Methods and apparatuses for a pressure driven fuel cell system
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United States of America Patent
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Feb 3, 2004
Grant Date -
Feb 13, 2003
app pub date -
May 15, 2001
filing date -
May 15, 2001
priority date (Note) -
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Abstract
A fuel cell system including a housing defining an anode chamber and a cathode chamber and including a catalyst, a protonically conductive, but electronically non-conductive membrane positioned between the anode chamber and the cathode chamber and a first vent, a fuel chamber in gaseous communication with the anode chamber via a first valve, a liquid chamber in gaseous communication with the anode chamber via a second valve, and a mixing chamber having a second vent. The mixing chamber is in gaseous communication with the anode chamber via a third valve and receives fuel from the fuel chamber through a fuel valve, liquid from the liquid chamber via a liquid valve, and liquid effluent from the anode chamber via a liquid effluent valve. The mixing chamber also provides a fuel mixture to the anode chamber via a fuel mixture valve. Using effluent gases, the present invention drives fluids between elements of the fuel cell system.
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