Relief valve for a turbocharger
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United States of America Patent
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Dec 4, 2012
Grant Date -
Aug 19, 2010
app pub date -
Dec 20, 2007
filing date -
Jan 17, 2007
priority date (Note) -
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Abstract
The invention relates to a relief valve comprising a first valve body for opening and closing a fluid passageway between a first valve connection and a second valve connection, a second valve body which is disposed on the first valve body and is used for opening and closing a valve passageway located between the first valve connection and a valve interior, a one throttle duct between the valve interior and a face of the first valve body, a spring for opening the second valve body, and an actuator for closing the second valve body. This relief valve further comprising a movable member that can be moved further in the same direction once the second valve body has been closed, thus allowing the first valve body to be opened by having the second valve body engage a valve seat located on the first valve body, and a stop element connected to the second valve body and/or the movable member engages the first valve body via the spring to close the first valve body.
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