Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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09/14/2006 | WO2006096508A2 Variable delay appliance hybrid program timer |
09/14/2006 | US20060202563 Variable delay appliance hybrid program timer |
09/14/2006 | DE4426698B4 Metallgekapseltes, druckgasisoliertes Hochspannungsschaltgerät Metal-enclosed, compressed gas-insulated high-voltage switchgear |
09/13/2006 | CN2817141Y Small-sized vacuum load switch cabinet |
09/13/2006 | CN2817041Y Multiple-speed disjunction contact for super-high-voltage switch |
09/13/2006 | CN1832079A Insulation medium of high-tension vacuum switch equipment |
09/13/2006 | CN1275273C Method and device for monitoring vacuum degree in vacuum circuit breaker |
09/12/2006 | US7105764 Monolithic stationary conductor and current limiting power switch incorporating same |
09/08/2006 | WO2006092380A1 Switching device with a heat tube |
09/08/2006 | CA2599886A1 Switching device with a heat pipe |
09/07/2006 | US20060196851 Multi-path switching configuration |
09/07/2006 | US20060196274 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
09/07/2006 | DE10052412B4 Vakuumleistungsschalter Vacuum Circuit Breaker |
09/06/2006 | EP1697954A1 Medium voltage switchgear assembly |
09/06/2006 | CN2814657Y Outdoor vacuum breaker driving and linking device |
09/06/2006 | CN2814656Y Single-pole DC high-voltage isolating switch |
09/05/2006 | US7102475 Magnetic actuator |
09/05/2006 | US7102253 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
08/31/2006 | WO2006048583A3 Mechanical control device for a switch with three positions and a dead centre |
08/31/2006 | US20060192439 Power control center with solid state device for controlling power transmission |
08/30/2006 | EP1695364A1 Capacitor switch with internal retracting impedance contactor |
08/30/2006 | CN2812266Y A vacuum circuit breaker |
08/30/2006 | CN1825514A 3-position on-off operating machine |
08/30/2006 | CN1272817C Power-off and cutoff switch device comprising a vacuum box |
08/29/2006 | US7098418 Vacuum circuit breaker, vacuum circuit breaker contact slow closing method, and contact erosion measuring method and contact gap length setting method using that slow closing method |
08/24/2006 | WO2006087372A1 Switching resistor for an electric switching device |
08/24/2006 | WO2006031449A3 Circuit interrupting device with a turnbuckle and weld break assembly |
08/24/2006 | US20060186091 Gas-insulated switchgear tank |
08/24/2006 | US20060186090 Breaker for providing successive trip mechanism based on PTC current-limiting device |
08/24/2006 | DE19504714B4 Verfahren und Vorrichtung zur Überwachung einer Zustandsgröße eines Leistungsschalters A method and apparatus for monitoring a state quantity of a circuit breaker |
08/24/2006 | DE102005008313A1 Schaltwiderstand für ein elektrisches Schaltgerät Switching resistor for an electrical switching device |
08/24/2006 | DE102004050786B4 Kupplungsvorrichtung mit Kühlkörper Coupling device with heat sink |
08/24/2006 | CA2598049A1 Switching resistor for an electric switching device |
08/23/2006 | EP1693873A2 Vacuum switchgear |
08/23/2006 | EP1554741B1 Insulant housing comprising an inner ribbed contour |
08/23/2006 | CN2809996Y High voltage load switch |
08/23/2006 | CN2809848Y Self-positioning vacuum arc extinguish chamber |
08/23/2006 | CN2809847Y Multifunctional vacuum arc extinguish chamber with voltage-sharing screening shield |
08/23/2006 | CN2809846Y External type outdoor high-voltage vacuum circuit breaker for current transformer |
08/23/2006 | CN2809845Y Casing structure for reinforced vacuum arc extinguish chamber |
08/23/2006 | CN2809844Y Apparatus for locking bypass load switch upon air press loss with indication function |
08/23/2006 | CN2809843Y A mechanical interlocking mechanism for circuit breaker and three-state isolation switch |
08/23/2006 | CN2809830Y Magnetic-quenching arc extinguish device with automatic changeover switch for dual power supplies |
08/23/2006 | CN2809827Y Spring operating mechanism for bypass load switch |
08/23/2006 | CN1822270A Automatic change-over switch electric appliance |
08/23/2006 | CN1271661C 断路器 Breaker |
08/22/2006 | US7094986 ARC chute assembly |
08/17/2006 | WO2006084401A1 Switch terminal |
08/17/2006 | WO2006084398A1 Switch cabinet for a gas-insulated high-voltage breaker |
08/17/2006 | US20060180576 Electrical service device having an arc prechamber area, prechamber plates and a current -limiting arc-quenching device |
