Rotation speed control device of an internal combustion engine

Details Rotation speed control device of an internal combustion engine Rotation speed control device of an internal combustion engine

1990-12-19

1992-05-12

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123418, 290 40A, F02D 4116

Patent

active

051117886

ABSTRACT:
There is disclosed a rotational speed control device of an internal combustion engine wherein a variation in torque which is a disturbance is detected in order to control the relation between the flow rate of intake air (or the quantity of fuel injected) and the amount of the electric current produced by an alternator, and to reduce the amount of the electric current produced by the alternator only during a period when an increment in the intake air (or the fuel injection) is delayed, thereby stabilizing the engine speed. Also disclosed is a rotational speed control device according to another embodiment of the present invention. This control device detects the variation in torque to control the relation between the amount of the electric current produced by the alternator, the flow rate of the intake air (or the quantity of fuel injected) and the ignition timing, to decrease the amount of the electric current produced by the alternator, and to advance the ignition timing only during a period when an increment in the intake air (or the fuel injection) is delayed, thereby stabilizing the engine speed.

REFERENCES:
patent: 4520272 (1985-05-01), Danno et al.
patent: 4572127 (1986-02-01), Morris
patent: 4651081 (1987-03-01), Nishimura et al.
patent: 4862851 (1989-09-01), Washino et al.
patent: 4989565 (1991-02-01), Shimomura et al.

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