Device for controlling exhaust sound of vehicle
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United States of America Patent
Stats
-
Feb 14, 2023
Grant Date -
Oct 22, 2020
app pub date -
Oct 2, 2019
filing date -
Apr 16, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for controlling an exhaust sound of a vehicle includes a sound tunnel mounted near a muffler and an exhaust pipe so as to transmit exhaust sound to an interior of a vehicle, a sound introduction hole formed in the sound tunnel, and a catalytic assembly mounted in the sound tunnel so as to clog the sound introduction hole, the catalytic assembly functioning to reduce high-frequency noise and to filter exhaust gas, thereby reducing high-frequency noise included in the exhaust sound transmitted to the interior of the vehicle and thereby filtering the exhaust gas so as to prevent introduction of the exhaust gas into the interior of the vehicle.
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