Anti-overrunning device for an internal combustion engine.

摘要

An anti-overrunning device for an internal combustion engine comprising a vibrating pump (41) for generating pneumatic pressure by vibrations of the engine; an actuator (81) having a rod (92) for urging a throttle valve lever (29) in a direction of closing a throttle valve (27) by virtue of the pneumatic pressure of said vibrating pump; and a vibration sensor (101) positioned in a passage (39) for communicating a pressure chamber (85) of said actuator to atmosphere to open said passage by virtue of the vibrations of the engine during overrunning thereof.