Exhaust particle removing system for an engine

Details Exhaust particle removing system for an engine Exhaust particle removing system for an engine

1985-09-06

1986-12-23

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

55283, 55DIG30, 60286, 60311, F01N 302

Patent

active

046304380

ABSTRACT:
A filter traps particles suspended in exhaust gas emitted from an engine. Degree of clogging of the filter is measured. It is indicated that the measured degree of clogging of the filter is equal to or greater than a first reference level. When the measured degree of clogging of the filter is equal to or greater than the first reference level and a manual switch is in an ON position, the particles deposited on the filter are burned off. When the measured degree of clogging of the filter is equal to or greater than a second reference level, the particles deposited on the filter are burned off independent of whether or not the manual switch is in the ON position. The second reference level is greater than the first reference level. It may be indicated that the particles deposited on the filter are being burned off.

REFERENCES:
patent: 4522027 (1985-06-01), Hasegawa
patent: 4567725 (1986-02-01), Shinzawa

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