US Patent Issued to HITACHI ENERGY on Sept. 29 for "Tap changer and a transformer arrangement comprising the tap changer" (Swedish Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,618, issued on Sept. 29, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).

"Tap changer and a transformer arrangement comprising the tap changer" was invented by Tommy Larsson (Ludvika, Sweden) and Jean Louis Gerard Mathae (Ludvika, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a tap changer arranged to be connected to a regulating winding of a rated regulation voltage. The tap changer comprises a diverter switch, a tap selector and a set of tap changer contacts. The tap selector and the diverter switch are encapsulated in a shielding structure arranged to shield the tap selector and the diverter switch fro...