Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › 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)
11/2005
11/16/2005CN1698150A High-voltage loadbreak switch with enhanced arc suppression
11/16/2005CN1697107A Controllable discharge switch of high-energy impulse in three electrodes under vacuum environment
11/16/2005CN1227689C Method for opening the contact gap of a vacuum interrupter
11/16/2005CN1227688C Vacuum circuit breaker
11/16/2005CN1227687C Switch position indication device and stopper for power switch equipment
11/16/2005CN1227683C Method and apparatus for controlling electric switching device
11/15/2005US6965089 Axial magnetic field vacuum fault interrupter
11/10/2005WO2005106911A1 Method and device for interrupting a fault current occurring in an a/c system
11/10/2005WO2005106910A1 Electrical medium- or high-voltage cutoff device
11/10/2005US20050247677 Control device for actuating at least two items of switchgear in co-ordinated manner, one of which items performs interruption in a vacuum
11/10/2005US20050247676 Circuit breaker
11/09/2005EP1593138A1 Electric contact arrangement
11/09/2005EP1485930B8 Getter device for vacuum circuit breaker
11/09/2005CN1226761C Shutter operating device
11/03/2005US20050241928 Internally switched electric power interrupter
11/02/2005EP1590821A2 High voltage operating rod sensor and method of making the same
11/02/2005CN1691445A Gas-insulated switchgear device
11/01/2005CA2196916C Operating mechanism of a circuit breaker with a locking system disengageable on a short circuit
10/2005
10/27/2005WO2005101438A2 Electric device with compressed insulating gas comprising a composite insulator provided with a window for observation of the contacts
10/27/2005US20050236371 Gas-insulated switchgear device
10/27/2005US20050236370 Arc contact element for electrical apparatus production method thereof, corresponding contact assembly and electrical apparatus
10/26/2005EP1589625A1 Gas-insulated switchgear device
10/26/2005CN2736910Y Reinforcing bar for contact supporting device in vacuum arc extinguish chamber
10/26/2005CN2736909Y High-voltage vacuum circuit breaker employing silicone oil as insulating medium
10/26/2005CN1688007A Double turn type longitudinal magnetic field contact for vacuum arc extinguishing chamber
10/25/2005CA2242096C An outdoor high-voltage power circuit breaker
10/20/2005US20050230138 Switch container for hermetically encapsulating switch members and method for producing the same
10/19/2005EP1587120A1 Switch container for hermetically encapsulating switch members and method for producing the same
10/19/2005CN2735613Y Handheld high-voltage gas generating current conducting switch
10/19/2005CN1684214A High voltage vacuum arc-extinguishing room contact material and its preparing method
10/19/2005CN1683286A Switch container for hermetically encapsulating switch members and method for producing the same
10/13/2005US20050224465 Arc-resistant switchgear enclosure
10/13/2005US20050224464 Getter device for vacuum circuit breaker
10/13/2005US20050223551 Method for manufacturing a high-efficiency thermal conductive base board
10/13/2005DE10345183B4 Vorrichtung zum Erfassen von Kontaktabbrand in Schaltgeräten An apparatus for detecting contact erosion in the switching devices
10/13/2005DE102004013922A1 Arc extinguishing sheet metal member for switching equipment, especially contactor, insertable in longitudinal direction of its expansion into holder of groove of arc extinguishing device, with sheet metal member bent over its expansion
10/12/2005EP1585157A1 Polyphase switch
10/12/2005EP1516346B1 Screening electrode
10/12/2005CN2733567Y Bounce-proof longitudinal magnetic contact for vacuum arc extinguish chamber
10/12/2005CN2733566Y Arc uniformly distributed electrode of vacuum arc extinguish chamber
10/12/2005CN1682330A Spring operator for switch
10/12/2005CN1682328A Arc contact element for electrical apparatus, production method thereof, corresponding contact assembly and electrical apparatus
10/12/2005CN1681063A Method of disposable sealed silicon rubber insulating layer of vacuum arc chutes
10/12/2005CN1681062A Longitudinal of vacuum circuit breaker transmission
10/12/2005CN1681057A Switchgear and receiving transformation apparatus using the same
