How does an engine work 8
How does an engine work? - easily explained
Most vehicles are powered by a gasoline engine. If you've always wanted to know how an engine works, we have the answer for you in this article.
How a 4-stroke engine works
The four work steps of an engine consist of intake, compression, work and exhaust. And this is how it works:
- An engine has several cylinders.
- The cylinders work in 4 strokes (4 stroke engine).
- First, the cylinder piston moves down and sucks in a mixture of air and gasoline through a valve.
- In the second step, the piston rises and compresses the mixture.
- In the third cycle, a spark from the spark plug causes this mixture to explode. The pressure now pushes the piston down very quickly.
- In the fourth step, the piston shoots up again and pushes the burnt gases out through a valve.
- This sequence is repeated as long as you keep the engine running.
- The movements are transferred from the piston to a shaft. This in turn is connected to the wheels of your vehicle via the transmission.
Differences between diesel and 2-stroke engines
The functions are basically similar, as all combustion engines repeat the 4 work steps. However, there are a couple of differences:
- There is no spark plug in the diesel engine.
- The explosion of the mixture is caused by the pressure of the piston.
- As the name suggests, a two-stroke engine works in two strokes.
- You will not find any valves here.
- The mixture is drawn in through slots under the piston as it moves upwards.
- At the same time the gas is compressed and ignited.
- When the piston moves down again, new mixture is pushed upwards and the burnt gas is forced outwards.
Read the next post about what causes your car to switch off while driving.
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