Process for the regeneration of engine emission particulates dep

Details Process for the regeneration of engine emission particulates dep Process for the regeneration of engine emission particulates dep

1987-02-18

1987-12-01

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60285, 60302, 60311, F01N 302

Patent

active

047095474

ABSTRACT:
A process for the regeneration of engine emission particulates collected in particulate filter traps associated with each of the engine cylinders, or with groups of such cylinders, includes the selective elevation of the emission temperature of at least one of the cylinders or groups to the extent required for regeneration, by oxidation, of the filter trap or traps associated therewith, by supplying engine fuel to such cylinder or cylinders in a predtermined amount to produce the elevated emission temperature, and supplying the remaining of the cylinders with amounts of engine fuel less than such predetermined amount as required to sustain the given engine power output.

REFERENCES:
patent: 3786635 (1974-01-01), Kates
patent: 4452040 (1984-06-01), Kobashi
SAE Publication No. 861110, 1985, DDEC II, Advanced Electronic Diesel Control.

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