Muffler having coupling of a tailpipe by means of a coupling chamber
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United States of America Patent
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Sep 15, 2015
Grant Date -
Feb 19, 2015
app pub date -
Mar 27, 2013
filing date -
Apr 2, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A muffler for an exhaust system of an internal combustion engine having a housing wall, having a muffler housing with at least one inlet pipe guided through the housing wall and at least one outlet pipe guided through the housing wall, wherein the inlet pipe has at least one outflow opening via which the exhaust gas can flow from the inlet pipe into the outlet pipe, whereby, within the muffler housing, at least one coupling chamber with a chamber wall is provided with a center axis, which forms a flow channel between the inlet pipe and the outlet, whereby the chamber wall encloses the inlet pipe or the outlet pipe in the receiving direction E1 with respect to the center axis and is connected only indirectly via the inlet pipe and the outlet pipe or a muffler housing intermediate wall in a form- or material-fitting manner to the housing wall, whereby the chamber wall of the coupling chamber has a diameter D and whereby the exhaust pipe has an outer diameter d, whereby for the ratio of D/d, 20/10>−D/d>=11/10 or 18/10>=D/d>=11/10 is valid.
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