Road vehicle with an internal combustion engine and provided with an exhaust noise transmission device
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United States of America Patent
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Jun 8, 2021
Grant Date -
Nov 8, 2018
app pub date -
Apr 20, 2018
filing date -
Apr 21, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Road vehicle having: a passenger compartment; an internal combustion engine provided with at least one exhaust duct, which originates from an exhaust manifold and has at least one exhaust gas treatment device; and an exhaust noise transmission device provided with a transmission duct, which originates from the exhaust duct, and with a symposer device, which is arranged inside the transmission duct, is pneumatically insulating and is acoustically permeable; an inlet of the transmission duct being arranged between the exhaust manifold and the exhaust gas treatment device, hence upstream of the exhaust gas treatment device.
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