Throttle control system

Details Throttle control system Throttle control system

1993-09-03

1994-08-02

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 1110

Patent

active

053335848

ABSTRACT:
A throttle control system comprises a throttle valve disposed within an air intake duct of an engine, a direct current motor connected to the throttle valve and driving the throttle valve to open and close by power supply from a battery, a throttle angle sensor for detecting an open angle of the throttle valve, throttle open angle command value deriving unit for deriving an open angle command value for the throttle valve, motor load condition detecting unit for detecting a load condition on the direct current motor, rounding unit for moderating variation of the open angle command value depending upon the load condition of the direct current motor detected by said motor load condition detecting unit, direct current motor drive control unit for controlling driving of the direct current motor so that the throttle valve open angle detected by the throttle angle sensor becomes consistent with the open angle command value.

REFERENCES:
patent: 4569320 (1986-02-01), Collonia
patent: 4612615 (1986-09-01), Murakami
patent: 4941444 (1990-07-01), Fujita
patent: 4963800 (1990-10-01), Kajiwara et al.
patent: 5050552 (1991-09-01), Riehemann
patent: 5115396 (1992-05-01), Keegan
patent: 5150679 (1992-09-01), Peter
patent: 5233958 (1993-08-01), Knoss et al.

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