Anti-overrunning device for an internal combustion engine

Details Anti-overrunning device for an internal combustion engine Anti-overrunning device for an internal combustion engine

1987-09-29

1989-03-07

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123198D, 123376, F02D 902

Patent

active

048096580

ABSTRACT:
An anti-overrunning carburetion system which includes a carburetor with a throttle valve for opening and closing the venturi passage and a pressure responsive actuator having a pressure chamber for actuating the throttle valve to a closing position against a spring bias. A vibration responsive pneumatic pump, having also a pressure chamber, is connected to direct pressure directly to the pressure chamber of the actuator. A vibration sensor in the form of a spring backed ball is mounted to be subject to vibrations of an engine and is in communication with the pressure chamber of the pump and to atmosphere. In response to overrun conditions of the engine, the sensor will connect the pump pressure chamber to atmosphere and allow pressure to develop in the pressure chamber to be directed to the actuator, thus causing the actuator to reduce the throttle opening.

REFERENCES:
patent: 4274376 (1981-06-01), Tsiang et al.
patent: 4696264 (1987-09-01), Vondernau et al.

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