Multi-purpose exhaust valve spring
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United States of America Patent
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Jul 6, 2010
Grant Date -
Oct 2, 2008
app pub date -
Mar 29, 2007
filing date -
Mar 29, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An exhaust valve includes a valve body that is fixed for rotation with a shaft supported by at least one bushing. A single spring is used to bias the shaft to hold the valve body in a valve closed position, and to exert an axial load on the shaft to seal the shaft against the bushing to prevent exhaust gas leakage.
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