Spring breakage detection in a pre-tensioned actuator of an actuator valve
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- SAMSON AG
- Filing Date
- 2021-07-27
- Publication Date
- 2026-05-07
AI Technical Summary
Existing methods for detecting spring breakage in pre-tensioned actuators of control valves are unreliable and can lead to late detection or false positives, especially in non-equilibrium situations, and often require interrupting the process or causing process disturbances.
A method using a position sensor and pressure sensor to measure the actual position and pressure of the valve element, comparing these measurements against a pre-defined valve signature and fracture signature to detect spring breakage without interrupting the process, incorporating factors like friction and process medium influences to enhance reliability.
Enables early and reliable detection of spring breakage by analyzing instantaneous changes in valve element behavior, reducing delays and false positives, and adapting to specific installation conditions and process fluctuations.