HS code mapping to non-tariff measures

Circular engine: The HS code mapping to non-tariff measuresdevelopment trend of future engines is that with the continuous development of automotive science and technology, traditional automotive engines can no longer meet people's requirements for automotive performance, energy saving and environmental protection. Therefore, as an emerging technology in the field of automobile engines, circulating engines have attracted more and more attention. This article will discuss the basic knowledge, advantages and future development trends of circulating engines. I. Basic knowledge of circulating engine Circular engine is a kind of combustion engine, and its working process includes three basic stages of compression, combustion and emission. Unlike traditional engines, the cyclic engine adopts the cyclic combustion method, that is, multiple combustion in the same cylinder, so as to achieve higher efficiency and low emissions.At present, there are mainly the following types of circulating engines: 1. The piston of the rotating piston cycle engine is formed into one or more spheres, and the relationship between the piston and the cylinder changes when rotating to complete multiple combustions in the same cylinder. The advantages of the rotary piston cycle engine are simple structure, light weight, small vibration, and can adapt to a variety of fuels. It is a technology with great potential. Two. Rotary valve cycle engine This engine uses a rotary valve to control the process of inlet and out of gas and fuel, so as to achieve multiple combustion in the same cylinder. The advantage of the rotary valve circulation engine is that it can achieve efficient gas circulation, with the characteristics of low pollution and high efficiency. 3. Vortex circulation engine The vortex circulation engine is a new type of engine, which uses the vortex in the cylinder to control the mixing and combustion of gas, so as to achieve multiple combustion in the same cylinder.The advantages of the vortex circulation engine are simple structure, high efficiency, flexible fuel, low vibration, and good environmental protection performance. II. Advantages of cyclic engines Compared with traditional gasoline engines, cyclic engines have the following advantages: 1. High efficiency and energy saving: Because the cycle engine adopts multiple cycle combustion, it can improve the fuel combustion efficiency, thus achieving higher power output and lower fuel consumption. Two. Low pollution: Multiple cycle combustion of the circulating engine can make the combustion more adequate, reduce the emission of harmful substances, and have better environmental protection performance. 3. Flexible fuel: The circulating engine can adapt to a variety of fuels, such as gasoline, natural gas, liquefied petroleum gas, etc., and has a wider application prospect. Four. Simple structure: Compared with traditional engines, the structure of the circulation engine is simpler, and the accuracy requirements are not high, which can reduce parts and maintenance costs.III. The future development trend of cyclic engines. As an emerging technology in the automotive field, the future development trend of cyclic engines is very promising. The following are the prospects of several aspects: 1. Fuel diversification. In the future, the research and development of cycle engines will increasingly consider the applicability of multiple fuels, so as to further improve their scope of use and adaptability. Two. Energy-saving and environmental protection. In the future, cycle engines will pay more attention to fuel saving and improving the environmental protection performance of emissions. So as to achieve more efficient work, better customer experience and better environmental contribution. 3. Accuracy and manufacturing technology are improved. In the future, precision manufacturing technology will be more applied in cycle engine manufacturing to improve manufacturing accuracy and work efficiency, thereby improving the quality and efficiency of products. Summary: As an emerging technology, although there are still many problems and challenges in the cycle engine, its advantages and future development trend are worth looking forward to.In the future, the cycle engine will better adapt to the needs of environmental protection and energy saving, bringing more efficient solutions to the automobile industry. This is also the reason why cyclic engines have received more and more attention and research.

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