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Engine diagram (engine working principle diagram,Walletinvestor digi plus master the power core of the car!) The engine is the core part of the car, and its working principle determines the power and performance of the car. This article will introduce the working principle of the engine in detail through engine diagrams, hoping that readers can have a deeper understanding of automobile engines. The engine is mainly composed of cylinder, crankshaft, connecting rod, piston and valve., fuel system, ignition system, etc., the mutual cooperation of the above parts can realize the original work of the engine. Next, we will introduce the working principle of each part in detail in sections. Cylinder The cylinder is one of the most basic and important components of the engine. Its interior is the combustion chamber of the engine, which is the place where the mixed gas is burned. The number of cylinders determines the working type of the engine, and the four-cylinder engine is smoother than the two-cylinder engine. The inner wall of the cylinder has a certain degree of roughness, so the cylinder needs a liquid film formed by lubricating oil to protect the cylinder wall. The thickness of the liquid film is generally tens of microns to 100 microns. The crankshaft crankshaft is the core component that converts the pressure in the cylinder into mechanical power. Its working principle is to convert the high-temperature and high-pressure gas after combustion in the cylinder into a rotational moment. The crankshaft converts the pressure of the gas into the energy of reciprocating motion through the connecting rod, and finally realizes the output power.The material of the crankshaft is generally high-strength ferroalloy. The connecting rod is the main component connecting the crankshaft and piston. The piston is connected to the crankshaft through the connecting rod, and the air pressure kinetic energy is transmitted to the crankshaft through the connecting rod, which is converted into power. At the same time, the connecting rod is equipped with bearings, gaskets, pins and other parts to reduce friction and loss and improve the friction efficiency. The piston is a moving element of the engine. It sucks the mixed gas into the cylinder through the valve and discharges the exhaust gas at the same time. At the same time, the piston will push the connecting rod to drive the crankshaft to rotate when moving, so as to achieve output power. The material of the piston is generally aluminum alloy or magnesium alloy, which can adapt to the needs of the frequent reciptating movement of the piston. The valve valve is the main part of the engine to regulate the inlet and out of gas in the cylinder. It is divided into intake valve and exhaust valve. When the piston goes down, the intake valve will open to let the mixed gas enter the cylinder;When the piston moves up, the exhaust valve opens to discharge the exhaust gas from the cylinder. The valve material is generally high-temperature alloy or titanium alloy to ensure that the valve has good tolerance in high temperature and high pressure environment. Fuel system The fuel system is the power source of the engine. It produces high-temperature and high-pressure gas by burning mixed gases, and finally outputs power. The fuel system consists of a fuel pump, an injector, a fuel tank, a fuel filter, etc. The fuel is pumped from the fuel tank to the combustion chamber through the fuel pump, and then atomized into small particles of liquid through the fuel injector, and finally mixed with the air to burn to generate power. The type and quality of fuel directly affect the combustion efficiency and fuel consumption of the engine. Ignition system Ignition system is the main component of controlling fuel ignition. The ignition system is generally composed of an ignition line, an ignition plug and a spark plug. The working principle of the ignition systemIt is to distribute the current through the ignition wire, which is transmitted from the ignition plug to the spark plug, and sparks are generated to ignite the mixed gas. The quality of the spark plug, the quality of the circuit, and the model of the spark plug will all affect the start-up and operation of the engine. In a word, the engine is the core part of the car, and the collaboration between its components is the key to whether the car can run normally. Through a detailed illustration analysis of the working principle of the engine, we have a deeper understanding of the principle of the engine and the role of various parts, which I believe is a great blessing for car enthusiasts. If you are more interested in engines, it is recommended to read relevant professional books to learn about manufacturing and maintaining cars, so as to improve our understanding of automobile engines.

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