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)
10/2003
10/01/2003CN1123026C Protective shield for vacuum switch electron valve and method for fixing degasser on same
09/2003
09/30/2003US6628494 Protective device and system
09/30/2003US6627831 Insulating component for high-voltage installations and a method for the production thereof
09/25/2003WO2003079386A1 Short-circuiting device for electrolysis cells
09/25/2003US20030178392 Switching mechanism of circuit breaker for gas insulted switchgear
09/24/2003EP1347484A1 High voltage circuit breaker with a decompression valve for a thermal arcing chambre
09/24/2003EP1347483A2 Electrical switching device with a rod attached contact piece
09/24/2003EP1347482A1 Distribution network
09/24/2003CN2575835Y Lampwick integrated forming machine
09/24/2003CN2575834Y Mini bulb
09/24/2003CN2575833Y Straight-tube fluorescent light tube
09/24/2003CN1122292C Electric current switching apparatus with unitied removable contacts
09/24/2003CN1122290C Vacuum circuit breaker with electric arc diffusion contact
09/23/2003US6624374 Switching apparatus
09/23/2003US6624371 Circuit-breaker including a channel for emptying the piston-driven compression chamber
09/23/2003US6624370 Gas circuit breaker
09/23/2003US6624360 Outdoor high-voltage bushing, and a high voltage switching device having such a bushing
09/18/2003US20030173969 Method and device for monitoring vacuum degree in vacuum circuit breaker
09/18/2003US20030173831 Power distribution network
09/18/2003US20030173336 Circuit breaker
09/18/2003US20030173335 High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber
09/18/2003US20030173334 Current collector and gas circuit breaker
09/18/2003US20030172631 Filter bag
09/17/2003EP1344237A1 Contact arrangement for a vacuum switch tube
09/17/2003EP1092227B1 Motor operator for overhead air break electrical power distribut ion switches
09/17/2003CN2574207Y Outdoor combined load isolation switch
09/17/2003CN2574202Y Output toggle arm for manipulating mechanism of circuit breaker
09/17/2003CN1443360A Method and device for monitoring vacuum degree in vacuum circuit breaker
09/17/2003CN1443358A Arc extinguisher with attachment for low voltage switchgear
09/17/2003CN1442939A 开关装置 Switching device
09/16/2003US6621389 Electrical switchgear unit equipped with a motorized control and process for operating such a switchgear unit
09/16/2003US6621030 Gas-insulated switchgear
09/10/2003EP1343233A2 Switchgear
09/10/2003EP1343185A1 Method and device for monitoring vacuum degree in vacuum circuit breaker
09/10/2003EP1218904B1 Drive for the pole module of a circuit breaker
09/10/2003EP1185996B1 High-voltage circuit breaker with a discharge channel
09/04/2003WO2003073456A1 Magnetic actuator for a circuit breaker
09/03/2003CN2570965Y Low-voltage vacuum quenching chamber
09/03/2003CN2570962Y AC high-voltage vacuum load isolating switch for outdoor use
09/03/2003CN2570961Y Electromagnetically actuated permanent-magnet retainer
09/03/2003CN2570943Y Breaker splitting lock cushioning operating device
09/03/2003CN1120511C Blow-out coil for gas-insulated load-break switches
08/2003
08/28/2003WO2003071567A1 Vacuum interrupter with a switch contact piece
08/28/2003WO2003071566A1 Air circuit breaker
08/27/2003EP1339081A1 Leadthrough for a conductor through a housing wall
08/27/2003CN2569325Y Full insulation three work station high voltage isolation switch
08/27/2003CN1439165A Combination of a vacuum interruption device and oil-filled transformer
08/27/2003CN1438665A Air-blowing type gas breaker
08/26/2003US6611413 Switching apparatus
08/26/2003US6610949 Switchgear operating apparatuses
08/21/2003WO2003069647A1 Transmission system for tripping a fuse holder
08/21/2003US20030156373 Low-voltage circuit breaker comprising a data memory
08/20/2003EP1336231A1 Device for earthing a switching device arranged in a module frame in a displaceable manner
08/20/2003EP1090404B1 Multi-pole low voltage circuit breaker with high electrodynamic strength, whereby the shaft of the poles is arranged within the pole container compartment
