Internal combustion engine equipped with catalytic converter

Details Internal combustion engine equipped with catalytic converter Internal combustion engine equipped with catalytic converter

1976-04-28

1978-07-11

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60289, 60293, F01N 310

Patent

active

040993779

ABSTRACT:
An internal combustion engine equipped with a catalytic converter for catalytically purifying the exhaust gases discharged from the combustion chambers of the engine. The oxygen-combustibles ratio of the exhaust gases introduced to the catalytic converter is normally controlled to a predetermined level suitable for the reaction within the catalytic converter in response to the composition of the exhaust gases upstream of the catalytic converter. However, the secondary air is continuously supplied to the catalytic converter regardless of the oxygen-combustibles ratio of the exhaust gases during cold start or warmup of the engine to rapidly raise the temperature within the catalytic converter to a level over which the catalytic converter effectively functions.

REFERENCES:
patent: 3827237 (1974-08-01), Linder
patent: 3851469 (1974-12-01), Eichler
patent: 3919843 (1975-11-01), Arnaud
patent: 3931710 (1976-01-01), Hartel
patent: 3962867 (1976-06-01), Ikeura
patent: 3986352 (1976-10-01), Casey
patent: 4000615 (1977-01-01), Bockelmann
patent: 4006718 (1977-02-01), Konomi
patent: 4007589 (1977-02-01), Neidhard
patent: 4023359 (1977-05-01), Masaki

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