Air/fuel ratio control device for a carburetor

Details Air/fuel ratio control device for a carburetor Air/fuel ratio control device for a carburetor

1983-11-07

1986-03-11

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

261 39D, 261DIG19, 261DIG67, F02M 508

Patent

active

045747555

ABSTRACT:
An intake system for an internal combustion engine having an air/fuel ration control device for closing the vent on a float chamber. The increased pressure within the float chamber from the incoming fuel enrichens the air/fuel mixture to the engine. The vent closure is effected by a valve controller responsive to intake vacuum. The controller is activated by vacuum experienced during engine braking. A bistarter choke system is disclosed including means for disabling the air/fuel ratio control device using either a switching apparatus or the higher pressures within the choke mechanism.

REFERENCES:
patent: 3825238 (1974-07-01), Nishihara et al.
patent: 3939232 (1976-02-01), Higashigawa
patent: 4013741 (1977-03-01), Edmonston
patent: 4191716 (1980-03-01), Yamashita et al.
patent: 4305368 (1981-12-01), Phelan et al.
patent: 4377146 (1983-03-01), Oniki et al.
patent: 4395991 (1983-08-01), Miyachi et al.

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