08/20/2003CN2567757Y Permanent mechanism vacuum circuit breaker
08/20/2003CN1437757A Method for opening the contact gap of a vacuum interrupter
08/19/2003US6608481 Pole of a circuit breaker with an integrated optical current sensor
08/14/2003US20030150841 Electric circuit breaker, as well as plant, use and method where such is used
08/13/2003EP1334500A1 Switching device
08/13/2003CN2566440Y 真空负荷开关 Vacuum load switch
08/13/2003CN1436298A Internal fault indicator for power electrical devices
08/13/2003CN1118078C Clad end seal for vacuum circuit breaker
08/07/2003WO2003065396A1 Air circuit breaker
08/07/2003US20030148138 First step of preparing a lower layer paste with the use of a first mixture comprising nickel, tungsten and molybdenum, applying the lower layer paste to a surface of a ceramic base which is a sintered ceramic, and drying the resultant coating
08/06/2003EP1332537A1 Device for receiving interrupters of circuit breaker systems
08/06/2003CN1434471A Electric switch unit with mechanical driving controller and operation method thereof
08/05/2003US6603088 Pressurized gas circuit-breaker pole that can be assembled and disassembled without significant loss of gas
07/2003
07/31/2003US20030141282 Vacuum switch tubes
07/30/2003EP1331658A1 Electrical switch apparatus with a motorised control and controlprocess of such an apparatus
07/30/2003EP1331655A2 Adjustable contact for vacuum circuit breaker
07/30/2003EP1330831A1 Isolating nozzle for arc blow circuit breaker
07/30/2003CN2563813Y Temperature and voltage monitor for high voltage switch box
07/30/2003CN2563741Y Holder for small vacuum braker operation mechanism
07/30/2003CN1433037A Packaging process of hollow arc-extinguishing chamber in APG sealed insulator
07/30/2003CN1433036A Switching vacuum tube
07/29/2003US6600124 Safety interlock between a vacuum interrupter and a disconnect switch
07/29/2003US6600119 Position indicating devices and position locking devices for power circuit breaker systems
07/24/2003WO2003028055B1 Terminal pad for an insulator assembly
07/24/2003US20030137373 Electrical switchgear unit equipped with a motorized control and process for operating such a switchgear unit
07/23/2003EP1328953A1 Switching device system, components therefore and methods relating thereto
07/23/2003EP1245066B1 Modular, miniaturized switchgear
07/23/2003CN2562339Y Vacuum permannet magnet outdoor A.C. high voltage circuit breaker
07/23/2003CN1432183A Vacuum switch tubes
07/23/2003CN1431673A Gas breaker
07/23/2003CN1115702C Vacuum box
07/22/2003US6597999 Method and system for real-time prediction of zero crossings of fault currents
07/22/2003US6597549 Capacitor switch with external resistor and insertion whip
07/17/2003WO2003058663A1 Control system for electrical switchgear
07/17/2003WO2003058662A1 Non-linear magnetic field distribution in vacuum interrupter contacts
07/17/2003WO2003058661A1 High-voltage circuit breaker
07/17/2003CA2472274A1 Control system for electrical switchgear
07/16/2003EP1327998A2 Overhead high-voltage circuitbreaker
07/16/2003CN2561079Y Anti-misconnection mechanical lock for outdoor high-voltage switch apparatus
07/15/2003US6593538 High-voltage interrupter device having combined vacuum and gas interruption
07/10/2003WO2003056594A1 Circuit breakers with integrated current and/or voltage sensors
07/10/2003WO2003056592A1 Solder ring for production of vacuum tube and method for the production of such a solder ring and of a vacuum tube
07/10/2003WO2003056591A1 Vacuum circuit breaker with coaxial coil for generating an axial magnetic field in the vicinity of the contact members of the circuit breaker
07/10/2003US20030127430 Gas-blast circuit-breaker
07/10/2003CA2445954A1 Vacuum circuit breaker with coaxial coil for generating an axial magnetic field in the vicinity of the contact members of the circuit breaker
07/09/2003EP1326262A1 Pole armature
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