MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202647074821 A) filed by Hitachi Energy Ltd on June 17, 2026, for An On-Load Tap Changer Comprising A Fastener.
Inventors include Mathae, Jean Louis Grard; Eriksson, Thomas; and Forsman, Daniel.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: An on-load tap changer (OLTC) (1) comprising a housing, said housing comprising a housing body (2) and a metal body (3) attached to the housing body (2) using a plurality of fasteners (4), each respective one of said fasteners (4) comprising: a bolt (5) configured to extend from an outside of the housing body (2), through a respective hole of the housing body (2...