4.5.1 Gas distribution mechanism
The gas distribution mechanism serves for the timely admission of a combustible mixture (for example, gasoline and air) into the cylinder and the release of exhaust gases. At least two valves are located in the cylinder head - intake and exhaust ones.
While speaking of valves, we mean valve groups that consist of valves, springs and push rods.
The valves are driven by a camshaft, which in turn is connected through a chain, gear or belt to the crankshaft. A combustible mixture or air enters the cylinder through the intake valve. Exhaust gases escape through the exhaust valve into atmospheric air through the exhaust system.