H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
01/2005
01/04/2005	US6838631 Power use circuit breaker and electrical circuit arrangement for electric power generation plant
01/04/2005	CA2200388C Power breaker
12/2004
12/29/2004	WO2004114491A2 Circuit breaker with bonded bushing insulators
12/29/2004	EP1492138A1 Air circuit breaker
12/29/2004	CN2667641Y Operating mechanism for high-voltage vacuum circuit breaker
12/29/2004	CN1182558C Gas circuit breaker
12/29/2004	CN1182557C Mixed circuit switch
12/29/2004	CN1182551C Electromagnetic actuator
12/28/2004	CA2213671C Switch for hookstick operation
12/23/2004	WO2004077471A3 High-voltage loadbreak switch with enhanced arc suppression
12/23/2004	US20040256361 Power switch
12/23/2004	US20040256360 Vacuum switchgear
12/22/2004	CN2665901Y Single end isolated explosion-proof high voltage AC vacuum switch installed on wall
12/22/2004	CN2665900Y Outdoor high voltage vacuum breaker
12/22/2004	CN1557007A 电磁致动器 Electromagnetic actuator
12/16/2004	WO2004109880A2 Switch assembly
12/16/2004	WO2004109734A1 Rocker unit for moving a displaceable contact of a switching device
12/16/2004	WO2004108403A1 Electrical assembly and dielectric material
12/16/2004	US20040251237 Circuit breaker with bonded bushing insulators
12/16/2004	DE10326715B3 Verstelleinrichtung zum Verstellen eines beweglichen Kontaktes einer Schalteinrichtung Means for moving a movable contact of a switching device
12/16/2004	DE10322927A1 Vacuum switching chamber has getter material in form of tablet or ring fixed in recess, preferably bore, in fixed and/or movable contact carrier
12/16/2004	CA2528829A1 Improvement to interchangeable inserts in mobile contact and the support thereof in a monobloc contactor of a traction/braking controller
12/15/2004	EP1485977A1 Arc-resistant switchgear enclosure
12/15/2004	EP1485930A1 Getter device for vacuum circuit breaker
12/15/2004	CN2664156Y Improved structure of enlarged interlacing distances for vacuum circuit breaker
12/15/2004	CN2664155Y Magnetic-coupling linked vacuum switch tube
12/15/2004	CN2664154Y Improved structure of outer insulation of vacuum circuit breaker
12/15/2004	CN2664153Y A vacuum circuit breaker
12/15/2004	CN2664152Y Electromagnetic shielding case for vacuum circuit breaker
12/15/2004	CN2664151Y Slow-disconnecting and slow-connecting apparatus for circuit breaker
12/15/2004	CN2664150Y Operation mechanism for high voltage switch
12/15/2004	CN1555077A Vacuum insulated switching apparatus
12/15/2004	CN1180449C Double movement high voltage circuit breaker
12/15/2004	CN1180448C Vacuum switch device
12/14/2004	US6831828 Gas-insulated switchgear
12/14/2004	US6831244 Gas-insulated switch
12/08/2004	EP1317787B1 Circuit breakers
12/08/2004	CN2662431Y High voltage switch, hydraulic mechanism temperature and pressure control device
12/08/2004	CN1553207A High-frequency wide-band local discharging on-line monitoring method in gas insulative converting station
12/08/2004	CN1179456C Gas insulating switch apparatus
12/08/2004	CN1179455C Gas insulating switch device
12/08/2004	CN1179388C Gas breaker switch
12/08/2004	CN1179387C Gas insulated switch
12/08/2004	CN1179383C Current-limiting switch
12/08/2004	CN1179382C Contact device for current-limiting switch
12/07/2004	US6828521 Method for increasing insulation level in an encapsulation
12/02/2004	US20040242034 Electrical assembly and dielectric material
12/02/2004	US20040238494 Drive device for a switching tube with a fixed and movable contact part
12/02/2004	DE10325141B3 Anordnung mit einem Vakuumleistungsschalter Arrangement with a vacuum breaker
12/01/2004	EP1482528A2 Locking device for a moving contact of a switch device
12/01/2004	EP1281187B1 Power circuit breaker having molded insulative casing with a dead front
12/01/2004	CN2660672Y Hot-line switch of 6-10 KV bus packed reactive compensation capacitor for power station
