| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 07/25/2001 | EP1119009A1 Vacuum switch and vacuum switch gear |
| 07/25/2001 | EP1118852A1 Method and device for monitoring the density of gas inside a sealed enclosure |
| 07/25/2001 | CN1305209A Vacuum exhaust element of vacuum insulating switch device |
| 07/25/2001 | CN1305208A Switch mechanism and its manufacturing method |
| 07/25/2001 | CN1305097A In-line detection method for vacuum level of discharge-type vacuum arc-quenching chamber |
| 07/25/2001 | CN1068966C Insulating component for high-voltage equipment |
| 07/25/2001 | CN1068965C Compressed-gas circuit breaker with nozzle made of insulating material |
| 07/25/2001 | CN1068964C Vacuum switching tube |
| 07/25/2001 | CN1068963C Medium voltage gas isolation circuit breaker |
| 07/25/2001 | CN1068962C Gas circuit breaker equipped with self-expansion and rotating arc chamber |
| 07/24/2001 | US6265957 Electromagnetic actuator equipped with two return springs |
| 07/24/2001 | US6265685 Switchgear apparatus contact assembly including slot and ferromagnetic insert for enhancing arc extinguishing characteristics |
| 07/24/2001 | US6263914 Gas density monitor assembly |
| 07/19/2001 | WO2001052293A1 Circuit breaker with particle trap |
| 07/19/2001 | DE10003359C1 High voltage power switch with driven light arc contact pieces, hot chamber ensures improved quenching of switch-off light arc at high contact separation speeds - has auxiliary drive that reverses direction of motion of second light arc contact piece at least once, esp. twice, during switch-off process |
| 07/18/2001 | EP1117114A2 Power circuit breaker using SF6 switch in parallel with vacuum switch resistor combination |
| 07/18/2001 | EP1117113A2 Vacuum interrupter |
| 07/18/2001 | CN1304148A Locking device of rotating contact assembly of circuit breaker |
| 07/18/2001 | CN1068697C Energy storage device of circuit breaker |
| 07/17/2001 | US6262648 Electromagnetic actuator |
| 07/12/2001 | WO2001050563A1 Integral load connector module |
| 07/12/2001 | WO2001050562A1 Isolator switch |
| 07/12/2001 | WO2001050561A1 Modular, miniaturized switchgear |
| 07/12/2001 | CA2395667A1 Integral load connector module |
| 07/12/2001 | CA2395665A1 Isolator switch |
| 07/12/2001 | CA2395661A1 Modular, miniaturized switchgear |
| 07/11/2001 | CN2439099Y Insulation burrel |
| 07/10/2001 | US6259051 Vacuum switch and a vacuum switchgear using the same |
| 07/10/2001 | US6259050 Burn-off contact arrangement |
| 07/10/2001 | CA2041338C Stored-spring-energy actuator mechanism for a high-voltage circuit breaker |
| 07/05/2001 | WO2001048775A1 Device for controlling an electric switchgear and related method |
| 07/05/2001 | US20010006144 Actuation and control device for high-and medium-voltage circuit breakers |
| 07/05/2001 | DE19958646A1 Hybridleistungsschalter Hybrid circuit breaker |
| 07/05/2001 | DE19947836C1 Vakuumschütz Vacuum contactor |
| 07/05/2001 | DE10003357C1 High voltage power switch with more precise movement processes and hence improved switching function |
| 07/05/2001 | CA2395508A1 Device for controlling an electric switchgear and related method |
| 07/04/2001 | EP1113475A1 Arcing contact assembly for medium and/or high voltage circuit breakers |
| 07/04/2001 | EP1113474A1 Arc chamber for medium and/or high voltage circuit breakers |
| 07/04/2001 | CN2438217Y Outdoor resin type outdoor dry high voltage vacuum circuit breaker |
| 07/04/2001 | CN1068136C 断路器 Breaker |
| 07/04/2001 | CN1068135C Arc distinction circuit for breaking dc circuit |
| 07/03/2001 | US6255615 Multiple contact switch |
| 07/03/2001 | CA2054058C Vacuum circuit interrupter contacts and shields |
| 06/28/2001 | DE19963024A1 Optical stray arc light sensor for avoiding damage in low-, medium- and high-voltage switchboard plants has light waveguides, a punctiform detection area and a translucent bowl-like element being lapped repeatedly |
| 06/28/2001 | DE19962288A1 Kontaktanordnung für eine Vakuumkammer Contact arrangement for a vacuum chamber |
| 06/28/2001 | DE19959207A1 Vakuumschütz mit verschiebbarem Führungselement Vacuum contactor with sliding guide element |
| 06/27/2001 | EP1111639A1 Device for controlling the opening/closing operation of an electric switchgear and method related |
| 06/27/2001 | EP1111638A2 Contact arrangement for vacuum switch |
| 06/27/2001 | EP1111631A2 Method for producing a contact element blank and a contact element as well as contact element blank, contact element and contact element arrangement for applications in an axial magnetic field of a vacuum chamber |
| 06/27/2001 | CN2437037Y Operation mechanism for high isolation switch |
| 06/27/2001 | CN1301394A Actuation and control device for electric switchgear |
| 06/26/2001 | USRE37244 Insulated type switching device |
