Pulsed bleed air throttle position controller

Details Pulsed bleed air throttle position controller Pulsed bleed air throttle position controller

1982-08-06

1984-07-31

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123360, 91 52, 91459, 251141, F02M 300

Patent

active

044623593

ABSTRACT:
Apparatus for controlling the idle speed of an internal combustion engine. A contact arm contacts a throttle lever to limit movement of the lever in one direction and to move the lever in the opposite direction so to control the position of a carburetor throttle valve. A vacuum operated unit maintains the contact arm at one position and moves it from one position to another. The vacuum pressure at which the vacuum unit operates is controlled by an electrically operated variable position solenoid which controls flow of bleed air to the vacuum unit. When the solenoid is maintained at one position, the contact arm is maintained at a particular position by the vacuum unit. The contact arm is moved to a new position when a change in the solenoid position changes the vacuum pressure in the vacuum unit to a different level.

REFERENCES:
patent: 4095567 (1978-06-01), Chenet
patent: 4168680 (1979-09-01), Kawai et al.
patent: 4274376 (1981-06-01), Tsiang et al.
patent: 4370960 (1983-02-01), Otsuka
patent: 4425767 (1984-01-01), Barbier

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