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* [Engine working diagram] Understand the working principle of how the car engine works With the popularity of automobiles,global trade management automobile engines have also become a field worth understanding.In the eyes of many people, the big guy of the car engine is a substance that can make the car move, and all the magic happens there. However, the scientific knowledge and complex working principle behind the engine are not so simple. This article will explore the working principle of automobile engines in depth through the working principle diagram of the engine, and understand the knowledge and technology in it. The basic structure of the engine. Before exploring the working principle of the engine in depth, we need to understand the basic structure of the engine first. In order to understand the structure of the engine more intuitively, the following is the basic structure diagram of the engine: 1. Cylinder block 2. Piston 3. Rocking arm 4. Ealue 5. Inlet manifold 6. Exhaust pipe 7. Crankshaft 8. Camshaft 9. The working principle of the exhaust manifold engine. After understanding the basic structure of the engine, we can now have an in-depth understanding of how the engine works.The engine is a thermal machine that drives the piston to move back and forth by burning the heat generated by the mixed gas in the cylinder, thus converting thermal energy into mechanical energy and pushing the vehicle forward. This basic idea is relatively simple, but in practice, the operation of the engine is very complex, involving a variety of knowledge and technology. The working process of the engine can be divided into four main steps: intake, compression, combustion and exhaust. Next, we will introduce these four steps one by one and how the engine completes them. Step 1: When the intake piston falls, a low-pressure area is generated in the cylinder, called the intake stroke. In this process, the diesel or gasoline in the engine is sucked into the cylinder through the intake pipe. The intake manifold is responsible for mixing air and fuel and providing fuel to the cylinder. When the fuel is injected into the cylinder, the intake valve will close.Step 2: When the piston moves up, the air and fuel in the cylinder are compressed. This process is called compression stroke. When the piston reaches the top, the valve closes and the pressure in the cylinder rises sharply, making the mixed gas very hot and ready to be ignited. Step 3: When the piston reaches the top of the combustion, the high-voltage electric spark will hit the mixed gas and generate spark ignition. The mixed gas burns explosively, producing high-temperature and high-pressure gas, pushing the piston down and driving the connecting rod and crankshaft at the same time. At this time, the rocker arm will push open the valve and discharge the exhaust gas generated by combustion. Step 4: As the exhaust piston moves down, the exhaust valve begins to open, and the exhaust gas generated after combustion is discharged to the exhaust pipe. At the same time, the air intake valve begins to open again, and gasoline or diesel enters the cylinder again, completing a complete four-stroke cycle.In summary, this article explores the working principle of automobile engines in depth through the working principle diagram of the engine. We learned that the engine is a complex thermal machinery, which converts energy into mechanical energy by carrying multiple steps such as compression, combustion and exhaust, thus driving the vehicle. In addition, in the working process of the engine, it involves the close cooperation of multiple parts. While ensuring the normal operation of the car, attention should also be paid to the maintenance of the engine to ensure its long-term stable operation.

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