Engine breathing in an engine with mechanical and electromechanical valves
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United States of America Patent
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Mar 28, 2006
Grant Date -
Sep 22, 2005
app pub date -
Mar 19, 2004
filing date -
Mar 19, 2004
priority date (Note) -
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Abstract
A system to control valves of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the system may contain both mechanical and electromechanical valves to reduce cost and increase performance.
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