A carburetor is a mechanical device that mixes a certain percentage of gasoline with air under the action of a vacuum generated by engine operation. As a precise mechanical device, the carburetor uses the kinetic energy of the inhaled air flow to atomize the gasoline. Its important role for the engine can be called the heart of the engine. Its complete device should include starting device, idling device, medium load device, full load device, acceleration device. The carburetor will automatically proportion the corresponding concentration and output the corresponding amount of mixture according to the different working conditions of the engine. In order to make the mixture more uniform, the carburetor also has the effect of atomizing the fu