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What is the structure of the engine nozzle?

1

Function

is actually a simple injector solenoid valve, when the solenoid is energized, a suction force, the needle since the valve is sucked, the injection hole is opened, the fuel by the annular gap between the shaft and the needle head of the needle valve orifice high velocity, mist form, facilitates complete combustion.

2

works [123 ]

nozzle itself is a normally closed valve (normally closed valve means when no input control signal, the valve has been in a closed state; the normally open valve is when no input control signal, the valve It has been turned on) by a vertical movement of the valve needle controlling opening and closing of the valve. When the fuel injection ECU issued instructions that cause the voltage signal in the coil current flowing through the nozzle, generating a magnetic field to pick up the needle valve, the valve opens so that oil can be discharged from Haoshi injection hole.

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