Fuel cell system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Jul 28, 2005
filing date -
Jul 28, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a fuel cell system and to a method of operating such a system. More specifically, the present invention relates to the manner in which a fuel delivery system of a fuel cell system is operated in order to achieve practical advantages in terms of system operation. The fuel cell system of the invention comprises: a fuel cell assembly; a steam reformer for delivery of a fuel cell supply stream to the fuel cell assembly; a jet pump for delivery to the steam reformer of a gas stream comprising steam and a gaseous hydrocarbon fuel, the jet pump comprising a steam inlet, an inlet for the gaseous hydrocarbon fuel and an outlet for the gas stream; a steam generator for delivery of pressurised steam to the steam inlet of the jet pump; and a source of a gaseous hydrocarbon fuel for delivery of gaseous hydrocarbon fuel to the fuel inlet of the jet pump, wherein flow of steam through the jet pump is responsible for entrainment and flow of gaseous hydrocarbon fuel through the jet pump in order to generate a gas stream comprising steam and gaseous hydrocarbon fuel that is suitable for delivery to the steam reformer.
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