Device for purifying the exhaust gas of an internal combustion e

Details Device for purifying the exhaust gas of an internal combustion e Device for purifying the exhaust gas of an internal combustion e

1997-09-11

1999-08-24

Denion, Thomas E.

Power plants

Internal combustion engine with treatment or handling of...

Having auxiliary device mechanically driven by exhaust gas

60288, 60291, 60295, 60311, 55DIG30, 55284, F01N 504

Patent

active

059410663

ABSTRACT:
A device for purifying the exhaust gas of an internal combustion engine is disclosed. The device comprises a collision collecting type filter for collecting particulates which is arranged in an exhaust passage, can vary a pressure in the exhaust passage on at least one of the upstream side and downstream side of said filter, determines that the collected particulates have been burned and the filter has been regenerated, and suddenly changes the pressure in the exhaust passage when it is determined that the filter has been regenerated.

REFERENCES:
patent: 4702075 (1987-10-01), Jenny
patent: 5123243 (1992-06-01), Baddour
patent: 5253476 (1993-10-01), Levendis et al.
patent: 5426936 (1995-06-01), Levendis et al.
patent: 5616171 (1997-04-01), Barris et al.

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