Common Rail Fuel Injector Nozzle 0445120057 for Qsb6.7 Engine

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Product Title: Diesel Engine Injector Nozzle

Product Model: A490B-DSLA153P009 for Xinchai A490BPG Engine

 

 

 

 

 

 

 

Item	Description
Product Name	Diesel Engine Injector Nozzle (A490B/P009)
P/N	A490B-DSLA153P009
Applied Model	Xinchai A490BPG Engine, Dachai CA498 Engine
Net Weight (kg)	0.80
Gross Weight (kg)	1.50
Qty per Carton	10
Carton Size (cm)	16*10*7

 

 

 

The Function of the Fuel Injector in an Engine:

 

Fuel Pathway: Starting from the fuel source, the fuel pump draws fuel from the tank and delivers it to the fuel line, which in turn transports the fuel to the fuel rail. The fuel rail maintains consistent fuel pressure across all cylinders thanks to the fuel pressure regulator. This regulator ensures that the fuel pressure supplied to each cylinder is the same.

 

Simultaneously, the pressure regulator also manages excess fuel by returning it to the fuel tank via the return line, maintaining a balanced pressure level within the fuel system.

Injector Operation: One end of the fuel injector is connected to the fuel rail. The Engine Control Unit (ECU) sends signals to the injectors based on the engine's operational status, dictating when and how much fuel should be sprayed into the combustion chamber. The amount of fuel injected is determined by both the fuel pressure and the duration for which the injector is open (the pulse width).

 

The fuel pressure within the rail is regulated by the fuel pressure regulator, which adjusts the pressure according to the engine load (manifold vacuum). Consequently, the ECU controls the injection timing and duration. When more fuel is needed, the ECU will command a longer injection duration, and conversely, when less fuel is required, the injection duration will be shorter.

 

 

We are guided by science and technology, driven by the quality of talents and develop new markets with quality and reputation. Relying on advanced production technology, flexible business methods, excellent products, and high-quality services, we provide customers with high-quality Common Rail Fuel Injector Nozzle 0445120057 for Qsb6.7 Engine. We insist on the idea that talent is the first resource and the first driving force of an enterprise, and we adopt talents according to their abilities. We take quality as life, time as reputation and price as competitiveness to base ourselves on the industry.