Automobile fuel supply control

Details Automobile fuel supply control Automobile fuel supply control

1986-04-01

1987-04-14

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123492, 123493, F02M 5100

Patent

active

046569880

ABSTRACT:
A fuel supply control system for an automobile engine comprises a detector for detecting change in engine operating condition, a fuel adjuster for variably controlling the amount of fuel to be supplied to the engine, an A/F ratio setting device for setting the lower or higher A/F ratio of a combustible mixture than the critical A/F ratio to a higher or lower A/F ratio than a critical A/F ratio at which the engine can produce substantially the same or intermediate torque as that produced by the same engine with the supply of such combustible mixture, and a control operable in response to an output from the detector to control the fuel adjuster in such a way that, at the time the engine is desired or required to be switched from one engine operating condition to another, the A/F ratio lower or higher than the critical A/F ratio can be rapidly adjusted to the higher or lower A/F ratio set by the A/F ratio setting device and, thereafter, the A/F ratio can be progressively adjusted to a target or desired value.

REFERENCES:
patent: 4526153 (1985-07-01), Hascgawa et al.
patent: 4542729 (1985-09-01), Yamato et al.
patent: 4552116 (1985-11-01), Kuriwa et al.
patent: 4561403 (1985-12-01), Oyama et al.
patent: 4582037 (1986-04-01), Otsaka et al.

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