Fuel cell demineralizers integrated with coolant accumulator
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United States of America Patent
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Issued Date -
Jun 29, 2006
app pub date -
Dec 28, 2004
filing date -
Dec 28, 2004
priority date (Note) -
Abandoned
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Abstract
The water transport plates (8) of a stack of fuel cells (9) receive water from an accumulator (11) which has a vent (17) within which demineralizers (33) are disposed. The entrance to the accumulator has a conical baffle which disrupts the flow of water entering the accumulator, thereby acting as a gas separator (16). A coolant pump (23) pumps coolant through a heat exchanger (25) where it is divided between an accumulator inlet conduit (31) and a demineralizer inlet conduit (32), the flow between which may be adjusted by means of a flow restrictor (30).
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