Adaptive feedforward air/fuel ratio control for vapor recovery p

Details Adaptive feedforward air/fuel ratio control for vapor recovery p Adaptive feedforward air/fuel ratio control for vapor recovery p

1985-07-29

1987-02-10

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123520, 123440, F02B 3300

Patent

active

046416234

ABSTRACT:
Controlling air/fuel ratio perturbations in response to purging of fuel vapors from a vapor canister storing fuel vapors from the fuel tank of an internal combustion engine includes feeding forward an offsetting fuel command signal. The feedforward offsetting fuel command signal is used to change, and thereby compensate, a base fuel command signal applied to a fuel injector controller whenever fuel vapor purging is occurring.

REFERENCES:
patent: 4318383 (1982-03-01), Iritani
patent: 4527532 (1985-07-01), Kasai

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