How Internal Combustion Car Engine Works

Let s see what elements the ICE made of and what happens at different stages of its operation.

The main elements of the Internal Combustion Car Engine

The piston is placed on the connecting rod attached to the crankshaft. This construction allows converting the linear displacement of the piston into a rotating shaft.

The piston is fitted into a cylindrical bore executed in the block. The bore, piston, and cylinder block surfaces form a working chamber.

The Internal Combustion Car Engine Works design

Valves are installed in the lid, allowing to connect the chamber to the intake or exhaust manifold. The gas distribution mechanism is responsible for opening the valves. The fuel is delivered to the working chamber through the nozzle. The candle provides a spark to ignite the mixture.

Phases in the power cycle ICE

The engine cycle has four phases (engine stroke).

engine stroke (ICE)

How many pistons can there be in an internal combustion engine?

So, it turns out that the piston rotates the shaft only for one part of the cycle. The shaft moves the piston the rest of the time, but where does it get the energy? A flywheel can be installed on the shaft, and then it will move by inertia. By the way, you can install several pistons on one shaft. Now that we have identified 4 phases installing four pistons on the shaft is logical.

While one sucks in the air, the other compresses the mixture, the third executes the working stroke, forcing the crankshaft to move, and the fourth displaces the exhaust gases into the exhaust manifold. To increase the power, you can increase the number of pistons to six, eight, twelve, or use turbocharging.

Internal Combustion Car Engine Works with turbocharging

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