Injection valve for water injection system of internal combustion engine and water injection system
A technology of injection valve and water injection, used in fuel injection devices, internal combustion piston engines, special fuel injection devices, etc., can solve problems such as icing and damage, and achieve the effect of suppressing eddy current, increasing flow speed, and accelerating emptying.
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[0030] Depend on figure 1 An injection valve 1 for a water injection system 50 of an internal combustion engine 100 is obtained, which comprises an annular solenoid coil 2 for acting on a reciprocating armature 3 which is connected to a valve element 4 . In the present case, the valve element 4 is designed as a hollow needle and is connected at its end facing away from the armature 3 to a spherical valve closing element 29 in order to release and close at least one injection opening 30 . When the solenoid coil 2 is energized, a magnetic field is formed whose magnetic force moves the armature 3 together with the valve element 4 and the valve closing element 29 in the direction of the core 5 in order to close the working air gap 31 formed between the core 5 and the armature 3 . In this case, the spherical valve closing element 29 releases the injection opening 30 . If the energization of the solenoid coil 2 is subsequently terminated, the armature 3 , the valve element 4 and th...
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