Carburetor for internal combustion engines with electronically c

Details Carburetor for internal combustion engines with electronically c Carburetor for internal combustion engines with electronically c

1984-12-21

1986-02-11

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Auxiliary control of carburetor fuel metering

123339, 123376, F02D 1110

Patent

active

045693218

ABSTRACT:
A carburetor is provided which has a main barrel in which there is a throttle which turns integrally with a shaft. An idle system opens into the main barrel through three holes; and a lever is splined to the shaft and connected to the accelerator to open the throttle against the action of a spring. Stop devices operate on the lever to define a first position of the throttle for which the holes are upstream. A second lever is idle mounted on the shaft. This second lever uses pushers and operates against the action of a rod positioned by a rotating cam with an electromagnetic element, or electronic gear box to rotate the first lever. This second lever defines, when the accelerator is released, small opening positions of the throttle differing from the first position. A microprocessor gearbox processes the signals expressing the functioning conditions of the engine to operate the electromagnetic element or electronic gear box.

REFERENCES:
patent: 2338912 (1944-01-01), Ericson
patent: 2454914 (1948-11-01), DeMarco
patent: 3752141 (1973-08-01), Charron et al.
patent: 3760785 (1973-09-01), Harrison et al.
patent: 3805760 (1974-04-01), Yagi et al.
patent: 4022179 (1977-05-01), Kalert et al.
patent: 4095567 (1978-06-01), Chenet
patent: 4335689 (1982-06-01), Abe et al.
patent: 4363303 (1982-12-01), Takayama
patent: 4487186 (1984-12-01), Wahl et al.

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