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Engine cylinder injection (back to the classic,DigiPlus fair value injection fuel: engine cylinder injection technology) Engine cylinder injection technology refers to a technology that injects fuel to each cylinder of the engine through the electronic control system. With the development of science and technology, it is gradually The direct injection engine has been replaced, but it has gradually returned in recent years and has become the standard configuration of some high-end models. In this article, we will have an in-depth understanding of the essence and application of engine cylinder injection technology. I. The essence of engine cylinder injection technology 1. Definition of engine cylinder injection technology Engine cylinder injection technology refers to an evolutionary form of fuel injection system, which changes the fuel injector from a non-fixed fuel supply component to one fuel injector per cylinder, and directly injects fuel into a quantitative cylinder.This technology is directly applied to the fuel injection system of the engine, which further improves the fuel efficiency of the engine, while increasing the power output and reducing emissions. Two. Advantages of engine cylinder injection technology compared with other fuel injection technologies Compared with other fuel injection technologies, engine cylinder injection technology has two main advantages: (1) Independent fuel cylinder: the cylinder sprayer injects fuel directly into the cylinder to achieve faster combustion, thus efficiently improving fuel efficiency. Compared with a single intake nozzle, the cylinder nozzle is more conducive to injecting quantitative fuel, suitable for high-pressure and high-temperature environments, and more suitable for the working principle of modern engines. ( 2) Higher power output: Because the cylinder injector can inject more accurately, it can achieve more efficient fuel combustion and provide higher power output under the same fuel supply.This means that the driver can get faster, more agile acceleration and higher maximum speed. II. Application of engine cylinder injection technology 1. It is very common for diesel engines to apply engine cylinder injection technology on diesel engines. Engine cylinder injection technology is suitable for diesel engines, because the ignition properties of diesel are different from gasoline. Diesel requires high temperature to ignite, so the fuel injection system of engine cylinder injection technology is suitable for diesel engines, because it can directly inject a large amount of fuel into the cylinder. Two. For gasoline engines, direct injection technology has gradually replaced cylinder injection technology in recent years. However, in some high-performance engines and specific application scenarios, cylinder injection technology is still one of the few options. For example, cylinder injection technology is suitable for high-pressure engines that require higher strength and more precise control, as well as high-performance sports cars that require high-power output.3. In the future, with the country's higher requirements for environmental protection and emissions, cylinder spraying technology may become the focus again. Since cylinder injection technology aims to improve fuel efficiency and reduce emissions, it is one of the most effective ways for companies to solve emission problems in the future. In addition, compared with direct fuel injection, cylinder injection technology is simpler in principle, more intuitive and easy to understand. It is easier to apply to other engine models in the future, as long as it can achieve the function of quantitative fuel supply. III. Conclusion Although the engine cylinder injection technology has been gradually replaced by direct injection technology, it still has many advantages and applicable scenarios. Combining cylinder injection technology with other advanced technologies may bring more efficient, reliable and environmentally friendly engines to the automotive industry. With the development of science and technology, people's attention to this "classic" technology will gradually increase and bring new possibilities for future development.

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