US Patent Issued to MITSUBISHI ELECTRIC on July 21 for "Vacuum valve and method for manufacturing same" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,956, issued on July 21, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Vacuum valve and method for manufacturing same" was invented by Katsuya Jinno (Tokyo), Tatsuya Koyama (Tokyo), Taiki Donen (Tokyo), Yasutomo Otake (Tokyo) and Naoya Aihara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum valve includes a structure having: a container in which a fixed-side end plate and a movable-side end plate are fixed to both ends of an insulation cylinder; and an arc shield at an intermediate portion of the insulation cylinder. The vacuum valve includes: a voltage nonlinear resistance layer containing particles having a voltage nonlinear res...