Methods and apparatuses for a self-regulating gas displacement pump for a fuel cell system
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United States of America Patent
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-
May 18, 2004
Grant Date -
Dec 19, 2002
app pub date -
Jun 15, 2001
filing date -
Jun 15, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
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, a mixing chamber, a fuel chamber in fluid communication with the mixing chamber, and a first conduit having a first end connected to the anode chamber and a second end connected to the mixing chamber. The first conduit directs a fuel-water solution from the mixing chamber to the anode chamber. The system also includes a second conduit having a first end connected to the anode chamber and a second end connected to the mixing chamber, where the second conduit directs effluent from the anode chamber to the mixing chamber. A coalescing surface provided with at least one of said conduits collects effluent gas produced by said fuel cell.
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