Engine idle speed control with feedforward power adjustment

Details Engine idle speed control with feedforward power adjustment Engine idle speed control with feedforward power adjustment

1987-02-13

1988-02-16

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

180 693, F02M 307

Patent

active

047248106

ABSTRACT:
A feedforward throttle adjustment for a closed loop idle speed control provides engine power output required to drive a variable power steering load while maintaining the engine idle speed in a desired range. The working pressure of the power steering system is detected, and the change in such pressure in the course of a steering maneuver is used to initiate an increase in the engine power output setting. The increase is determined in relation to the peak pressure change; it is implemented at a pedetermined rate, and is subject to interruption whenever the pressure change indicates that the steering maneuver has ended.

REFERENCES:
patent: 3022849 (1962-02-01), Braun
patent: 3146844 (1964-09-01), Carlson
patent: 3146845 (1964-09-01), Carlson
patent: 4225003 (1980-09-01), Yoshimura
patent: 4321900 (1982-03-01), Takeda
patent: 4520777 (1985-06-01), Hatori et al.
patent: 4545449 (1985-10-01), Fujiwara

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