Gas injector with multiple valve needles
A gas injector and valve needle technology, applied in fuel injection devices, special fuel injection devices, machines/engines, etc., can solve problems such as wear and tear, and achieve the effect of small injection rate
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[0033] Below, refer to the attached Figures 1 to 4 , to describe in detail the gas injector 1 according to the first preferred embodiment of the present invention.
[0034] as from figure 1 As can be seen in the figure, a gas injector 1 for introducing gaseous fuel comprises an electromagnetic actuator 2 , which actuates three valve needles via an actuating unit 3 . as from figure 2 It can be seen that a first valve needle 31 , a second valve needle 32 and a third valve needle 33 are provided. The three valve needles are each arranged at a distance of 120° in the circumferential direction.
[0035] The three valve needles 31, 32, 33 are outwardly opening valve needles and as shown by figure 2 It can be seen that there are valve discs respectively. In this case, the valve disks of the valve needles 31 , 32 , 33 each have the same diameter.
[0036] Electromagnetic actuator 2 includes an armature 20 , which bears against three valve needles 31 , 32 , 33 by means of an a...
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