| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 03/22/2007 | WO2007031040A1 Vacuum interrupter |
| 03/22/2007 | US20070062912 Switchgear device comprising an arc chute of reduced size |
| 03/22/2007 | US20070062911 Method and device for supplying at least one machining station for a workpiece |
| 03/22/2007 | DE102005044906A1 Schalteinrichtung und elektrisch ansteuerbarer Aktor, insbesondere zur Schnellabschaltung eines Kurzschlussstromes Switching means and electrically controllable actuator, in particular for fast shutdown of a short-circuit current |
| 03/21/2007 | EP1763888A2 Switching contact comprising annular supporting body for vacuum interrupters |
| 03/21/2007 | EP1763887A1 Vacuum switch chamber with a protective sleeve that is applied by heat shrinking |
| 03/21/2007 | CN2881932Y Permanent magnetic mechanism controller for vacuum circuit breaker with integral protection function |
| 03/21/2007 | CN2881931Y Permanent magnetic operation mechanism of single phase vacuum circuit breaker |
| 03/21/2007 | CN2881929Y On-off isolating switch-on mechanism |
| 03/21/2007 | CN1933078A Vacuum switchgear |
| 03/21/2007 | CN1932539A Transformer partial discharge super high frequency detector |
| 03/21/2007 | CN1306672C Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing system for carrying out the same |
| 03/21/2007 | CN1306533C Shutting-off operation device of breaker |
| 03/21/2007 | CN1306532C Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator |
| 03/20/2007 | US7193172 Gas-insulated switchgear tank |
| 03/20/2007 | CA2238724C Combined wire lead and interphase barrier for power switches |
| 03/15/2007 | US20070056931 Replaceable arc splitter cassette for a circuit breaker and circuit breaker having a replaceable arc splitter cassette |
| 03/15/2007 | DE102005043396A1 Auswechselbare Löschblechkassette für einen Leistungsschalter sowie Leistungsschalter mit auswechselbarer Löschblechkassette Interchangeable splitter plate assembly for a power switch and power switch with replaceable cartridge splitter |
| 03/14/2007 | EP1763049A1 Vacuum switchgear |
| 03/14/2007 | CN2879399Y Permanent-magnetic operating mechanism for high-voltage grade vacuum switch |
| 03/14/2007 | CN2879398Y Vacuum breaker with double buffer shock-proof device |
| 03/14/2007 | CN2879397Y Vacuum breaker with contact abrasion thickness detecting device |
| 03/14/2007 | CN2879396Y Indoor high-voltage permanent-magnetic synchro vacuum breaker |
| 03/14/2007 | CN2879395Y Shunt switch spring device for breaking mechanism |
| 03/14/2007 | CN2879394Y Spring operating mechanism for circuit breaker |
| 03/14/2007 | CN2879381Y Gradual changing damp oil bumper |
| 03/14/2007 | CN1929058A Bidirectional energy-storage high-speed disjunction contact for extra-high voltage breaker |
| 03/14/2007 | CN1305090C Longitudinal of vacuum circuit breaker transmission |
| 03/07/2007 | EP1760744A1 Vacuum circuit breaker with an arc moved by a permanent magnet |
| 03/07/2007 | EP1760743A1 Vacuum circuit breaker with rotatably mounted movable contact |
| 03/07/2007 | CN1926734A Compressed gas insulated separating switch component and leadthrough arrangement |
| 03/07/2007 | CN1925084A Porcelain knob breaker |
| 03/07/2007 | CN1925083A Accident indicator for high-voltage vacuum switch |
| 03/07/2007 | CN1924595A Virtual instrument technique based gas insulation combined electric appliances online detecting method |
| 03/06/2007 | US7186942 Three-position vacuum interrupter disconnect switch providing current interruption, disconnection and grounding |
| 03/01/2007 | WO2007023113A1 Insulating element for a medium-voltage switchgear |
| 03/01/2007 | WO2007022931A1 Method for producing circuit-breaker parts for low, medium and high-voltage switching stations and corresponding circuit-breaker part |
| 03/01/2007 | WO2005122200A3 Pocket-sized travel book |
| 03/01/2007 | DE102005040432A1 Strombegrenzender Schalter The current limiting switch |
| 03/01/2007 | DE102005039555A1 Verfahren zur Herstellung von Schalterpolteilen für Nieder - Mittel - und Hochspannungsschaltanlagen, sowie Schalterpolteil selbst Process for the preparation of Schalterpolteilen for low - medium - high voltage equipment, and even Schalterpolteil |
| 02/28/2007 | EP1756927A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
| 02/28/2007 | EP1756846A1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
| 02/28/2007 | EP1529299B1 Drive mechanism for switching installation, and method for operating it |
| 02/28/2007 | EP1493165B1 Ceramic tube for vacuum circuit breaker |
| 02/28/2007 | CN2874874Y Fuse device of sulfur hexafluoride combined electric appliance cabinet |
| 02/28/2007 | CN2874743Y Electromagnetic operation permanent magnet keeping operation mechanism |
