Silencer for internal combustion engine
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United States of America Patent
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-
May 23, 2017
Issued Date -
N/A
app pub date -
Mar 14, 2016
filing date -
Mar 26, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A silencer includes conduit with a downstream end portion configured from a tubular member which includes a conduit discharge port extending through a silencer main body and discharges exhaust gas to the outside therethrough. The tubular member includes a resonance communication hole communicating with a resonance chamber and an upstream side communication hole and a downstream side communication hole communicating with a second chamber. A barrier wall serving as a throttle portion for throttling an exhaust path at an intermediate location of the tubular member is provided in the inside of the tubular member and between the upstream side communication hole and the downstream side communication hole.
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