MULTI-STAGE TURBOCHARGER REGULATION APPARATUS
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United States of America Patent
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Issued Date -
Oct 21, 2010
app pub date -
Apr 17, 2009
filing date -
Apr 17, 2009
priority date (Note) -
Abandoned
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Abstract
A multi-stage turbocharger regulation apparatus includes a casing which has a housing chamber, a driving membrane and at least one floating membrane. The housing chamber has at least one blocking portion. The linkage bar runs through the bottom surface of the casing into the housing chamber to couple with a spring. The driving membrane pushes the linkage bar and also pushes the spring between the driving membrane and the bottom surface of the casing. The floating membrane has at least one opening. The driving membrane is pushed by the elastic force of the spring to block the opening. The floating membrane is compressed by a control gas to drive the driving membrane to push the spring and the linkage bar, or force the driving membrane to separate from the floating membrane to push the linkage bar and the spring. Thereby the wastegate can be opened or closed.
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