The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2010
Filed:
Sep. 14, 2006
Heinfried Hoffmann, Frankfurt, DE;
Thomas Karte, Bruchköbel, DE;
Jörg Kiesbauer, Eppertshausen, DE;
Mario Menze, Hattersheim, DE;
Ulrich Schulz, Grünstadt, DE;
Heinfried Hoffmann, Frankfurt, DE;
Thomas Karte, Bruchköbel, DE;
Jörg Kiesbauer, Eppertshausen, DE;
Mario Menze, Hattersheim, DE;
Ulrich Schulz, Grünstadt, DE;
Samson Aktiengesellschaft, Frankfurt, DE;
Abstract
In a method or device for function-monitoring an actuator in a process engineering plant, said actuator comprising a valve and an actuating drive for actuating said valve. A positioner is provided for setting a position of the valve, the positioner comprising a controller module. A predefined activation test signal is generated and applied to the controller module to position the actuator into a predefined function condition. A control signal is generated by the controller module for signalling the actuating drive in accordance with the activation test signal and an output control signal is sensed and monitored as compared to a reference control signal.