Exhaust system with external helmholtz resonator and associated method
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United States of America Patent
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Jan 18, 2011
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app pub date -
Sep 2, 2005
filing date -
Sep 2, 2005
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Abstract
An exhaust system comprises a muffler and a Helmholtz resonator. The muffler comprises an exhaust inlet aperture for receiving exhaust gas into the muffler, an exhaust outlet aperture for discharging exhaust gas from the muffler, and a resonator aperture. The Helmholtz resonator is at least partially external to the muffler and in acoustic communication with the resonator aperture. An associated method is disclosed.
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