Fuel System New Diesel Fuel Injection Pump Head Rotor 1 468 334 456 1468334456 VE Head Rotor for Auto Parts

The diesel pump is one of the key components of the engine lubrication system. Its function is to maintain appropriate pressure of the engine diesel and maintain a certain amount of fuel to forcefully supply fuel to each friction surface, forming a fuel film between the friction surfaces to achieve liquid friction. In order to meet the engine's idling flow demand, traditional fixed-displacement diesel pumps have a large amount of flow redundancy at medium and high speeds. As regulations on emissions and fuel consumption become increasingly stringent, in order to solve the above-mentioned energy waste problem and reduce friction power loss, variable displacement pump technology has begun to be applied to engine systems. In the lubrication system, the function of the diesel pump is to raise the fuel to a certain pressure and then force it to various parts of the diesel engine that need lubrication. Rotor-type diesel pumps are widely used due to their compact structure, small size, light weight, low noise, difficulty in producing "cavitation", and high volumetric efficiency. Diesel engines have the advantages of high thermal efficiency, wide power range coverage, easy maintenance, and relatively small size. They are widely used in various fields such as industry, agriculture, and national defense. In social life, diesel engines occupy a very important position and are the driving force of today's society. An important part of machinery. The high-pressure diesel pump is the power component in the high-pressure common rail fuel injection system. It pressurizes the fuel to realize the conversion between the mechanical energy of the diesel engine and the fuel pressure energy. It is one of the core components of the high-pressure common rail fuel injection system. Currently, radial piston pumps and inline piston pumps are mainly used in high-pressure common rail fuel injection systems.