Exhaust gas purification device for a compression-ignition combu

Details Exhaust gas purification device for a compression-ignition combu Exhaust gas purification device for a compression-ignition combu

1997-08-06

1999-08-03

Denion, Thomas E.

Power plants

Internal combustion engine with treatment or handling of...

By sorber or mechanical separator

60296, 55DIG30, F01N 300

Patent

active

059309954

ABSTRACT:
An exhaust gas purification device of a compression-ignition combustion engine comprises exhaust branch passages each being connected to a corresponding cylinder of the engine at one end thereof and connected to a common exhaust passage at the other end thereof, and a filter arranged in at least one of the exhaust branch passages to trap particulates in the exhaust gas discharged from the engine. Pressure in the exhaust branch passage upstream of the filter is controlled to continuously make the pressure equal to or greater than a pressure in the exhaust branch passage downstream of the filter.

REFERENCES:
patent: 2706012 (1955-04-01), Chipley
patent: 4663934 (1987-05-01), Sickels
patent: 4709547 (1987-12-01), Pischinger et al.
patent: 4887427 (1989-12-01), Shinzawa et al.
patent: 5171337 (1992-12-01), Pollock

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