Exhaust gas aftertreatment device and exhaust gas aftertreatment method
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United States of America Patent
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Oct 22, 2019
Grant Date -
Nov 2, 2017
app pub date -
Oct 21, 2015
filing date -
Nov 6, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust-gas aftertreatment device (10) for an internal combustion engine, particularly for a marine diesel internal combustion engine operated using heavy fuel oil, includes a housing (11); an exhaust-gas chamber (12) defined by the housing (11), for permitting exhaust gas to flow continuously through the housing (11), an inlet (13) for permitting exhaust gas to flow into the housing and an outlet (14) for permitting exhaust gas to flow out of the housing (11); a sound damping chamber (15), defined by the housing (11) and coupled with the exhaust-gas chamber (12). The sound dampening chamber (15) is constructed to receive a fluid or a pourable solid at a fill level depending on the frequency of an exhaust sound to be damped.
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