Integrated vapor control valve and sensor
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United States of America Patent
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-
Dec 12, 2006
Grant Date -
Jan 27, 2005
app pub date -
Jul 26, 2004
filing date -
Jul 25, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An evaporative fuel vapor control system, purge valve and methods are described. The system includes a fuel supply, internal combustion engine, vapor canister, a bypass passage, and a purge valve. The bypass passage includes a sensor disposed in the bypass passage and in communication with the flow passage to provide a signal indicative of the magnitude of chemicals in the fuel vapor being provided to the engine. Various methodologies relating the system, purge valve and sensors are described.
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