Automatic choke for an engine

摘要

An engine starting assist system (14;214) configured to be used on an internal combustion engine (10). The engine starting assist system includes a battery, a choke valve (18) disposed in an air intake of an air/fuel-mixing device, the choke valve (18) having an open position and a closed position, a rotary solenoid (94) powered by the battery, the rotary solenoid having an output shaft (130), and a bimetal coil (86;114). The output shaft (130) of the rotary solenoid is coaxial with the bimetal coil.