Reducing undesirable components of automotive exhaust gas

Details Reducing undesirable components of automotive exhaust gas Reducing undesirable components of automotive exhaust gas

1973-08-01

1976-06-22

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60278, 60285, 60284, 123117A, 123119A, F02B 7510

Patent

active

039642585

ABSTRACT:
Undesirable pollutants in automotive exhaust gas are reduced using an emission control reactor to oxidize hydrocarbons and CO, and recirculation of some exhaust gas to the engine intake system to reduce NO.sub.x content, the warm-up time of the reactor being reduced by delaying the ignition time until the minimum working temperature of the reactor is attained, and the performance of the engine being improved by interrupting exhaust gas recycle when the engine is choked, or at idling or operating with open throttle.

REFERENCES:
patent: 1761513 (1930-06-01), Arthur
patent: 1897704 (1933-02-01), Mallory
patent: 2809619 (1957-10-01), Norris
patent: 3631845 (1972-01-01), Walker
patent: 3636934 (1972-01-01), Nakajima
patent: 3646764 (1972-03-01), Nakajima
patent: 3665904 (1972-05-01), Goodwillie
patent: 3732696 (1973-05-01), Masaki
patent: 3776205 (1973-12-01), Maruoka
patent: 3791144 (1974-02-01), Lang

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