Engine silencing and vibration reduction system and method
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United States of America Patent
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May 3, 2011
Grant Date -
Mar 12, 2009
app pub date -
Sep 7, 2007
filing date -
Sep 7, 2007
priority date (Note) -
Expired
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Abstract
A noise and vibration reduction system for an engine affixed to a body and a method for reducing vibrations in the body produced by that engine during operation. The present invention is particularly related to noise and vibration reduction in auxiliary power units installed on long-haul trucks and similar types of transportation vehicles. The primary noise and vibration reduction components of the present invention include an air intake silencer, a vibration tuner, and an engine speed limiter.
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