Patent ID: 9103460
Filing Date: 2015-08-11
Classification: F15B,F16K,Y10T

Abstract:
1. A control head for a fluid-actuated valve, comprising a base body having a coupling device for securing the base body to a shaft section of the valve and supporting a control valve device, which is designed to provide a control fluid flow for actuating a fluidic control means capable of linear movement in the shaft section in order to actuate the valve, and further comprising a position sensing device located on the base body for the determination of an axial position of the control means along a movement axis, wherein the base body further comprises a coupling body including a recess extending along the movement axis and the coupling device includes a locking sleeve having an annular collar mounted rotatably within the recess of the coupling body, a section of the locking sleeve bounding a movement chamber for the control means while forming a seal and the annular collar having an inner engagement surface for securing the shaft section of the valve to the base body.