Rotary piston blower for supplying an oxidant stream to a fuel cell
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
May 27, 1999
filing date -
May 29, 1998
priority date (Note) -
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Abstract
An improved rotary piston blower supplies an oxidant stream to a fuel cell. In one embodiment, the improved rotary piston blower includes cantilevered shafts. The improved rotary piston blower is also able to supply an oil-free oxidant stream to an electrochemical fuel cell. The improved rotary piston blower has fewer components, fewer seals, and is easier to fabricate, in comparison to conventional, prior art rotary piston blowers.
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