| 06/26/2001 | US6252763 Gas-insulated electrical apparatus |
| 06/26/2001 | US6252190 Electrical high speed circuit breaker with explosive charges including ablative arc extinguishing material |
| 06/21/2001 | US20010004067 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 06/21/2001 | DE19960876A1 Verfahren zur Herstellung eines Kontaktstückrohlings und eines Kontaktstückes sowie ein Kontaktstückrohling, ein Kontaktstück und eine Kontaktstückanordnung für Axialmagnetfeldanwendungen in einer Vakuumkammer Method for manufacturing a contact piece blank and a contact piece and a contact piece blank, a contact piece and a contact piece arrangement for Axialmagnetfeldanwendungen in a vacuum chamber |
| 06/21/2001 | DE19958645A1 Hybridleistungsschalter Hybrid circuit breaker |
| 06/21/2001 | DE10052412A1 Vacuum load switch has respective sprngs used for providing operating force for movement of movable switch contact piece in closing an opening directions |
| 06/20/2001 | EP1109187A1 Hybrid circuit breaker |
| 06/20/2001 | EP1109186A2 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 06/20/2001 | EP1109185A2 High voltage circuit breaker |
| 06/20/2001 | EP1108261A1 Actuation and control device for high- and medium-voltage circuit breakers |
| 06/20/2001 | CN2435831Y Indood vacuum combined switch |
| 06/20/2001 | CN1300441A Drive devices for interrupter units in power supply switching devices |
| 06/20/2001 | CN1300092A Vacuum switch containing vacuum measuring device, switch device and operation method |
| 06/20/2001 | CN1300091A High-speed current-limiting switch |
| 06/19/2001 | US6248969 Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor |
| 06/14/2001 | WO2001043152A1 Vacuum contactor with movable guide element |
| 06/13/2001 | EP1107409A1 Switchgear and method of manufacturing thereof |
| 06/13/2001 | EP1107274A1 Circuit breaker with live-state information measuring instrument |
| 06/13/2001 | EP1107272A2 Hybrid circuit breaker |
| 06/13/2001 | EP1107271A1 Pole of a cicuit breaker with unipolar driving |
| 06/13/2001 | EP1107270A2 Switching assembly |
| 06/13/2001 | EP1107269A1 Three-phase circuit breaker for high current with twin poles per phase, provided with compensation magnetic circuit |
| 06/13/2001 | EP1105898A1 High-voltage circuit breaker with interrupter unit |
| 06/13/2001 | DE19959794A1 Contact drive for vacuum switch esp. circuit breaker |
| 06/13/2001 | DE19937074C1 Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung und Verfahren zum Bewegen eines ersten Kontaktstückes Drive arrangement for a switch of medium or high voltage and method for moving a first contact piece |
| 06/13/2001 | DE19934909C1 Kontaktanordnung für eine Vakuumschaltröhre Contact arrangement for a vacuum interrupter |
| 06/13/2001 | CN1299144A Mixed circuit switch |
| 06/13/2001 | CN1299143A Three phase high current switch apparatus having doubel pole on each phase and equiped compensation magnetic pass |
| 06/13/2001 | CN1299142A Switch device |
| 06/12/2001 | US6246928 Electrical interruption device comprising a communication module |
| 06/07/2001 | WO2001041173A1 Contact arrangement for a vacuum interrupter chamber |
| 06/07/2001 | WO2001041172A1 Actuator of power load-break switch |
| 06/07/2001 | WO2001009912A3 Circuit breaker |
| 06/07/2001 | US20010002666 Switch gear and method of manufacturing thereof |
| 06/07/2001 | US20010002665 Hybrid circuit breaker |
| 06/07/2001 | US20010002664 Hybrid circuit breaker |
| 06/07/2001 | DE19955216A1 Vacuum switch chamber for short-circuit switching of large currents, includes ceramic insulating body vacuum-sealed tight at both ends with first and second covers |
| 06/07/2001 | DE19953560C1 Druckgas-Leistungsschalter Pressure gas circuit breakers |
| 06/06/2001 | CN2433726Y High-tension switch |
| 06/06/2001 | CN2433717Y Automatic charged oil supply machine |
| 06/06/2001 | CN1298548A Current limiter and circuit breaker with current-limiting function |
| 06/06/2001 | CN1298547A Low voltage multipole circuit breaker with high electrodynamic resistance, whereof the pole shaft is arranged in the compartment housing the poles |
| 06/06/2001 | CN1298191A Synchronous open-circuit method for breaker of power generator and its control equipment |
| 06/05/2001 | US6242708 Isolator switch |
| 06/05/2001 | CA2202294C Linear spring control for high-voltage circuit breaker |
| 05/31/2001 | WO2001039223A1 Device for controlling the closing of a power circuit breaker |
| 05/31/2001 | DE19957228A1 Vacuum switching chamber contact arrangement has concentric arrangement of curved winding with connecting bridges and protruding parts connecting winding parts to contact plate |
| 05/30/2001 | EP1103059A1 Pole of a circuit breaker with an integrated optical current sensor |