Patent ID: 8757584
Filing Date: 2014-06-24
Classification: F16K,H01F

Abstract:
1. An actuating device for actuating an externally connected valve, comprising: a housing; a coil body in said housing, said coil body having a coil winding and enclosing a pole tube at least partially, said pole tube being formed as a receiving sleeve fixed at a free end region thereof at a fixed bearing point; a pole core connected to said free end region of said pole tube and having first and second support parts forming said fixed bearing point, delimiting a gap therebetween and clampingly fixing said free end region therein, said first support part including a constriction site of said pole core having a smaller diameter than a remaining outside diameter of said pole core in a region of said fixed bearing point, a step-shaped transition region resulting from said constriction site forming a caulk surface as said second support part; and an armature guided for longitudinal displacement at least in said receiving sleeve within an armature space therein and interacting with an actuating part for actuating a respective valve part.