Wall flow particulate trap system
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United States of America Patent
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-
Sep 18, 2007
Grant Date -
Nov 18, 2004
app pub date -
May 14, 2004
filing date -
May 15, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A wall-flow particulate trap system regenerated by reverse flow of filtered exhaust gas through porous walls of a plurality of tubular passages is disclosed. The system includes a particulate trap having an inlet and an outlet, the particulate trap adapted to receive engine exhaust gas; a mode valve assembly offset from the inlet of the particulate trap; a remote actuated relief valve offset from the outlet of the at least one particulate trap a duct rotor intermediate the particulate trap and the mode valve assembly, the duct rotor having a first end and a second end, the second end of the duct rotor in operative communication with the mode valve assembly and the first end of the duct rotor in fluid communication with the inlet of the particulate trap; and a rotor drive in driving connection with the duct rotor.
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