Which set of mechanisms has the function of controlling and regulating the intake and exhaust of gases inside the engine cylinders?

Question

DentroTest · Accepted Answer

The valve timing system is the set of mechanical components and parts (camshaft, valves, tappets, springs and transmission elements such as belt, chain or gears) that open and close the valves at the precise moment. This system allows fresh air (or mixture) to enter and the burned combustion gases to be expelled, working in strict synchronization with the position of the pistons and the rotation of the crankshaft. For its part, the ignition system is responsible exclusively for producing the spark that ignites the mixture in gasoline engines (diesel engines work by compression ignition), while gasifiers are not components that regulate the gases inside the cylinder.

Which set of mechanisms has the function of controlling and regulating the intake and exhaust of gases inside the engine cylinders?

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