Method and apparatus for warming intake air to an internal combustion engine
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United States of America Patent
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Aug 6, 2002
Issued Date -
N/A
app pub date -
Dec 7, 1998
filing date -
Jul 16, 1996
priority date (Note) -
Expired
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Abstract
The present invention provides a method and apparatus for chemically heating one or more components of, or intake air flowing to, an internal combustion engine by feeding hydrogen to a catalyst. In accordance with the invention, condensation of fuels on cold engine cylinder walls during and after cold start-ups is prevented, thereby reducing wear on the engine. The invention also provides a method and apparatus for reducing pollutants commonly occurring during cold start-up of combustion engines by heating components of, or intake air flowing to, a combustion engine, in order to quickly warm the engine and its catalytic converter to operating temperatures.
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