Unidirectional two position throttling exhaust valve
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United States of America Patent
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N/A
Issued Date -
Feb 14, 2008
app pub date -
Aug 8, 2006
filing date -
Aug 8, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An exhaust valve for an exhaust component includes a shaft defining an axis and a flapper valve that is fixed to the shaft for rotational movement about the axis. The flapper valve is mounted within an interior cavity of a valve housing that is defined by an inner diameter. The flapper valve comprises a disc-shaped body that has a maximum flapper diameter that is less than the inner diameter. A unidirectional drive unit is used to move the flapper valve between open and closed positions such that the flapper valve only rotates in one direction about the axis.
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