Diesel Engine Fuel System Pdf

Advertisement 

Diesel Engine Fuel System

The fuel system on a diesel engine is a highly specialized set of components which must deliver the correct amount of fuel to the cylinder at the precise moment it is needed. A well-designed fuel system enables the engine to produce maximum power at maximum efficiency with a minimum of exhaust emissions.

Advertisement 

Caterpillar diesel engines are all furnished with a fuel system based on a conventional design, utilizing unit injectors, but with differing means of injector actuation and control.The engine driven transfer pump delivers fuel to the unit injectors via the secondary fuel filter. The pump is equipped with a pump-mounted safety valve and the fuel flow at rated rpm is listed in the technical data and varies with engine speed

Types of Diesel Fuel Injection Systems

advertisement 

Diesel fuel injection systems can be classified into three categories, as follows:

1.Pump-Line-Nozzle

2. Unit Injector

3. Common Rail

Advertisement