What are the two air pipes on the valve cover of an automobile? One is in front of the throttle and the other is behind the throttle.

Both gas pipes are connected to the outlet connector behind the oil baffle of the valve chamber. The connector is directly connected to the air inlet hose through the air pipe. The mixed exhaust gas of engine oil and fuel discharged by reducing the crankcase pressure is sucked into the cylinder and burned together with atomized gasoline. The faster the rotating speed, the more crankcase exhaust gas will be discharged. The more exhaust gas enters the throttle. The pressure has increased.

Function of valve

It is responsible for feeding air into the engine and discharging exhaust gas after combustion. From the engine structure, it can be divided into intake valve and exhaust valve. The function of the intake valve is to draw air into the engine and mix it with fuel for combustion; The function of the exhaust valve is to exhaust the exhaust gas after combustion and dissipate heat.