High voltage interrupting switch with improved contact connection arrangement and method
US4691085A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1985 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Dec 19, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/106
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved high-voltage interrupting switch or interrupter and method of assembly and operation thereof is provided. The switch is of the type including a pair of contacts which are normally electrically interconnected and which are rapidly driven apart and separated to form a gap therebetween, thereby opening the switch. In preferred arrangements, one contact is stationary while a second contact is movable, although both may be movable. One of the contacts, preferably the stationary contact, contains a bore into which a portion of the second contact is telescoped. The second contact is arranged to receive a member to expand portions of the second contact to provide reliable, direct electrical interconnection of the stationary and movable contacts. In a specific arrangement wherein the stationary contact includes a conductive tube and the movable contact is partially telescoped into the bore of the stationary contact, the movable contact includes a bore for receiving a member. The member includes a tapered portion that, upon insertion into the bore of the movable contact, provides a radially-expansive force to a portion of the movable contact. The radially-expansive force expands …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.