Method of reducing pollutants in engine exhaust gas before emiss

Details Method of reducing pollutants in engine exhaust gas before emiss Method of reducing pollutants in engine exhaust gas before emiss

1976-12-07

1979-01-09

Casaregola, Louis J.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60282, F01N 310

Patent

active

041331745

ABSTRACT:
In an engine having an even number of cylinders, the cylinders are divided into two groups each consisting of half the number of the total cylinders, and the two groups are fed with a considerably rich air-fuel mixture and a lean one, respectively. Each of the one group of cylinders is arranged to discharge an exhaust gas rich in HC and CO simultaneously with discharge of another exhaust gas rich in air from a predetermined cylinder of the other group, and the exhaust gases are mixed and reacted with each other in the engine exhaust system.

REFERENCES:
patent: 3200800 (1965-08-01), DuBois
patent: 3708980 (1973-01-01), Truxell
patent: 3805523 (1974-04-01), Tanasawa
patent: 3827237 (1974-08-01), Linder

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