HS code indexing for specialized products

Engine parts illustration: All-round understanding of the principle of engine structure Engine is HS code indexing for specialized productsan indispensable and important part of modern cars, which has the function of converting fuel into mechanical energy. The principle and structure of the engine are very complex, and the number of engine parts is also quite large. In this article, we will lead readers to understand the structure and principle of the engine in an all-round way through the diagram of engine parts. 1. The piston and piston ring piston are one of the most basic components in the engine. The main function is to push the chemically reacted fuel mixture into the cylinder to realize the operation of the engine. Pistons are usually made of high-strength aluminum alloy or steel, withAt that time, one or more piston rings are also installed on the piston, the main function of which is to prevent oil from flowing into the combustion chamber and reduce the friction between the piston and the cylinder. Two. Crankshaft and connecting rod Crankshaft and connecting rod are one of the most important parts of the engine. The crankshaft is the heart of the engine, which converts thermal energy into mechanical energy through the force of the piston; while the function of the connecting rod is to convert the reciprocating motion of the piston into rotational motion to drive the tires of the car. 3. Valver and valve mechanism Valver and valve mechanism are one of the most important parts of the engine. Their main function is to control the gas flow in the engine to achieve more effective combustion of fuel mixture. The valve mechanism mainly includes camshaft, valve spring and torque rod, while the valve achieves normal operation with the help of the valve mechanism. Four. Fuel injector and oil pump Fuel injector and oil pump are one of the core components in the engine to complete fuel combustion.The oil pump mixes the fuel in the engine with the air by compressing the fuel, while the fuel injector is responsible for injecting the mixed fuel into the cylinder to achieve fuel combustion. 5. Spark plugs and ignition coils Spark plugs and ignition coils are the other two core components in the engine that control fuel combustion. The ignition coil generates high-voltage current through electromagnetic induction, which transmits the current to the spark plug, so that the fuel begins to burn. 6. Water pumps and radiators Water pumps and radiators are one of the core components of the engine to complete heat dissipation. The water pump extracts the coolant from the radiator by mechanical drive, then passes through the duct of the engine, and finally returns to the radiator for heat dissipation. The radiator achieves the purpose of cooling the engine by transferring heat to the surrounding air. 7. Friction disc and air conditioning compressor Friction disc and air conditioning compressor are one of the accessory parts of the engine.The friction plate is mainly responsible for driving the generator, air conditioning compressor and other auxiliary equipment of the vehicle; while the function of the air conditioning compressor is to compress the gas into high-pressure gas to achieve the cooling effect in the vehicle. In summary, the engine is one of the cores of modern cars, and its normal operation is inseparable from the synergy of various parts. Through this article, we can understand that all parts in the engine are built on the basis of mutual cooperation. Only when they work together can the smooth operation of the car be ensured. I believe that through the introduction of this article, readers can have a more comprehensive understanding and recognition of the structure and principle of the engine, so as to further improve their understanding and cognition of cars.

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