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Reconstruction of automobile engines: New design and Global trade intelligence forumsprinciple With the progress of society and science and technology, automobile engines are also constantly being improved and reconstructed to meet higher performance requirements and stricter emission standards. This article will introduce the structure of the automobile engine and the latest design and principle. The structure of the automobile engine mainly includes the following parts: cylinder, piston, connecting rod, crankshaft, valve, intake duct, exhaust duct, ignition system and fuel system. Among them, the crankshaft and cylinder form the center of gravity of the engine, while the piston, connecting rod and crankshaft constitute the most basic movement structural units of the engine. The ignition system and fuel system are necessary parts for the normal operation of the automobile engine. In the latest automobile engine design and principle, there are mainly innovations in the following aspects: I. Reduce the cylinderVolume In order to reduce the weight of the engine and the amount of pollutants emitted, automobile engine designers began to study how to reduce the volume of the cylinder. In the past, car engines usually used atmospheric pressure to compress air and fuel mixtures in order to generate sufficient power. However, this method will take up more space and increase the weight of the engine, so today's car engines usually use more advanced technology to achieve the same effect. II. Adopting turbocharging technology Turbocharging technology is a popular automobile engine design method at present. It uses high-pressure turbines to provide more air to the engine, so that the engine has higher combustion efficiency and better performance. Turbocharging technology is widely used in high-performance cars and racing cars because it can greatly improve the output power of the engine.III. Adopting delayed ignition technology. Delayed ignition technology is an innovative ignition system design that can help the engine burn fuel more effectively in some cases. This technology can intelligently control the ignition time according to the load and speed of the engine, so that the engine is more stable and efficient when driving at high speed. The application of this technology can help car engines more easily meet strict emission standards and energy-saving requirements. IV. Adopt the variable valve timing mechanism. The variable valve timing mechanism can intelligently adjust the opening and closing time of the valve according to the load and speed of the engine. This technology can help the engine achieve higher combustion efficiency and better performance, and also help reduce engine noise and vibration. At present, almost all high-performance cars have adopted a variable valve timing mechanism, so that the engine can better adapt to complex driving environments.In summary, the new design and principle have promoted the development of automobile engines in terms of high efficiency, energy saving and environmental protection. In the future, we believe that the technology of automobile engines will become more and more advanced to provide consumers with a better driving experience.

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