08/17/2006 | DE202006008710U1 Switch e.g. vacuum circuit breaker, has pole, and moving contact of switching tube is connected with one electrical terminal by flexible conductor in fastening area, where integrally molded sleeves are pressure welded in fastening area |
08/17/2006 | DE202006008708U1 Pole unit for vacuum circuit breaker, has guide retainer and insulating body that are fastened to retaining unit of pole carrier by screws, where galvanic connection is provided between pole carrier and screws |
08/17/2006 | DE202006007974U1 Power switch e.g. high current switch, has supporting device comprising insulation body formed as single piece instead of two supporting units that are arranged adjacent to each other at retaining wall |
08/17/2006 | DE19650590B4 Antrieb für einen Schalter Drive for a switch |
08/16/2006 | EP1691389A1 Interrupting chamber for a gas insulated high voltage circuit breaker |
08/16/2006 | EP1691388A1 Plug and socket connector |
08/16/2006 | EP1690276A1 Switchgear for the medium-voltage range and high-voltage range |
08/16/2006 | CN1819084A Arc hood and power distribution system including the same |
08/16/2006 | CN1819076A Actionneur electromagnetique bistable |
08/16/2006 | CN1270336C Electric switch device including explosion chamber fitted with deionizing finned piece |
08/16/2006 | CN1270334C Device for controlling closing of power circuit breaker |
08/15/2006 | US7091439 Isolator/circuit-breaker device for electric substations |
08/15/2006 | US7091438 Circuit breaker with improved arc extinction system |
08/15/2006 | CA2219282C Control method and device for a switchgear actuator |
08/10/2006 | WO2006081697A1 Nozzle fastening system for electric circuit-breakers |
08/10/2006 | DE19816509B4 Abbrandschaltanordnung Consumable |
08/10/2006 | DE10013549B4 Anordnung eines Schalters Arrangement of a switch |
08/09/2006 | CN2805158Y Earthing switch by using vacuum arc-chutes open/close induction current |
08/09/2006 | CN2805059Y Vacuum arc-shutes contact device having main contact and arc contact |
08/09/2006 | CN1815656A Arc-resistance piece structure and vacuum switch contact |
08/09/2006 | CN1815655A Arc-resistance piece structure and vacuum switch contact |
08/09/2006 | CN1815654A Indoor AC high-voltage closed load switch |
08/08/2006 | CA2496250A1 Disconnect switch |
08/03/2006 | WO2006079495A1 Method for producing a contact piece, and corresponding contact piece for a vacuum interrupter chamber |
08/03/2006 | US20060169370 Electrical contact material and method for making same |
08/03/2006 | DE202006007973U1 Power circuit breaker to act as full-load switch has pole unit with pole head and pole carrier and vacuum switching tube in-between with fixed and moving contacts |
08/03/2006 | DE102004047260B4 Isolierstoffgehäuse mit Belüftungsschacht Insulated with ventilation shaft |
08/02/2006 | EP1686602A1 Blast nozzle mounting means for electrical circuit breaker |
08/02/2006 | EP1618577A4 Vacuum circuit breaker |
08/02/2006 | CN2802815Y Vacuum switch connection bus special for capacitor set switch |
08/02/2006 | CN2802806Y Safety protection mechanism for back door of high-tension switch cubicle |
08/02/2006 | CN2802696Y Operation mechanism of outdoor high-tension vacuum circuit breaker |
08/02/2006 | CN2802695Y Hydraulic spring operation mechanism |
08/02/2006 | CN2802687Y Intelligent key and its unlocking mechanism |
08/02/2006 | CN1812035A Contact with strong on-off function |
08/02/2006 | CN1812034A Circuit breaker and contact arc-extinguishing system |
08/02/2006 | CN1812028A Contact with strong connecting-disconnecting function |
07/27/2006 | US20060162194 Manual switch-off device of a permanent magnet switch operating mechanism |
07/27/2006 | DE102005002139A1 Dreistellungsschalter mit Kurvenscheibe Three-position switch with cam |
07/27/2006 | DE10064832B4 Vakuumkammer Vacuum chamber |
07/26/2006 | EP1683171A1 Bypass recloser assembly |
07/26/2006 | EP1683170A1 Switching device |
07/26/2006 | CN2800472Y Load-switch sealing device |
07/26/2006 | CN2800460Y Automatic change-over |
07/26/2006 | CN2800459Y Automatic change-over |
07/26/2006 | CN1808660A Apparatus and method for use in circuit interrupters |
07/26/2006 | CN1808659A Moving mechanism of air flow control ring of high-voltage arc-extinguish chamber |
07/26/2006 | CN1808650A High power hydraulic actuating mechanism |
07/26/2006 | CN1266725C Electric switch |
07/26/2006 | CN1266722C Open-circuit method for breaker of power generator and its control equipment |