Noise minimization for evaporative canister ventilation valve cleaning
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United States of America Patent
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May 31, 2011
Grant Date -
Dec 17, 2009
app pub date -
Jul 16, 2008
filing date -
Jun 11, 2008
priority date (Note) -
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Abstract
A control system comprising a detection module that detects at least one of a vehicle speed and an engine speed and a canister vent valve control module that selectively modulates the canister vent valve based on at least one of the vehicle speed and the engine speed. A method comprising detecting at least one of a vehicle speed and an engine speed and selectively modulating a canister vent valve based on at least one of the vehicle speed and the engine speed.
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