Medical PPE HS code verification

* rotor engine originalReason: The Medical PPE HS code verificationforward force rotor engine, also known as the rotor engine, is a unique internal combustion engine that uses a rotor to replace the traditional piston. Generally speaking, rotor engines are designed to make the engine more efficient and reliable, and reduce wear and mechanical failures. In this article, we will learn more about the working principle of rotor engines. Historical background of rotor engines The rotor engine first appeared in the early 20th century, originally by Federico. Fellini invented it in 1918. In 1919, Fellini successfully flew on an airplane by using a rotor engine designed by him independently. Subsequently, a German engineer named Wankel brought the rotor engine to the extreme in the 1950s. After that, the rotor engine madeThe scope of use has also been greatly expanded accordingly, and it is widely used in helicopters, motorcycles, automobiles and other power machinery. Working principle The rotor engine is a variant of a four-stroke piston engine. Unlike the traditional piston engine or diesel engine, its rotor replaces the traditional piston. The Hankel engine is also designed based on this principle. Rotor engines have some advantages, such as they require fewer parts, smaller size, can exert more power, and because they are simpler, they can run more smoothly. The rotor is the core part of the engine, usually composed of the rotating ends of the triangle. The triangular shape of the rotor is similar to that of the triangular piston in the engine. However, unlike the piston, the rotor is always in motion instead of staying in one position.Each triangular end of the engine performs four steps in turn - intake, compression, ignition and exhaust, so that the engine has four strokes. In a standard rotor engine, the rotor often has 3, 4, 5 or 6 tips. Each tip is independent of each other, so different numbers of cylinders can be achieved. Different numbers of tops mean different number of cylinders, so as to perform different heavy-load tasks. The working process of the rotor engine can be briefly described as follows: 1. The principle and gas mixture enter the engine, in which the gas mixture is usually a mixture of gasoline and air. Two. When the rotor rotates, the mixture is moved to a compression chamber. This compression chamber is composed of triangular tips and double-sided channels. 3. In the compression chamber, the gas mixture is compressed, and the ignition system causes sparks on the ignition plug, thus igniting the mixture.Four. When the mixture burns, its high-pressure gas acts on the rotor of the engine to make it rotate; then the power is derived and this power is transmitted to the engine power system. 5. The exhaust gas is discharged from the exhaust pipe. In a word, the core principle of a rotor engine is to rely on the rotation of the rotor to promote the internal mechanism. Compared with traditional piston engines, rotor engines are simpler, more efficient and more reliable.

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