ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,186, issued on May 20, was assigned to Hitachi Energy Ltd (Zurich, Switzerland).
"High energy spring drive" was invented by Dhairyshil Ramchandra Desai (Gujarat, India), Chinmay Maheshbhai Dhaduk (Gujarat, India) and Satish Baburao Hajare (Maharashtra, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high energy spring drive to control a high voltage circuit breaker is described. The high energy spring drive includes a closing assembly positioned at a first end and an opening assembly positioned at a second end, a charging assembly positioned between the closing and opening assembly, and a transmission assembly. The closing and opening assembl...