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| Number | Title | Issue Date |
| 8063334 | Switching device, in particular power switching device The switching device of at least one embodiment includes at least two switching contacts for interruption of a current path, with the switching contacts being arranged in a quenching chamber in order to quench an arc which is struck on opening. The quenching chamber... | 11/22/2011 |
| 6267876 | Control of magnetic bearing-supported rotors Rotor systems are provided comprising rotor, magnetic bearings and a magnetic bearing controller. The controller is one which varies in accordance with linear parameters and is preferably responsive to linear matrix inequalities. High speed, low loss flyw... | 07/31/2001 |
| 4621561 | Switch for inductive energy store transfer circuit A switch for use in an inductive energy store transfer circuit utilizes a quantity of electrically conductive liquid bidirectionally flowable between a position that establishes electrical connection between electrodes and a position that opens electrical... | 11/11/1986 |
| 4611189 | Underoil primary circuit breaker An underoil primary circuit breaker having a fixed contact assembly and a rod contact, a trip-free latch mechanism for moving the rod contact toward and away from the fixed contact, a temperature responsive magnetically controlled trip assembly for releas... | 09/09/1986 |
| 4604508 | Electric circuit breaker of the type using an arc quenching fluid with pressure self-generating due to the breakdown of the fluid In an electric circuit breaker of the type using an arc quenching fluid with pressure self-generating by the breakdown of the fluid due to the same arc, comprising, inside a tightly sealed insulating casing filled with the extinguishing fluid, in particul... | 08/05/1986 |
| 4206331 | Self-generating fluid-blast single-break circuit-interrupter A self-extinguishing-type of fluid-blast circuit-interrupter is provided, of the single-break type, utilizing a plurality of pressure-generating chambers disposed in series relation, and compartmentalizing the extinguishing chambers so as to act transvers... | 06/03/1980 |
