Idling speed regulator of automobile

The functions of idling speed regulator are very important. It can stabilize engine´s idling speed, which can reduce the oil consumption when automobile is moving with idling speed. This can prevent automobile engine miss. And idling speed could be regulated by controlling throttle valve by-pass style. On the other hand, when automobile engine is in the state of idling speed, the load increases and introduces air-conditioner or power steering. In this paper, we have mainly studied the automobile idling speed regulator´s functions, structure, operating principle and checking methods.