Diesel particulate filter comprising a finely dispersed diesel particulate catalyst
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United States of America Patent
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Feb 23, 2010
Grant Date -
Nov 25, 2004
app pub date -
Jun 20, 2002
filing date -
Jun 26, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a device for the, (in particular continuous), oxidation of particulates from the exhaust gases of diesel motors. Said device consists of an open-pored body as a particle filter, on whose surface an oxidation catalyst is finely dispersed. The device is characterized in that from an exhaust gas temperature as low as 150° C., the catalyst causes the oxidation of particulates attached to the filter using the residual oxygen of the exhaust gas, thus keeping the filter body continuously free of particulates during almost all the operating conditions of the motor.
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