3TNE84 3TNE88 2nd Fuel Injection Pump 729065 - 51370 For Excavator
PC30 PC35
Specification
| Car name: Fuel Injection Pump | Model Number: 3D84 - 3 |
| Quality: High quality | Engine type: Diesel |
| Application: Excavator | Part code: 729065 - 51370 |
| Cooling: Water cooling | Injection: Direct |
Description
What is the function of fuel injection pump?
Following are some of the major functions of the fuel injection
pump:
1. Pumping fuel at high pressure: It is the main function of the
fuel injection pump. The fuel injection pump draws fuel from a fuel
tank and pumped it at high pressure to all injectors.
In an electronic fuel injection system, the fuel injection pump is
used only for pressurizing the fuel line.
2. Metering of the fuel: The inline fuel injector pump helps to
control the amount of fuel to be supplied to the injector.
3.Distribution of fuel: This is another important function of the
fuel injection pump, to distribute the fuel to all the injectors at
the exact time.
In inline fuel injection, the separate plunger and fuel barrel for
each engine cylinder are used to supply fuel to all the injectors.
In the distribution pump, the rotor helps to distribute fuel to all
the cylinders.
4. Cooling of fuel injectors: The fuel injectors are directly
subjected to the combustion process, thus the fuel injectors are
subjected to a higher temperature. By pumping the low-temperature
fuel into the injector, the fuel injection pump helps for the
cooling of the fuel injectors.
Fuel injection pump types:
Following are the different types of fuel injection pumps used in
diesel engines
- Inline fuel injection pump
- Distributor fuel injection pump
- 3.Continuous fuel injection pump
How does a Inline fuel injection pump work?
The inline fuel injection pump uses a plunger and fuel barrel to
pump the fuel. The pump uses the number of plungers equal to the
number of fuel injectors and all are arranged in the same line.
The schematic diagram for the inline fuel injection pump is shown
below.
The fuel injection pump is ultimately controlled by a device known
as a governor. The governor cuts the supply of fuel in event that
the moving parts of the engine become too hot and endanger its
life. This has the bonus of controlling the speeds a vehicle can
reach in order to conform to local laws.
