ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,550, issued on Aug. 19, was assigned to Hitachi Energy Ltd (Zurich, Switzerland).
"Transformer cooling system" was invented by Jens Tepper (Wolfenbuttel, Germany) and Yong Wang (Brilon, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transformer cooling system, includes a dry transformer having a core including a leg, a winding body arranged around the leg, and a cooling channel extending in a direction of a longitudinal axis of the winding body. The cooling channel is disposed between an inner part of the winding body and an outer part of the winding body. The transformer cooling system further includes a housing for containing the dry tra...