10/12/2005CN1222964C Flexible shunt for electric power switch
10/06/2005US20050219804 Gas-insulated switchgear
10/06/2005US20050219021 Efficient venting means for a circuit breaker
10/05/2005EP1583124A1 Hybrid high voltage circuit breaker
10/05/2005CN1677786A High voltage apparatus with particle trap
10/05/2005CN1222093C Three-position electrical switch with axial mobile switching element
10/04/2005US6952332 Vacuum arc eliminator having a bullet assembly actuated by a gas generating device
10/04/2005US6952102 Method and apparatus for monitoring vacuum degree of vacuum in vacuum interrupter
10/04/2005US6951993 Vacuum switch
09/2005
09/29/2005WO2005089069A2 A circuit breaker for using as overload cut out in oil filled transformers
09/29/2005WO2005074074A3 Compressed gas insulated separating switch component and leadthrough arrangement
09/29/2005US20050211675 High-voltage hybrid circuit- breaker
09/29/2005DE10361398B3 Anordnung zur Strombegrenzung Arrangement for current limiting
09/28/2005EP1580783A1 Control device for the coordinated actuation of at least two switching devices, of which one is a vacuum switch
09/28/2005EP0883887B1 Zero current circuit interruption
09/28/2005CN2729888Y Hydraulic operation mechanism of circuit breaker
09/28/2005CN1674392A Overvoltage protecting device based on hollow electrode
09/28/2005CN1674186A Method for limiting internal fast transient overvoltage of gas insulating switch
09/28/2005CN1674181A Electric operating mechanism
09/28/2005CN1220987C Flexible conductor
09/28/2005CN1220865C Internal fault indicator for power electrical devices
09/22/2005WO2005088663A1 Electric connection device
09/22/2005DE102005008098A1 Druckgasleistungsschalter Pressure gas circuit breaker
09/21/2005EP1576631A1 Method and device for determining the remaining service life of a switchgear
09/21/2005CN2728057Y Load switch of gas filled type ring net switching device
09/21/2005CN2727940Y Outdoor vacuum circuit breaker with permanent magnet mechanism
09/21/2005CN2727939Y Silicon rubber sealed pole vacuum circuit breaker with spring mechanism
09/21/2005CN2727929Y Spring operating mechanism
09/21/2005CN2727928Y Gear with improved structure for electric operating mechanism of circuit breaker
09/21/2005CN1672228A Shorting switch and system to eliminate arcing faults in power distribution equipment
09/20/2005US6946614 Circuit breakers
09/15/2005US20050201028 Switchgear and receiving transformation apparatus using the same
09/15/2005US20050199590 Ceramic tube for vacuum circuit breaker
09/15/2005DE102004006609A1 Vakuumschalter mit Schirmung Vacuum switch with shielding
09/14/2005EP1573767A1 Insulating material piece for an electrical high voltage device and method for production thereof
09/14/2005EP1573766A1 Electromagnetic actuator
09/14/2005CN2726098Y Permanent magnetic pulse electric operating mechanism with emergent switching-off device
09/14/2005CN1667895A Gas insulation switch device
09/14/2005CN1667776A Vacuum switchgear
09/14/2005CN1667775A Volume-regulating type arc-extinction device
09/14/2005CN1219307C Integrative full-insulation pole vacuum automatic load switch
09/14/2005CN1219306C Cable lead electric porcelain sleeve for high voltage switch
09/13/2005US6943313 Rotating arc fault-current interrupter
09/13/2005US6943307 Switching device
09/13/2005CA2199350C A power circuit breaker with a high-speed bridging contact
09/08/2005US20050194359 Device for fixing a shield in an electric switch, in particular a vacuum switch
09/08/2005DE102004007912A1 Durchführung mit Leistungshalbleiterbauelement Implementation with power semiconductor component
09/08/2005DE10160331B4 Kontakt oder Elektrodenanordnung Contact or electrode assembly
09/07/2005EP1571685A1 Mounting device for a shield in an electrical interrupter, preferably in a vacuum interrupter
09/07/2005EP1571684A1 Solid-state insulated switchgear, resin molding and method of manufacturing the resin molding thereof
09/07/2005EP1485930B1 Getter device for vacuum circuit breaker
09/07/2005EP0830699B2 Control method and device for a switchgear actuator
09/07/2005CN2724187Y Vacuum contactor of permanent magnetic mechanism
09/07/2005CN2724186Y Modular type high voltage vacuum switch
09/07/2005CN2724185Y Double isolated switch electric control device
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