Carburetor with means for compensation of idling revolution

Details Carburetor with means for compensation of idling revolution Carburetor with means for compensation of idling revolution

1981-08-28

1984-01-24

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, F02M 1100, F02M 306

Patent

active

044269684

ABSTRACT:
A carburetor has an apparatus for compensation of idling revolution of an internal combustion engine. The apparatus comprises a bypass passage one end of which is opened to the air suction conduit of the carburetor upstream of a throttle valve, the other end opened to the same downstream of the throttle valve. A fuel passage supplies fuel into the bypass passage to form a fuel-air mixture, a solenoid valve provided on the bypass passage for controlling a quantity of the fuel-air mixture in response to operation of a load such as, for example, heater, a radiator fan, lights, an air conditioner, etc. so that the idling rotational speed to be decreased by such operations is compensated by supplying fuel-air mixture into the air suction conduit.

REFERENCES:
patent: 4253437 (1981-03-01), Haramoto
patent: 4300501 (1981-11-01), Suzuki
patent: 4353338 (1982-10-01), Wakeman
patent: 4365600 (1982-12-01), Nakada et al.

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