Guangzhou Weihong Machinery Equipment Co., Ltd. |
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6206 - 13 - 3100 Engine Fuel Injector PC78US Diesel Engine Spare
Parts
Specifiion
Type | 6206 - 13 - 3100 Engine Fuel Injector PC78US Diesel Engine Spare Parts |
Part Number | 6206 - 13 - 3100 6204 - 11 - 3100 |
Engine | Diesel engine |
Appliion | Excavator |
Stock | in Stock |
Condition | 100% New |
Service | OEM |
Packing | Neutral Packing |
Warranty | 6 month |
Model Number | PC78US PC120 - 5 4D95 |
Description
The fuel injector is actually a solenoid valve, its nozzle is
facing the intake valve (multi-point out-of-cylinder injection),
and its tail is connected to the fuel distribution pipe. The fuel
comes from the high-pressure oil circuit, flows to the fuel
injector through the channel, and flows to the control chamber
through the orifice. The control chamber is connected to the fuel
circuit through an oil drain hole controlled by the solenoid valve.
When the oil drain hole is closed, the hydraulic pressure acting on
the needle valve control piston exceeds its force on the pressure
bearing surface of the injector needle valve. As a result, the
needle valve is forced into the valve seat and isolates and seals
the high pressure passage from the combustion chamber. When the
solenoid valve of the fuel injector is activated, the oil drain
hole is opened, which causes the pressure in the control chamber to
drop. As a result, the hydraulic pressure on the piston also drops.
Once the hydraulic pressure drops below the pressure acting on the
nozzle needle valve bearing The pressure on the pressure surface,
the needle valve is opened, and the fuel is injected into the
combustion chamber through the nozzle hole. The fuel injection
quantity is determined by the electrical pulse width; pulse width =
fuel injection duration = fuel injection quantity, the fuel
injector should meet the requirements of different types of
combustion chambers for fuel injection characteristics. Generally
speaking, the injection should have a certain penetration distance
and spray cone angle, as well as good atomization quality, and no
dripping phenomenon occurs at the end of the injection.
Characteristic
1. Manufactued According to OEM Specifiions,Same Fits &
Fuctions
2. Aftermarket Engine Fuel Injector
3. 100% Quality Inspection to Ensure High Peformance
4. Good Reliability&Durability,Long Service Life
5 .Made in China with very good quality
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