Thursday, April 11, 2013
Working of a Car
When a driver turns a key in the ignition:
- The car battery powers up sending
- Power to the starter motor, which
- Turns the crankshaft, which
- Gets the pistons moving
- With the pistons moving the engine fires up and ticks over
- A fan draws air into the engine via an air filter
- The air filter removes dirt and grit from the air
- The cleaned air is drawn into a chamber where fuel (petrol or diesel) is added
- This fuel-air mix (a vaporised gas) is stored in the chamber
- The driver presses the accelerator pedal
- The throttle valve is opened
- The gas-air mix passes through an intake manifold and is distributed, through intake valves, into the cylinders. The camshaft controls the opening and closing of the valves.
- The distributor makes the spark plugs spark, which ignites the fuel-air mix. The resulting explosion forces a piston to move down which in turn causes the crankshaft to rotate.
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