Exhaust gas control valve, apparatus and method of controlling exhaust gas flow
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United States of America Patent
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Apr 19, 2005
Grant Date -
Dec 25, 2003
app pub date -
Apr 15, 2003
filing date -
Apr 15, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to an exhaust gas control (EGC) valve. The EGC valve comprises a valve housing having at least one inlet port, at least one outlet port, and a flow channel having a centerline extending between the ports. A valve seat is adjacent an opening in the at least one outlet port. The EGC valve further comprises a rotatable actuator shaft offset from the centerline. At least one L-shaped valve armature is operably connected to the actuator shaft. The valve armature has a first leg and a second leg. The first leg is connected to the actuator shaft so that rotation of the actuator shaft in a first direction positions the second leg into sealing engagement with the valve seat to close the flow channel.
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