
Typical Car Engine
🔹 An internal combustion engine is made up of several essential components that work together to convert fuel into mechanical power.
🔹 The Cylinder Block is the foundation of the engine. It houses the cylinders, where combustion occurs, and provides support for other engine parts. It’s usually made of cast iron or aluminum for durability and heat resistance.
🔹 Cylinders are hollow tubes within the cylinder block. Depending on the engine, there may be 3, 4, 6, or more cylinders. Inside each cylinder, a piston moves up and down. This motion is central to generating power.
🔹 Pistons are metal components that fit snugly within the cylinders. They compress the air-fuel mixture and transfer the force of combustion to the crankshaft through a connecting rod.
🔹 Above the cylinders sits the cylinder head, which seals the top of the cylinder. It contains valves, spark plugs (in petrol engines), and passageways for fuel and exhaust gases. The valves open and close to control the intake of the air-fuel mixture and the exhaust of combustion gases.
🔹 The camshaft is responsible for opening and closing the valves at the correct time. It is synchronized with the crankshaft via a timing belt or chain.
🔹 The crankcase is the lower part of the engine block, enclosing the crankshaft and often containing the oil sump. It acts as a structural support and holds the lubricating oil.
🔹 Finally, the flywheel is attached to the crankshaft. It helps maintain engine momentum between power strokes and provides a smooth delivery of power. It also assists in starting the engine and connecting it to the transmission.
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