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Automobile engine structure - A comprehensive understanding of the structure of automobile engine and Binance downloadthe structure of a car engine is the most core part of the vehicle. The engine is very important in terms of comfort and performance.Therefore, it is very necessary for drivers to understand the structure and structure of car engines. This article will introduce the structure and working principle of automobile engines, and deeply analyze the mystery of automobile engines. I. Basic concepts of engines. First of all, we need to understand several basic concepts of automobile engines. An engine refers to a device that converts fuel energy into mechanical energy. It is usually composed of combustion chamber, cylinder, piston, connecting rod, crankshaft, valve and ignition system and other parts. The structure of the engine is generally divided into four parts: intake system, exhaust system, fuel supply system and ignition system. II. Structure and structure of the engine 1. The number and arrangement of cylinders. Automobile engines are divided into single-cylinder, double-cylinder, three-cylinder, four-cylinder, six-cylinder, eight-cylinder and other types. Among them, single-cylinder engines are mostly used for motorcycles, and multi-cylinder engines are mostly used for automobiles.Two. Each cylinder of the cylinder wall and piston has a piston. The piston is a drum-shaped structure and can move up and down in the cylinder. There is a layer of hard metal called the cylinder wall on the cylinder, which can withstand high temperature and high pressure. 3. The crankshaft and the connecting rod crankshaft are another important part of the engine, which converts the up and down movement of the piston in the cylinder into rotating power. The design of the crankshaft can not only directly affect the performance of the car, but also the fuel efficiency of the car. Four. The valve and the camshaft valve are a key component of the engine, which can control the inflow and outflow of gas and the combustion of fuel. The function of the camshaft is to open and close the valve according to a certain rule, so that the cylinder can carry out normal suction and compression. 5. Ignition system The task of the ignition system is to ignite the fuel so that the mixed gas in the cylinder can complete the explosion.The ignition system includes ignition coil, spark plug, distributor, power supply and control module. 6. The task of the intake system and exhaust system is to mix air and fuel to supply the energy needed for the engine. The task of the exhaust system is to discharge the exhaust gas from the engine to ensure that the environment is not polluted. III. Working principle of the engine. The working principle of the automobile engine is to release energy by burning fuel, push the piston, and make the crankshaft rotate to drive the car. The basic steps of engine operation are divided into: air intake, compression, burst and displacement. In the intake stage, the piston in the cylinder moves down to inhale the mixed gas. Next, in the compression stage, the piston moves up to compress the air and fuel into gas. At the outbreak stage, the ignition system is triggered, causing the mixed gas to burn in the cylinder and producing high-temperature and high-pressure combustion gas.In the displacement stage, the piston moves down again to discharge the exhaust gas from the cylinder and start the next cycle. IV. Engine maintenance and repair Engine maintenance and repair are very important, which can not only ensure the performance and fuel efficiency of the car, but also extend the service life of the car. Routine maintenance includes replacing the air filter, replacing the oil and filter, replacing the spark plug, replacing the fuel filter, maintaining the air intake pipe, replacing the tank coolant, etc. When the engine fails, it needs to be repaired properly. Some common car engine failures include: cooling water leakage, difficulty in starting the car, oil ash, combustion chamber carbonisation, etc. These faults can be repaired by checking the fault code of the car and using the corresponding tools. In a word, the engine is one of the most critical parts of the car. To the launching agencyA comprehensive understanding of the manufacturing and working principle can help drivers better understand the performance and driving process of the car. In addition, scientific maintenance and repair can also improve the reliability and service life of the car.

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