Idling and part-load control of ignition distributor responsive

Details Idling and part-load control of ignition distributor responsive Idling and part-load control of ignition distributor responsive

1974-05-20

1977-02-15

Croyle, Carlton R.

Power plants

Internal combustion engine with treatment or handling of...

Methods

123117A, F01N 300, F02P 504

Patent

active

040075885

ABSTRACT:
The pollution content, for example, CO and NO.sub.x, of exhaust gas from spark ignition engines is decreased by a reactor and also by retarding ignition spark (a) during engine-idling solely as a function of pressure downstream of throttle valve and (b) during engine part-load solely as a function of pressure upstream of . At engine full-load only the normal spark timing of the engine operates. In this way the minimum effective exhaust gas reactor temperature is quickly reached and maintained during idling and part-load, but the reactor is not overheated when engine is at full-load.

REFERENCES:
patent: 1288736 (1918-12-01), Stone
patent: 3272191 (1966-09-01), Walker
patent: 3457905 (1969-07-01), Jukes
patent: 3478729 (1969-11-01), Tada
patent: 3479998 (1969-11-01), Walker
patent: 3503376 (1970-03-01), Walker
patent: 3650253 (1972-03-01), Cooksey
patent: 3791144 (1974-02-01), Lang
patent: 3793833 (1974-02-01), VAN Basshuysen

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