vw diesel injector nozzles DSLA150P672 nozzle repair kit for 1.9tdi ALH
China Lutong Parts Plant
#vw diesel injector nozzles DSLA150P672 nozzle repair kit for 1.9tdi ALH#
#nozzle repair kit#
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#Fuel Injector Nozzle For VW DSLA150P672 nozzle repair kit for 1.9tdi ALH
Turbocharged direct injection or TDI is a design of turbodiesel engines featuring turbocharging and cylinder-direct fuel injection that was developed and produced by the Volkswagen Group (VW AG). These TDI engines are widely used in all mainstream Volkswagen Group marques of passenger cars and light commercial vehicles made by the company (particularly those sold in Europe). They are also used as marine engines in Volkswagen Marine and Volkswagen Industrial Motor applications.The TDI designation has also been used on vehicles powered by Land Rover-designed diesel engines.
Common Rail Nozzle Function:
Injection nozzles for diesel engines inject the fuel into the combustion chamber, atomize it and seal the combustion chamber by means of the nozzle needle. In the Common Rail System, the injection nozzle is part of the injector.
The injection nozzle consists of the nozzle body the cone of which protrudes into the combustion chamber. The injection orifices through which the fuel is injected are bored in the nozzle cone. The number, configuration, length and diameter of these injection orifices permit the shape of the injection spray to be formed in a way that is ideally matched to the engine cylinder.
Inside the nozzle body is the nozzle needle which, when closed, blocks the injection orifices. For fuel injection, the nozzle needle is raised by the hydraulic servo system of the injector so that the injection orifices are opened. The faster the nozzle needle can be opened and re-closed, the more precisely the injection rate can be controlled.
The injection rate and the shape of the injection spray have a decisive influence on fuel consumption and raw emissions from the engine.
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