Title:
MAINTAINING OXYGEN/CARBON RATIO WITH TEMPERATURE CONTROLLED VALVE
Document Type and Number:
WIPO Patent Application WO2006007319
Kind Code:
A3
Abstract:
Fuel from a source (6) passes through a hydrogen desulfurizer (8) and a proportioning mixing valve (10) to a CPO (31), the temperature of the output of the CPO being monitored (50) to provide a signal (51) which a controller (52) utilizes to adjust the valve (10). The output of the CPO may be passed through a water gas shift reactor (35) and a preferential CO oxidizer (40) to provide fuel to a fuel cell system (26). The air provided to the valve (10) may be humidified, such as by an enthalpy recovery device (21) receiving the oxidant outflow (24) from the fuel cell system.
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Inventors:
KABIR ZAKIUL (US)
ISOM JOSHUA D (US)
YOKOSE MASAKI M (US)
ISOM JOSHUA D (US)
YOKOSE MASAKI M (US)
Application Number:
PCT/US2005/020097
Publication Date:
September 14, 2006
Filing Date:
June 07, 2005
Export Citation:
Assignee:
UTC FUEL CELLS LLC (US)
International Classes:
H01M8/04; F23C13/00; F23N1/02
Foreign References:
| US6190623B1 | 2001-02-20 | |||
| US6294278B1 | 2001-09-25 | |||
| US5637415A | 1997-06-10 | |||
| US6451466B1 | 2002-09-17 | |||
| US20040053088A1 | 2004-03-18 |
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