APPARATUS AND METHOD TO CONTROL TURBOCHARGER WASTE GATE DURING ENGINE BRAKING
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United States of America Patent
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Issued Date -
Nov 1, 2012
app pub date -
Apr 27, 2012
filing date -
Apr 27, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a methods and apparatus for controlling the actuation of the waste gate of a turbocharger. The waste gate may be opened in response to a pneumatically operated waste gate actuator connected to the intake manifold by a waste gate actuator passage. A waste gate cut-off valve may be disposed in the waste gate actuator passage and may block the waste gate actuator passage in response to an engine braking operation of the engine. Alternatively, a snubber may be disposed in the waste gate actuator passage.
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