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Basic Parts of the Car Engine : What Are They and What Function Do They Play?

Sarah Bentley

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The engine parts of a car constitute a modern marvel. Whether inside a traditional, electric or hybrid vehicle, each of its elements allows the confluence of various types of energy and contributes to a mechanical result, thereby allowing the vehicle to move from one point to another.

With this mechanical movement, the engine parts or OMC parts of a car made the difference between automated and less modern transport, such as the bicycle or animal-powered cars a great invention, right? In Compare we inform you about the characteristics of the engine, popularly known as the heart of the car.

Engine parts of a car

The engine can be identified as a large piece of metal that is usually located on the front of the vehicle. Its dimensions vary, but it can undoubtedly be regarded as a framework of connectors, valves, tubes and nuts that give strength to the mechanical framework. Among the parts of a car’s engine are:

Cylinders: they can be 1, 2, 4, 6, 8 or 16 block cast metal parts, which is also complemented by cooling water pipes and lubrication oil. The number of cylinders reflects the potential that an engine can have, as well as the level of gasoline consumption. Usually, common-use vehicles have four cylinders. In each of them, the four-stroke sequence of the engine is developed, which implies the transformation of the fuel into the mechanical force necessary for the displacement of the vehicle.

Pistons: they are inside the cylinders and fulfill a wall function since they prevent the leakage of fuels and gases during the process of transformation of matter. They are characterized by their upward and downward movements, generating pressure on the inlet channels of the elements and outlet of the gases produced by the combustion process. The pistons are connected to two elements: the connecting rod (the arm that supports its movement) and the crankshaft (counterweight crank that produces a circular effect of the connecting rod and the piston, facilitating its repetition, such as the pedals of a bicycle).

Cylinder head: it is the top cover of the whole set of cylinders. Here are located some important parts of the engine of a car, such as the air and gasoline intake valve and the gas exhaust valve (combustion waste). Both have their respective entry and exit gates. Also in the stock are the spark plugs, which play a “sparkle” role; and the camshaft, which is a piece of cast iron that controls the movement of the valves as a timer.

Crankcase: plays a role of bucket or tray at the bottom of the engine. It allows depositing the oil used for the lubrication of the parts through a distribution network that surrounds the engine.

How do the parts complement each other?

The engine works with a sequence of four strokes or four strokes, which are expressed as follows:

Step 1: Admission. It originates from a downward movement of the piston, located inside the cylinder. This downward movement allows the opening of the valve that injects a certain amount of fuel and air.

Step 2: Compression. It is done once the valve doors are closed and the piston returns with an upward movement. The pressure inside the cylinder allows a compressed mixture between air and fuel, in high temperatures.

Step 3: Explosion, or power stroke. The mixture generated above is a necessary material for the spark plug to come into play, which plays a role as a sparkler. The resulting explosion causes the piston to come back down with great force.

Step 4: Escape. Here the piston rises again, and with force removes the resulting mixture through the gas exhaust valves.

These four times are repeated continuously while the vehicle is on, multiplying the potential at the time of acceleration and allowing the necessary force to move the vehicle. This is a process that is repeated by cylinder, which as we have said, there are four in most cars. Imagine that it is repeated, harmoniously, tens of times per second!

Sarah graduated from USC with a degree in Mass Communications and went straight to work as a freelance writer covering current affairs. After getting published in Forbes, Sarah did a brief stint at Vice before deciding that the freelance life was more suited to her. She started writing for The Fledged in 2018.

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