Method of adjusting idle speed of an internal combustion engine

Details Method of adjusting idle speed of an internal combustion engine Method of adjusting idle speed of an internal combustion engine

1980-09-17

1982-12-21

Myhre, Charles J.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, F02M 2306

Patent

active

043643477

ABSTRACT:
Idle speed of an internal combustion engine is adjusted by applying a drive signal having a predetermined value to a flow rate control mechanism which is disposed in a main bypass passage bypassing a throttle valve while the flow rate control mechanism is energized by the drive signal to operate the engine at close to a desired idling speed, a flow rate adjustment screw in a second bypass passage also bypassing the throttle valve is adjusted to cause the actual speed of the engine to become equal to the desired idle speed.

REFERENCES:
patent: 2499263 (1950-02-01), Troy
patent: 3964457 (1976-06-01), Coscia
patent: 4240145 (1980-12-01), Yano et al.

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