Method for controlling a switchable valve, in particular an injection valve of an internal combustion engine of a motor vehicle
A technology for internal combustion engines and motor vehicles, applied to fuel injection devices with noise reduction measures, fuel injection devices, machines/engines, etc., which can solve problems such as impairing comfort and slowing down
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[0026] As already stated in DE 10 2009 047 453 A1, figure 1Components of a solenoid valve 10 are shown schematically, which can be used as an injection valve in an injector 11 for direct fuel injection or intake manifold injection of an internal combustion engine. Currently, the solenoid valve 10 is closed. A solenoid coil 12 with an armature 14 is shown. Furthermore, an inner pole 18 , a cover 34 and a bushing with an outer pole 30 are arranged around the magnetic coil. The armature 14 is delimited axially movable on the valve needle 20 between a lower stop 16 and an upper stop 18 , which is currently a stop fixedly connected to the valve needle. The sleeve, the upper stop part is currently a stop ring fixedly connected with the valve needle. Between the two stops 16 , 18 the armature 14 on the valve needle has an axial play, the so-called armature free path. In the rest state of the armature, the armature is held at the lower stop stroke 16 by the armature spring 32 . V...
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