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), and to engage with a threaded hole of the metal body (3) on an inside of the housing body (2), said fastener (4) further comprising a bushing (6) inserted in the respective hole of the housing body (2), said bushing (6) comprising a central opening through which the bolt (5) extends. A resilient member, such as rubber or an elastomer, is provided between the bushing (6) and the housing body (2) and is configured to align the bushing (6) with the respective hole of the housing body (2).
Disclaimer: Curated by HT Syndication.
