Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
11/2001
11/21/2001EP1155487A1 Circuit breaker
11/21/2001EP1155429A1 Vacuum interrupter chamber with ring-shaped insulator
11/21/2001EP1155428A1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear
11/21/2001EP1068659B1 Encapsulating module with a three-phase switching device for a gas-insulated high-voltage switching installation
11/20/2001CA2051263C Interrupter switch with coordination of disconnect and interrupter linkage
11/15/2001WO2001086769A2 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism
11/15/2001WO2001086678A2 Power circuit breaker having molded insulative casing with a dead front
11/15/2001WO2001086675A2 Flexible shunt for electric power switch
11/15/2001US20010040146 Vacuum switch and vacuum switchgear using the same
11/15/2001CA2408510A1 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism
11/15/2001CA2408505A1 Power circuit breaker having molded insulative casing with a dead front
11/15/2001CA2408499A1 Flexible shunt for electric power switch
11/14/2001CN2459746Y Vacuum loading isolation switch
11/14/2001CN2459745Y Interlocking spring action mechanism for switching on of high voltage circuit breaker
11/14/2001CN1321994A Vacuum box specially adapted for electrical protection device of switch or circuit breaker
11/14/2001CN1074851C Actuating mechanism of circuit breaker
11/13/2001US6317019 Low-voltage multipole circuit breaker with high electrodynamic resistance, whereof the pole shaft is arranged in the compartment housing the poles
11/13/2001US6316742 Limited restrike circuit interrupter used as a line capacitor and load switch
11/13/2001US6316739 Device for controlling a breaker
11/07/2001EP1152446A1 Circuit breaker having a mobile assembly in a gas filled housing
11/07/2001EP1152445A1 Vacuum tube for an electrical protection apparatus such as a switch or a circuit breaker
11/07/2001EP1152444A1 Switch gear
11/07/2001EP1151512A1 High-voltage circuit breaker with at least two circuit breaker poles
11/07/2001CN2458720Y Static conducting rod coupling device for vacuum circuit breaker
11/07/2001CN2458719Y Heat conducting device for vacuum circuit breaker
11/07/2001CN1320941A Vacuum insulation switchgear and making method thereof
11/07/2001CN1320940A Instantaneous current conversion switch technique
11/07/2001CN1320939A Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation
11/07/2001CN1074577C Electrical circuit breaker with gas insulation and self-extinguishing expansion
11/06/2001US6312495 Matrix comprising silver and a granular refractory additive with an average grain size of at most 2 mum, uniformly distributed in the matrix; residual porosity of less than 0.5%.
11/01/2001US20010036541 Ceramic member for bonding, process for producing the same, vacuum switch, and vacuum vessel
11/01/2001US20010035397 Vacuum switch
11/01/2001US20010035396 Arc-blasting switch possessing a break chamber with low gas compression and reciprocating piston movement
11/01/2001US20010035395 Puffer switch having a two-volume break chamber
10/2001
10/31/2001EP1150405A2 Vacuum insulated switch gear and production method thereof
10/31/2001EP1150316A2 Mechanical interlock with overtravel compensation for coordinating operation of circuit breakers
10/31/2001EP1149446A1 Horizontally positioned, encapsulated high-voltage circuit breaker
10/31/2001EP1149398A1 Vacuum switching device
10/31/2001EP1149397A1 Position indicating devices and position locking devices for power circuit breaker systems
10/31/2001EP1149396A1 High voltage circuit breaker, especially a gas-blast circuit breaker
10/31/2001EP0917752B1 Power switch installation with disconnecting functions
10/31/2001DE10058028A1 Phasensteuerungs-Schaltervorrichtung Phase control switch device
10/31/2001CN2457722Y Composite guide sleeve for vacuum arc suppressing room
10/31/2001CN2457721Y Permanent magnet control mechanism
10/31/2001CN1319864A Electric switch with vacuum cavity and flexible connector
10/31/2001CN1319863A Break module and circuit switch with vacuum core cylinder and fixator
10/31/2001CN1319862A Multi-stage electric switch with driving mechanism and break module
10/31/2001CN1074163C Break having lous selfcompression function
10/31/2001CN1074162C Detachable built-in electromagnetic driven type vacuum switch
10/30/2001US6310311 Integrated bushing component
10/30/2001US6310310 Encapsulated vacuum interrupter module removably mounted in a housing
10/30/2001US6308857 Vacuum chamber
10/25/2001US20010033500 Non-linear snubber circuit
10/25/2001DE10019092A1 Niederspannungs-Leistungsschalter mit einem Informationsspeicher Low-voltage circuit breaker having an information memory
