| Patent Number |
Title Of Patent |
Date Issued |
| 4117289 |
Single tank multibreaker circuit interrupter |
September 26, 1978 |
| A gas insulated circuit breaker is provided having a plurality of circuit interrupters disposed in a single enclosure. Each interrupter is provided with its own high pressure container located within the sealed enclosure; the high pressure container also operates as an insulating support |
| 4096367 |
Gas insulated circuit breaker incorporating complete modular interrupter structure and operating |
June 20, 1978 |
| A gas insulated circuit breaker arrangement incorporating a modular interrupter structure and having a centrally disposed single opening pull-rod and stopping means for both ends of the pull-rod stroke for controlling the movement of all of the masses of the moving parts. The acceler |
| 4063053 |
Adjusting and sealing means for high pressure gas storage tank |
December 13, 1977 |
| A high pressure insulated cylindrical gas storage tank is adapted to store gas at a relatively high pressure and also to support the associated interrupter and blast valve assembly which is mounted within a relatively low pressure tank. To facilitate alignment and adjustment of various |
| 4027125 |
Gas insulated circuit breaker |
May 31, 1977 |
| A single pull rod mechanism for actuating the contacts of each phase of a three-phase gas insulated circuit breaker arrangement utilizes acceleration springs only in relation to the second and third phases. Contact parting velocity is measured externally of the breaker thereby provid |