Patent ID: 6762387
Filing Date: 2004-07-13
Classification: H01H

Abstract:
A gas-insulated switch having:a breaking section comprising a fixed contact and a moving contact that enable to contact with and separate from said fixed contact, both of said fixed contact and said moving contact installed in a ground vessel filled with insulation gas; an operating device comprising a closing operation section that closes said fixed contact and said moving contact of said breaking section and a breaking operation section that breaks said fixed contact and said moving contact; and a shock absorber that absorbs the shock on both of said fixed contact and said moving contact in a closing operation and a braking operation of said operating device; wherein said shock absorber comprises a piston, a rod end, and a breaking spring guide; said shock absorber is installed in a breaking spring of said breaking operation section of said operating device; and said shock absorber absorbs the shock in both of said closing operation and said breaking operation.