Exhaust gas reburning system

Details Exhaust gas reburning system Exhaust gas reburning system

1975-12-22

1978-03-07

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60289, 60323, F01N 310

Patent

active

040772098

ABSTRACT:
An exhaust gas reburning device comprises a first reaction chamber receiving only rich HC and CO containing engine exhaust gases resulting from combustion of a rich air-fuel mixture having an air-fuel ratio lower than a stoichiometric air-fuel ratio to cause effective oxidation of rich HC and CO in the engine exhaust gases and a second reaction chamber separated from the first reaction chamber and receiving the resultant engine exhaust gases from the first reaction chamber and poor HC and CO containing engine exhaust gases resulting from combustion of a lean air-fuel mixture having an air-fuel ratio higher than the stoichiometric air-fuel ratio to effect sufficient oxidation of lean HC and CO in the engine exhaust gases of the lean air-fuel mixture and the remaining HC and CO in the resultant engine exhaust gases from the first reaction chamber by heat of the resultant exhaust gases and oxygen in the lean HC and CO engine exhaust gases.

REFERENCES:
patent: 3413803 (1968-12-01), Rosenlund
patent: 3785153 (1974-01-01), Schwing
patent: 3839862 (1974-10-01), Gota
patent: 3869858 (1975-03-01), Goto
patent: 3898802 (1975-08-01), Tadokoro
patent: 3934411 (1976-01-01), Masaki
patent: 3934412 (1976-01-01), Masaki

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