Car Engine Parts PDF
Introduction
A car engine is a complex machine made up of many different parts. Each part plays a vital role in the overall function of the engine. In order to understand how a car engine works, it is important to be familiar with the different parts and their functions.
Major Engine Components
Cylinder Block
The cylinder block is the main structural component of the engine. It houses the cylinders, which are the chambers in which the pistons move up and down. The cylinder block also contains the coolant passages that circulate coolant around the engine to keep it cool.
Cylinder Head
The cylinder head is located on top of the cylinder block and forms the combustion chamber. It contains the valves that control the flow of air and fuel into and out of the cylinders. The cylinder head is also responsible for sealing the combustion chamber and preventing leaks.
Pistons
The pistons are cylindrical-shaped components that move up and down inside the cylinders. They are connected to the crankshaft by connecting rods. The pistons compress the air and fuel mixture in the combustion chamber and then push it down to create power.
Connecting Rods
The connecting rods connect the pistons to the crankshaft. They allow the pistons to move up and down while transferring the power from the pistons to the crankshaft.
Crankshaft
The crankshaft is a rotating shaft that converts the reciprocating motion of the pistons into rotary motion. The crankshaft is connected to the flywheel, which helps to smooth out the engine’s operation.
Camshaft
The camshaft is a shaft that controls the opening and closing of the valves. It is driven by the crankshaft and rotates at half the speed of the crankshaft.
Valves
The valves are located in the cylinder head and control the flow of air and fuel into and out of the cylinders. The intake valves allow air and fuel to enter the cylinders, while the exhaust valves allow the exhaust gases to escape.
Timing Belt or Chain
The timing belt or chain synchronizes the rotation of the camshaft with the rotation of the crankshaft. This ensures that the valves open and close at the correct times.
Oil Pump
The oil pump circulates oil throughout the engine to lubricate the moving parts. The oil pump is driven by the crankshaft.
Water Pump
The water pump circulates coolant through the engine to keep it cool. The water pump is driven by the crankshaft.
Fuel Injector
The fuel injector sprays fuel into the cylinders. The fuel injector is controlled by the engine’s electronic control unit (ECU).
Spark Plug
The spark plug provides the spark that ignites the air and fuel mixture in the cylinders. The spark plug is connected to the ignition coil, which generates the high voltage spark.
Conclusion
These are just a few of the many different parts that make up a car engine. Each part plays a vital role in the overall function of the engine. In order to keep your car running properly, it is important to have your engine serviced regularly by a qualified mechanic.
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