Flexible Exhaust Pipe Coupling
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Dec 22, 2005
filing date -
Dec 22, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for connecting pipes in a heavy truck exhaust system includes a flexible sleeve joined to both connecting pipes and a flow guide connected or formed to an upstream pipe and extending through the flexible sleeve into the downstream pipe. The flow guide may have a frustoconical shape converging toward an outlet end with an outlet rim that flares radially outward. An inlet rim of the downstream pipe converges radially inward to prevent backflow into the joint region.
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