Hydrogen fuel system for an internal combustion engine
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United States of America Patent
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Sep 25, 2007
Grant Date -
Mar 30, 2006
app pub date -
Sep 27, 2004
filing date -
Sep 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydrogen fuel system for an internal combustion engine includes an electrolyzer for generating hydrogen and oxygen gases. The engine exhaust may be recycled through the electrolyer where it is converted to hydrogen and oxygen. A water reservoir in fluid communication with the electrolyzer maintains the water level in the elctrolyzer. The hydrogen and oxygen generated by the electrolyzer may be routed to the internal combustion engine and provide the fuel for the engine. Hydrogen and oxygen not consumed by operation of the engine is stored in separate pressurized storage tanks. Expanders lower the pressure of pressurized hydrogen and oxygen for use to power the engine and provide electric power to the electrolyzer.
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