EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Oct 3, 2019
app pub date -
Mar 27, 2019
filing date -
Mar 29, 2018
priority date (Note) -
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Abstract
An exhaust gas system for an internal combustion engine of a motor vehicle includes at least one exhaust gas line and an active sound-generation device, which comprises a sound line with a mouth that opens into the exhaust gas line and is connected to an electrical sound source. A housing surrounds at least one portion of the exhaust gas line arranged downstream of the mouth of the sound line into the exhaust gas line when viewed in a flow direction of the exhaust gas. The said housing is connected to an error sensor and a cavity is formed between an outer side of the exhaust gas line and an inner side of the housing. The at least one portion of the exhaust gas line extending in the housing has at least one opening that opens into the cavity.
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