US Patent Issued to Hitachi Energy on March 3 for "Intermediate yoke for a power transformer and power transformer" (Finnish Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,530, issued on March 3, was assigned to Hitachi Energy Ltd (Zurich).

"Intermediate yoke for a power transformer and power transformer" was invented by Esa Virtanen (Vaasa, Finland), Atso Jussila (Vaasa, Finland), Jaakko Ketola (Vaasa, Finland) and Karita Forss (Vaasa, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intermediate yoke for a power transformer with at least three legs, the intermediate yoke including a plurality of pre-stacked intermediate yoke modules for being fitted between the adjacent legs, laminated transformer sheets of an intermediate yoke module bound by stud bolts or other tie rods, the intermediate yoke including pl...