Livestock products HS code classification

What are Livestock products HS code classificationthe engines (a list of engine parts and their functions) The engine is the most important one in modern machinery and equipment, and it is the core component that drives cars, airplanes, rockets and other vehicles.An engine is composed of many parts, each with different functions and tasks. This article will give a detailed introduction to these important components. 1. Cylinder block and cylinder head. The cylinder block and cylinder head are the main parts of the engine, which play the role of containing the cylinder, providing support and closing the cylinder. The cylinder block is the main part of the engine, which bears all mechanical and thermodynamic pressures. The cylinder head controls the inlet and out of the engine valve and the closure of the cylinder. Two. Pistons and connecting rods, as power transmission components of the engine, pistons and connecting rods play a role in converting the chemical energy generated by the explosion into mechanical energy. The piston moves up and down in the cylinder, thus driving the connecting rod to rotate up and down to transfer energy to the crankshaft. 3. The crankshaft and camshaft. The crankshaft and camshaft are the key parts of the engine. The changes in their angle and shape control the movement of the valve and the intake and exhaust of the cylinder.The crankshaft also converts the movement of the connecting rod into a rotating power, and then transmits it to the gearbox, transmission shaft and wheels. Four. The valve and valve mechanism control the inlet and out of the gas in the cylinder and determine the operating state of the engine. The valve mechanism includes the intake valve mechanism and the exhaust valve mechanism, which functions to balance the flow of the mixture of air and fuel in the cylinder during driving. 5. Ignition system Ignition system is responsible for the control of engine ignition and combustion. It includes ignition plugs, high-voltage wires, regulators, ignition coils and other components. When the intensity of the ignition magnetic pole reaches the maximum, the electrode in the ignition plug will generate sparks, thus igniting the fuel and promoting combustion. 6. Fuel supply system The fuel supply system, also known as the fuel system, handles the supply of fuel flow and mixed gas to ensure the smooth operation of the engine. Fuel supplyThe system includes fuel tanks, oil pumps, fuel injectors, regulators and other equipment, as well as a complex circuit system. 7. Cooling system The cooling system is mainly used for heat dissipation and cooling, which is realized through components such as water pumps, radiators and water pipes. The function of the cooling system is to transfer heat from the inside of the engine to the outside to ensure that the engine is not burned or damaged by heat due to high temperatures. Eight. Lubrication system The lubrication system keeps the engine interior lubricated and clean. The lubrication system includes fuel tank, oil pump, filter and lubrication pipe and other parts. Its working principle is to extract the oil from the fuel tank, press it into the interior of the engine through the oil pump, and provide appropriate lubrication for the lubrication port. Nine. The exhaust pipe is also an important part of the engine, which discharges the exhaust gas generated by the engine from the engine. The structure of the exhaust pipe is solid, can withstand high temperature and pressure changes, and it keeps the exhaust more smooth.Summary: All the above parts are necessary to form a complete engine. Each part does different work, but at the same time cooperates with each other to achieve the final effect. The normal operation of the engine has nothing to do with the failure of any part of it. Therefore, it is especially important to understand the working principle of each part and its functions to maintain the state and performance of the engine.

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