Spark plug Inlet valve Exhaust valve CylinderPiston The four-stroke engine.

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Presentation transcript:

Spark plug Inlet valve Exhaust valve CylinderPiston The four-stroke engine

Inlet valve open INDUCTION STROKE The four-stroke engine

Inlet valve open Piston down INDUCTION STROKE The four-stroke engine

Inlet valve open Piston down INDUCTION STROKE The four-stroke engine Fuel in

Inlet valve open Piston down INDUCTION STROKE The four-stroke engine Fuel in

Inlet valve open Fuel in The four-stroke engine INDUCTION STROKE

Inlet valve closed COMPRESSION STROKE The four-stroke engine Piston up

Inlet valve closed COMPRESSION STROKE The four-stroke engine Piston up

Inlet valve closed COMPRESSION STROKE The four-stroke engine Piston up

Inlet valve closed POWER STROKE The four-stroke engine BANG

Inlet valve closed POWER STROKE The four-stroke engine Piston down powerfully

Inlet valve closed POWER STROKE The four-stroke engine Piston down powerfully

Inlet valve closed POWER STROKE The four-stroke engine

Inlet valve closed EXHAUST STROKE The four-stroke engine Exhaust valve open

Inlet valve closed EXHAUST STROKE The four-stroke engine Exhaust valve open Piston up Exhaust gases out

Inlet valve closed EXHAUST STROKE The four-stroke engine Exhaust valve open Piston up Exhaust gases out

Inlet valve open INDUCTION STROKE The four-stroke engine Exhaust valve closed

And so the cycle continues!!