Idle engine speed control apparatus

Details Idle engine speed control apparatus Idle engine speed control apparatus

1991-06-21

1992-09-15

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123436, F02D 4116

Patent

active

051468883

ABSTRACT:
An idle engine speed control apparatus for a multiple cylinder and multiple throttle valve engine includes a bypass passage and an idle control valve connected to each cylinder for controlling idle engine speed. Idle engine speed at a combustion stroke of each cylinder is calculated by a control unit and adjusted to a target engine speed by feedback-controlling each idle control valve according to a signal from the control unit. Furthermore, each throttle valve and idle control valve are disposed in the vicinity of each cylinder to quickly control the engine speed in each cylinder.

REFERENCES:
patent: 4688535 (1987-08-01), Kuttner et al.
Nainen Kikan, "Internal Combustion Engine", vol. 27, No. 341, Mar. 1988.

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