Air entrainment component for vehicle exhaust system
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United States of America Patent
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Mar 4, 2014
Grant Date -
Mar 29, 2012
app pub date -
Sep 28, 2010
filing date -
Sep 28, 2010
priority date (Note) -
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Abstract
A vehicle exhaust system includes an air entrainment component that is used to reduce exhaust gas temperatures exiting the vehicle exhaust system. The air entrainment component includes an exhaust pipe with a non-circular cross-section at one end and an overlap tube that substantially surrounds the non-circular cross-section to form an air gap between the exhaust pipe and the overlap tube. Cooling external air is drawn into the air gap to cool heated exhaust gases within the exhaust pipe.
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