Engine control method

Details Engine control method Engine control method

1983-11-25

1985-06-25

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, 123179G, F02D 1110

Patent

active

045247390

ABSTRACT:
An engine control method for an engine control system comprising a central processing unit for computing a value of duty factor for a by-pass valve in response to the respective outputs of a plurality of sensors for detecting operating conditions of the engine and a pulse generating circuit responsive to the output of the central processing unit for supplying the by-pass valve with a pulse signal representing the computed value of duty factor. The engine control method comprises a step of computing the duty factor for the by-pass valve on the basis of the outputs of the sensors in an idling operation of the engine, and a step of supplying the by-pass valve with a pulse signal representing a predetermined duty factor on the basis of the computed value of duty factor.

REFERENCES:
patent: 3964457 (1976-06-01), Coscia
patent: 4237838 (1980-12-01), Kinugawa
patent: 4344398 (1902-08-01), Ikeura
patent: 4364348 (1982-12-01), Itoh
patent: 4387682 (1983-06-01), Miyagi
patent: 4391244 (1983-07-01), Kobashi
patent: 4392468 (1983-07-01), Kobayashi
patent: 4406261 (1983-09-01), Ikeura
patent: 4414943 (1983-11-01), Nagase

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