Parts of I.C engineParts of I.C engine

Cylinder Cylinder PistonPiston Connecting rodConnecting rod Crank and crank shaftCrank and crank shaft Valves Valves FlywheelFlywheel Crank caseCrank case

CrankshaftCrankshaft CrankCrank is the lever that is the lever that

is connected to the is connected to the end of the connecting end of the connecting rod by a pin joint with rod by a pin joint with other end connected other end connected rigidly to a shaft, called rigidly to a shaft, called crankshaftcrankshaft..

ValvesValves Devices which Devices which control control

the flow of intakethe flow of intake and and exhaust gasesexhaust gases to and to and from the engine from the engine cylinder.cylinder.

Flywheel Flywheel Heavy wheel mounted Heavy wheel mounted

on crankshaft to on crankshaft to maintain maintain uniform uniform rotation of the rotation of the crankshaft.crankshaft.

CrankcaseCrankcase Lower part of the Lower part of the

engine serves as engine serves as enclosure for enclosure for crankshaftcrankshaft and and sump sump for lubricating oilfor lubricating oil..

Four stroke petrol engineFour stroke petrol engine

Suction strokeSuction strokeCompression strokeCompression strokePower strokePower strokeExhaust strokeExhaust stroke