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| Number | Title | Issue Date |
| 6103986 | Circuit breaker including bridging contact with magnetic structure A U-shaped magnetic plate is positioned on the side of a movable contact shoe opposite to a fixed contact shoe, and the tips of the respective legs of the magnetic plate face via a gap the movable contact shoe in a closed condition of the movable contact ... | 08/15/2000 |
| 6087609 | Circuit breaker, arcing chamber housing for a circuit breaker and housing module for an arcing chamber housing A arcing chamber housing is disclosed for a circuit breaker with a double turning contact breaker. The arcing chamber housing (1) is composed of two housing modules (2, 3) and an extinguishing chamber (19) is arranged in the area of the fixed contact piec... | 07/11/2000 |
| 5834723 | Apparatus for retaining a movable contact in a circuit interrupter An apparatus for retaining a movable contact in a circuit interrupter includes a movable element that is displaced by gas pressure within the interrupter housing resulting from arcs generated during initial displacement of the movable element. The movable... | 11/10/1998 |
| 5686712 | Electrical contact assembly An electrical contact assembly including a pair of first contact arms, each having a terminal end portion, a tip end portion and first contacts fixed to said tip end portions, and a second contact arm arranged opposite the first contact arms and having a ... | 11/11/1997 |
| 5495083 | Electric switch device with separable contacts including fixed contact mounted current limiter and shunt conductor An electrical switch device with separable contacts is provided with a shunt conductor adapted to receive one end of the arc that is struck when the contacts separate after it has jumped a dielectric gap. The shunt conductor determines an interim arc curr... | 02/27/1996 |
| 5493091 | High voltage circuit breaker contact structure including ionization slot and secondary arcing features An electromechanical switch of the contactor or circuit-breaker type with adjacent contacts, which are provided on respective mobile and fixed contact parts. This arrangement defines a narrow ionization slot which is maintained at the start of contact ope... | 02/20/1996 |
| 5313180 | Molded case circuit breaker contact A movable contact bridge of a molded case limiting circuit breaker is supported by a bar by a system of springs enabling opening with electrodynamic repulsion. The contact bridge cooperates with stationary contacts rigidly secured to current input conduct... | 05/17/1994 |
| 4698607 | High speed contact driver for circuit interruption device A bridging contact is arranged across two fixed contacts with a pair of parallel, closely spaced conductors serving as the bridging contact carrier. The conductors each form a pair of upper and lower links joined by means of a toggle pivot pin and are ref... | 10/06/1987 |
| 4658227 | High speed magnetic contact driver A magnetic contact driver is arranged to drive a bridging contact out of electrical connection with a pair of fixed contacts to interrupt the current therethrough. The magnetic driver comprises a conductor winding embedded within notches in a plurality of... | 04/14/1987 |
| 4656445 | High speed contact driver A high speed contact driver for use in an electrical circuit interrupter includes a pair of series-connected, elongate and generally opposing electrical conductors bowed in predetermined, generally opposing contours. These conductors are connected to a br... | 04/07/1987 |
| 4646041 | High speed contact driver for circuit interruption device A bridging contact is arranged across two fixed contacts with a pair of parallel, closely spaced conductors serving as the bridging contact carrier. A high current pulse in opposite direction within the parallel conductors generates electrodynamic forces ... | 02/24/1987 |
| 4644309 | High speed contact driver for circuit interruption device A bridging contact is arranged across two fixed contacts with a pair of parallel, closely spaced conductors serving as the bridging contact carrier. A high current pulse in opposite direction within the parallel conductors generates electrodynamic forces ... | 02/17/1987 |
| 4370636 | Electromagnetic dual break contactor An electromagnetically operated, straight-line motion dual-break electrical contactor has current conductors entering a contact area from opposite directions. In the contact area the conductors are closely spaced and have finite parallel substantially fla... | 01/25/1983 |
| 4151391 | Contact arrangement for a pressurized gas circuit breaker A contact arrangement for a pressurized-gas circuit braker, wherein the contact arrangement comprises a first tubular contact member and a second tubular contact member axially arranged therewith. The contact arrangement is further provided with a hollow ... | 04/24/1979 |