10/25/2001DE10019070A1 Device for de-gassing and soldering pre-mounted vacuum switch tubes has base plate with solder point(s), opening for connecting suction pump, bell, stimulation coil, generator and susceptor
10/24/2001EP1148528A1 Puffer-type gas-blast circuit interrupter with a dual volume arc chamber
10/24/2001EP1148527A1 Gas-blast switch having an arc chamber with reduced gas compression and an alternatively moving piston
10/24/2001EP1148526A2 Device for degasing and brazing of premounted vacuum switch bottles
10/24/2001EP1147531A1 Operating device for driving and controlling an electrical switching apparatus
10/24/2001EP1147530A1 Actuating shaft for a multipolar circuit breaker and method for producing same
10/24/2001CN2456298Y High voltage vacuum contactor with composite insulating arc blowout chamber
10/24/2001CN2456297Y Device for preventing break-off current mutual inductor of switch on post
10/23/2001US6307172 Circuit breaker with particle trap
10/19/2001CA2344272A1 Self-blow switch with dual-volume cut-off chamber
10/18/2001WO2001078100A1 Isolating circuit breaker and circuit protection arrangement
10/18/2001WO2001078099A1 Low-voltage circuit breaker comprising a data memory
10/18/2001WO2001078097A1 Method for interrupting a short circuit current in a generator-near zone and method for carrying out said method
10/18/2001US20010030174 Vacuum valve
10/18/2001US20010030173 Contact arc-quenching system for power switchgear
10/18/2001DE10017178A1 Structure for operating vacuum switch chambers with a piezo actuator couples the piezo actuator to a mechanical/hydraulic system to pick up a movable contact drive in a vacuum switch chamber for switching off the switch chamber.
10/17/2001EP1146026A1 Joining method for ceramics and metal and joined body of ceramics and metal joined by the method
10/17/2001EP1145262A1 Vibro-acoustic signature treatment process in high-voltage electromechanical switching system
10/17/2001CN2454890Y Long-distance remote control device for vacuum circuit-breaker
10/17/2001CN1318216A Gas-insulated switching device
10/11/2001US20010027960 Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly
10/11/2001DE10024356C1 Gas-insulated switchgear device using vacuum switches supported within gas-insulated housing by fixing to housing front wall
10/11/2001DE10016950A1 Verfahren zum Abschalten eines Kurzschlussstroms im generatornahen Bereich A method of disconnecting a short-circuit current in the region close to the generator
10/10/2001EP1141984A1 Electric circuit breaker
10/10/2001CN2453533Y Electric driving means for high voltage isolation load switch
10/10/2001CN1072833C Gas circuit breaker
10/09/2001US6299762 Oil-filter assembly
10/04/2001US20010025830 Electrical switchgear apparatus comprising a vacuum cartridge and a flexible electrical connector
10/04/2001US20010025829 Breaking module comprising a vacuum cartridge and fixing means, and an electrical switchgear apparatus comprising such a module
10/04/2001US20010025828 Three-position electrical switch having a switching element that is movable in axial translation
10/04/2001US20010025827 Power breaker
10/04/2001US20010025776 Multipole electrical switchgear apparatus equipped with a drive mechanism and breaking modules
10/04/2001EP1139368A1 Electrical multiphase interrupting device with a driving mechanism and switching modules
10/04/2001EP1139367A1 Load-breaking module with vacuum bottle and fixing means, and switchgear using such a module
10/04/2001EP1139358A1 Electrical switching device having a vacuum bottle and a flexible electrical connection
10/04/2001DE10013233A1 Electrical power switch has switch-off phase in which second arc contact remains stationary while first arc contact moves
10/03/2001CN1072405C Switching device and insulated type switching device with same
10/03/2001CN1072384C Improved flexible connector for circuit breaker
09/2001
09/27/2001WO2001071872A1 Gas insulation switch
09/27/2001WO2001071747A2 System and method for acoustic integrity monitoring
09/27/2001WO2001071741A1 Electric circuit breaker, as well as plant, use and method where such is used
09/27/2001DE10014678A1 Filter bag for absorbing products of decomposition within housing of gas-insulated switching device, such as circuit
09/27/2001DE10013549A1 Medium voltage circuit breaker for load disconnection, comprises resilient bearing or guideway for moving contact pin at angle to longitudinal axis
09/26/2001EP1137138A2 Release for encapsulated switchgear
09/26/2001CN2450777Y Sulfur hexafluoride circuit breaker
09/26/2001CN2450776Y Outdoor vacuum arc chutes assembly with over 66KV voltage grades