12/01/2004	CN2660671Y High voltage load switch
12/01/2004	CN2660666Y Pressure jet arc-suppressing appts. of insulator wall for intelligence universal breaker
12/01/2004	CN1551271A Vacuum switch apparatus
12/01/2004	CN1178348C Gas insulating switch device
12/01/2004	CN1178254C Vacuum interrupter chamber with ring-shaped insulator
12/01/2004	CN1178253C Vacuum switch and vacuum switch apparatus using the same
12/01/2004	CN1178252C Gas insulation open-close device
11/2004
11/25/2004	WO2004102599A1 A motion transmission for actuation of a medium or high voltage interrupter apparatus
11/25/2004	US20040232113 Electric switching device for medium or high voltage
11/25/2004	US20040232112 Vacuum switchgear
11/24/2004	EP1480241A1 Hybrid DC circuit breaker with zero current switching and method of switching
11/24/2004	CN2658926Y Vacuum arc-chutes for high capacity contactor
11/24/2004	CN1177347C Compression circuit breaker electrode capable of mounting and dismounting and without notable air consumption
11/24/2004	CN1177346C Operating mechanism for autorecloser with series disconnector
11/23/2004	CA2112029C Electronic trip device comprising a test device
11/18/2004	WO2004100198A1 Electromagnetic actuator
11/18/2004	WO2004073004A3 High voltage operating rod sensor and method of making the same
11/18/2004	CA2523766A1 Electromagnetic actuator
11/17/2004	EP1476887A1 Vacuum interrupter with a switch contact piece
11/17/2004	CN2657183Y Outdoor high voltage combined electrical equipment
11/17/2004	CN1547229A Vacuum switching apparatus
11/17/2004	CN1176514C Gas insulating switching device
11/17/2004	CN1176478C Vacuum box adapted for electrical protection device
11/17/2004	CN1176355C Vacuum detecting method and device for electrostatic charge arc extinguishing chamber with shielding cover
11/16/2004	US6818850 Disconnect switch for switching capacitive currents
11/16/2004	US6818846 Overtoggled interrupter switch assembly
11/11/2004	WO2004097873A2 Vacuum encapsulation having an empty chamber
11/11/2004	US20040222192 Vacuum switch
11/10/2004	CN1175450C Circuit breaker of movable module held in casing filled with pressurised insulation gas
11/10/2004	CN1175449C Break module and circuit switch with vacuum core cylinder and fixator
11/10/2004	CN1175448C Vacuum interrupter with a vapor shield
11/10/2004	CN1174934C Joining method for ceramic and metal and joined body of ceramics and metal joined by the method
11/09/2004	US6816048 Electromagnet and actuating mechanism for switch device, using thereof
11/09/2004	US6815629 Hydraulic pressure actuating apparatus for circuit breaker
11/04/2004	US20040217834 Electromagnet and actuating mechanism for switch device, using thereof
11/04/2004	US20040216991 Circuit-breaker comprising a control assembly and an interrupting chamber, a method of assembling it, and an auxiliary member for assembling it
11/04/2004	US20040216990 Switchgear
11/04/2004	DE10242443B4 Überwachungsanordnung für Hochspannungsschaltanlagen Monitoring arrangement for high voltage switchgear
11/03/2004	EP1192631A4 Encapsulated magnetically actuated vacuum interrupter with integral bushing connector
11/03/2004	EP0934598B1 Vertical antitracking skirts
11/03/2004	CN2653674Y High voltage synchronous vacuum switch
11/03/2004	CN2653673Y Operation mechanism of high voltage breaker
11/03/2004	CN1543658A Drive device for a switching tube with a fixed and movable contact part
11/03/2004	CN1542883A Asymmetric double coil type permanent-magnetic mechanism
11/03/2004	CN1174532C Horizontally positioned encapsulated high-voltage circuit breaker
11/03/2004	CN1174530C Switch apparatus
11/03/2004	CN1174457C Electromagnetic circuit¬�breaker for electric protection switch
11/03/2004	CN1174448C Equipment with electric switch device and cable interlocking device

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