How does an inline injection pump work?
How does an inline injection pump work?
A fuel injection pump is used to supply fuel to the engine at a certain pressure. The pump generates the pressure and supplies the fuel with the right quantity at the desired timing. The pressurized fuel is delivered to the nozzle via a high pressure line. The nozzle injects the fuel inside the combustion chamber.
How many types of injection pumps are there?
What are the two basic types of mechanical injection pumps? The main types of injection systems include pump-line-nozzle, unit injector, and common rail. Modern injection systems reach very high injection pressures, and utilize sophisticated electronic control methods.
Which is the in line fuel injection pump?
In-line fuel injection pump The in-line fuel injection pump has the same number of fuel pressure mechanisms (elements) as engine cylinders. This type of pump, including the governor, timer and feed pump on the pump’s body, is mainly used for medium and large trucks and construction machinery.
How does negative pressure fuel injection pump work?
Negative Pressure The piston type supply pump creates a suction at its inlet and pulls fuel from the fuel tank, through the fuel supply lines and through the primary fuel filter. No filter is used on the fuel suction line extending into the fuel tank because wax particles could plug the filter in cold weather.
How does a fuel injector work in an engine?
It’s about as simple as you can get: fuel injectors supply fuel to the engine’s internal combustion chamber. The fuel is dispersed from the injection pump to the combustion chamber via a fairly simple process. Pressurized fuel enters the fuel injector.
How much psi does a fuel injector pump use?
Around 15-20 years ago, it was common for fuel injector pumps to process fuel in a system at around 10,000 to 15,000 psi (pounds per square inch). But that’s only about half of what engines are expected to do today.
Where does the fuel line connect to the injector?
These fuel lines connect between the injection pump to the injectors. Each fuel line includes connection nuts at the pump and injector, and is tagged with the part number for easy identification. Fuel line clamps are discontinued and no longer available.
How much pressure does a fuel injection pump have?
Pressure-Packed Fuel Injection. Today’s diesel fuel injection pumps are under pressure – even more pressure than what was once considered “normal.” Around 15-20 years ago, it was common for fuel injector pumps to process fuel in a system at around 10,000 to 15,000 psi (pounds per square inch).
What happens when the fuel leaves the injector?
When the fuel leaves the fuel injector, a spray tip distributes the fuel as a fine mist. Today’s diesel fuel injection pumps are under pressure – even more pressure than what was once considered “normal.”
How does a pump line nozzle injection system work?
The upward motion of the plunger resulting from the camshaft rotation, cam profile, and the cam follower (Figure 4) continues to push the fuel atop the plunger upward towards a delivery valve.
