Adaptive valve spring retainer
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United States of America Patent
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Apr 18, 2017
Grant Date -
Nov 14, 2013
app pub date -
May 8, 2012
filing date -
May 8, 2012
priority date (Note) -
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Abstract
An adaptive valve assembly includes a pipe defining a passageway for conducting engine exhaust gases, a pivot shaft supported by the pipe, and a valve body coupled to the pivot shaft. The valve body is moveable between an open position where exhaust gas flow through the passageway is increased and a closed position where exhaust gas flow through the passageway is reduced. A resilient member biases the valve body toward the closed position. A retainer cooperates with the resilient member to define a valve stop for the valve body when in the closed position.
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