The Engine and its Sub Systems

In an internal combustion engine, air and fuel is mixed inside a cylinder within the engine. The burning of this mixture is what produces the energy that will then move the piston down the cylinder. In turn this force is what will be used to move the car. In theory, all of this sounds very simple. However, an engine really consists of several systems that work together to convert chemical power (from the fuel) into usable turning force and power. Let's learn more about each of these systems:

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1) Electrical System - The electrical system of  a car begins with the use of a battery that stores chemical energy. This energy is used to operate the starter, which turns the crankshaft and starts the engine. The electrical energy from the battery is also used to power the fuel pump and to supply the computer and ignition system with the electricity needed to ignite the air and fuel mixture. 

In addition, a car also has an alternator, which begins working once the engine is running, and produces electricity that will operate the engine's electrical systems, recharge the battery, operate lights, blower motors, radio, and other systems. 

2) Fuel System - This system consists of a tank that holds fuel, and electric pump that pumps the fuel out of the tank, a fuel filter, filter lines to deliver the fuel to the engine, and an injection system. Today's cars have a computer system that monitors the injection systems and makes sure precised amounts are burned.

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3) Cooling System - The engine of a vehicle has a dedicated system that cools off the constant heat it produces, which can, at reach several thousands of degrees Fahrenheit. A coolant pump makes a flow of coolant liquid flow through the nonmoving parts of the engine. Then the coolant is circulated through hollow tubes in the radiator, which then transfers the heat to the air that flows around the tubes. 

4) Lubrication System - The lubrication system of an engine helps to reduce friction of moving parts that causes wear. To minimize this friction, the lubrication system comes into place, moving oil to the moving parts, which then helps remove