| 02/28/2007 | CN2874092Y Hydraulic mechanism pressure compensation valve of special high pressure brake |
| 02/28/2007 | CN1921251A Pull type breaker |
| 02/28/2007 | CN1921049A Low-voltage vacuum switch |
| 02/28/2007 | CN1921048A Method for improving opening capability of SF circuit breaker in low-temperature behavior |
| 02/28/2007 | CN1302499C Vacuum interrupter with a switch contact piece |
| 02/28/2007 | CN1302498C Circuit breaker |
| 02/27/2007 | US7184895 Method and system of non-intrusively monitoring the mixture ratio of a gas mixture having at least two components |
| 02/27/2007 | US7183672 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
| 02/22/2007 | US20070039928 High voltage loadbreak switch safety indicator |
| 02/21/2007 | EP1273022B1 Low-voltage circuit breaker comprising a data memory |
| 02/21/2007 | CN2872579Y Fixed-sealed indoor high-voltage permanent-magnet phase-controlled vacuum circuit breaker synchronouslly |
| 02/21/2007 | CN2872578Y Special switch-in unit of permanent-magnet for railway |
| 02/21/2007 | CN2872577Y AC vacuum high-voltage contactor |
| 02/21/2007 | CN2872576Y Vacuum circuit breaker of permanent-magnet mechanism in railway |
| 02/21/2007 | CN2872575Y Bypass loading switch |
| 02/21/2007 | CN2872574Y Two-purpose torch spring operating mechanism of indoor and outdoor isolated loading switch |
| 02/21/2007 | CN1918683A Vacuum interrupter chamber with shielding |
| 02/21/2007 | CN1918682A Electro-magnetic force driving actuator and circuit breaker using the same |
| 02/21/2007 | CN1917116A Servo control device and method for position of moving contact in high voltage breaker |
| 02/21/2007 | CN1917109A Method for turning on/off capacitive current of lightning arrester connected in parallel between AC filter and breaker |
| 02/21/2007 | CN1301523C Series outdoor vacuum circuit breaker |
| 02/21/2007 | CN1301522C Drive rod for switch |
| 02/15/2007 | WO2007016882A1 Holding apparatus with field control properties |
| 02/15/2007 | WO2007016881A1 Switch pole with supporting frame having latching means |
| 02/15/2007 | WO2007016797A1 Self-blast circuit breaker with control body |
| 02/15/2007 | DE102004060274B4 Verfahren zur Herstellung eines Schalters für die Mittel- und Hochspannungstechnik, sowie ein Schalter selbst Method for manufacturing a switch for medium and high voltage engineering, as well as a switch itself |
| 02/14/2007 | CN2870134Y Intelligent phase-selection indoor high-pressure vacuum circuit breaker |
| 02/14/2007 | CN2870133Y Outside high-pressure permanent magnetic vacuum load switch |
| 02/14/2007 | CN2870132Y Direct-coupling driven isolation switch operation mechanism |
| 02/14/2007 | CN1914704A Medium voltage switchgear assembly |
| 02/14/2007 | CN1914703A Switching device |
| 02/14/2007 | CN1913070A Vacuum circuit breaker of sealed type outdoor high-tension phase control synchronous permanent magnetic mechanism |
| 02/14/2007 | CN1300816C Preparing method of high voltage vacuum arc-extinguishing room contact material |
| 02/13/2007 | US7176771 Circuit breaker filter assembly |
| 02/08/2007 | WO2007014865A1 Electrical switchgear |
| 02/08/2007 | US20070030616 Electronic trip device provided with a power supply circuit comprising voltage raising means and circuit breaker comprising one such trip device |
| 02/08/2007 | DE19743468B4 Strombegrenzendes Kontaktsystem mit selektiver Wirkung Current-limiting contact system with selective action |
| 02/07/2007 | EP1750343A1 Electronic trip device with a power supply circuit comprising voltage step-up means, and circuit breaker comprising such device |
| 02/07/2007 | EP1290707B1 Vacuum switch tubes |
| 02/07/2007 | CN2867576Y Permanent magnet breaker |
| 02/07/2007 | CN2867562Y Electric power locomotive combined switch device |
| 02/07/2007 | CN2867561Y Mine flame-proof vacuum feed switch |
| 02/07/2007 | CN2867560Y High-voltage breaker operating mechanism |
| 02/07/2007 | CN1910718A Switching device |
| 02/07/2007 | CN1910714A Control for electric power interrupting device |
| 02/07/2007 | CN1909314A Electronic trip device with a power supply circuit means, and circuit breaker comprising such device |
| 02/07/2007 | CN1299309C Vacuum switch apparatus |
| 02/07/2007 | CN1299014C Hydraulic operator |
| 02/06/2007 | US7173208 Vacuum interrupter |
| 02/06/2007 | CA2193271C Predictive control circuit and method for circuit interrupter |
| 02/01/2007 | US20070022837 Deflection lever |
| 01/31/2007 | EP1748455A1 Electrical switchgear |
| 01/31/2007 | EP1747568A1 Direct current power supply and distribution installation for ships |
| 01/31/2007 | CN2865109Y Intelligent powerless compensating outfit for column high-voltage line |