U.S. Department of Energy. The Government has certain rights in this invention.