ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,047, issued on Dec. 16, was assigned to MASCHINENFABRIK REINHAUSEN GmbH (Regensburg, Germany).
"Switch unit" was invented by Georg Kellendorfer (Lappersdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switch unit for switching over an onload tap changer. The switch unit has an on-load tap changer with an actuating shaft that actuates a switch; and a drive system with a motor. The drive system is mechanically coupled to and configured to actuate the on-load tap changer. The drive system is configured such that, when the on-load tap changer is actuated, the drive system uses the actuating shaft as a store for kinetic energy in such a way...