What are the core components that make up the engine?
Release time:
2025-09-12
The core components of the engine can be divided into several major systems, each consisting of several key parts.
The core components of the engine can be divided into several major systems, each composed of several key parts.
First is the crankshaft connecting rod mechanism , which is the power heart of the engine, including the piston, piston rings, connecting rod, crankshaft, and flywheel. The piston moves up and down inside the cylinder, transmitting force to the crankshaft through the connecting rod. The crankshaft then converts this reciprocating motion into rotational motion, and the flywheel helps store and release energy to make the operation smoother.
Next is the valve timing mechanism , responsible for controlling intake and exhaust, allowing air and fuel to enter and exhaust gases to exit. It mainly consists of the camshaft, valves, valve springs, pushrods, and timing chain or belt. The rotation of the camshaft must be synchronized with the crankshaft, and the timing system is the key to ensuring they work in unison.
The cooling system is also indispensable. It includes the water pump, radiator, and thermostat. The water pump circulates coolant between the engine and radiator, the radiator dissipates heat into the air, and the thermostat adjusts the coolant flow path based on temperature to ensure the engine always operates within the proper temperature range.
The lubrication system is equally important, consisting of the oil pump, oil filter, and oil passages. The oil pump delivers oil to all friction surfaces, forming an oil film to reduce wear, while also carrying away some heat and impurities, thereby extending the engine's lifespan.
The fuel supply system is responsible for delivering gasoline or diesel into the cylinder at appropriate pressure and atomization. It includes the fuel tank, fuel pump, fuel filter, and injector. The injector acts like a small nozzle, atomizing the fuel into a mist, which mixes with air and burns more easily.
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