Pulsed bleed air throttle position controller

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

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123401, F02D 902

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active

044650450

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 modulated by an electrically operated solenoid to maintain the contact arm in one position when the vacuum pressure is maintained at one level. The contact arm is moved to a new position when the solenoid operates to change the vacuum pressure to a different level.

REFERENCES:
patent: 4274376 (1981-06-01), Tsiang et al.

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