ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,283, issued on June 17, was assigned to Siemens AG (Munich).
"Fault detection in spring-loaded drives of medium-voltage switchgear systems" was invented by Stefan Lecheler (Berlin) and Malte Georg Hirte (Petershagen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a spring-loaded drive of a medium-voltage switchgear system includes at least the following steps: measuring a drive current of an electric auxiliary drive for loading a drive spring of the spring-loaded drive of the medium-voltage switchgear system; loading the drive spring by the electric auxiliary drive; creating an evaluation data set in accordance with the...