Internal combustion engine with air-fuel ratio control device

Details Internal combustion engine with air-fuel ratio control device Internal combustion engine with air-fuel ratio control device

1976-06-11

1978-09-19

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60285, 123119EC, 261121B, F02B 7510, F02D 3500

Patent

active

041143728

ABSTRACT:
The air-fuel ratio of the air-fuel mixture supplied to the combustion chambers of an internal combustion engine is regulated at a required value by controlling the air amount inducted through an additional air passage into the main well which communicates with the main discharge nozzle of a carburetor. The air amount control is accomplished by valve means which is arranged to open and close in on-and-off manner the additional air passage. An air induction passage is further formed to communicate the additional air passage downstream of the valve means with the atmosphere to introduce further air when the valve means closes the additional air passage and vacuum still remains therewithin.

REFERENCES:
patent: 3861366 (1975-01-01), Masaki
patent: 3906910 (1975-09-01), Szlaga
patent: 3942493 (1976-03-01), Linder
patent: 3963009 (1976-06-01), Mennesson

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