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)
12/2010
12/21/2010US7854058 Method of making high voltage operating rod sensor
12/16/2010WO2010142515A1 Drive mechanism for electric switching devices having three separate positions
12/16/2010US20100314358 Surge Arrester Having Thermal Overload Protection
12/16/2010US20100314357 Resin-molded vacuum valve
12/16/2010US20100314226 Dual load control device
12/16/2010DE102009024938A1 Schaltgeräteanordnung Switchgear arrangement
12/15/2010EP2261942A2 Short circuit switch with improved security
12/15/2010EP2261941A1 Vacuum breaker and gas insulated switchgear using the same
12/15/2010EP2261940A1 Coil for a contact of a vacuum switch having an increased mechanical endurance, and related vacuum switch and switchgear, in particular alternator load-break switch
12/15/2010CN201673857U Arc extinguisher of line breaker
12/15/2010CN201673856U Airflow control device of breaker
12/15/2010CN201673855U Breaker gas stream guide device
12/15/2010CN201673854U Embedded-pole vacuum circuit breaker operation mechanism
12/15/2010CN201673853U 2500A fixing-sealing terminal post
12/15/2010CN201673852U Outdoor high-voltage solidified vacuum circuit breaker with permanent magnet mechanism
12/15/2010CN201673851U Circuit breaker
12/15/2010CN201673850U Load switch main-loop movable, static contact device
12/15/2010CN201673849U Sulfur hexafluoride ultra-high voltage resistive small-current on-off switch
12/15/2010CN201673848U Auxiliary arc control device for SF6 gas load switch
12/15/2010CN201673847U Fixed contact for inflatable cabinet load switch
12/15/2010CN201673823U Piston rod guide transmission device of a high-pressure circuit breaker hydraulic operation mechanism
12/15/2010CN201673822U Energy accumulator for hydraulic spring operating mechanism of high-voltage circuit breaker
12/15/2010CN101919017A Direct current switch
12/15/2010CN101916688A Totally shielded touchable vacuum circuit breaker used on outdoor column
12/15/2010CN101916687A Driving mode control-based single-phase vacuum circuit breaker of double arc-extinguishing chamber
12/15/2010CN101916686A Magnetic quenching-based SF6 load switch and installation method
12/15/2010CN101916685A 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus
12/15/2010CN101409174B Isolation interlocking apparatus for complete equipment of 40.5kV vacuum composite apparatus
12/15/2010CN101164131B Load disconnecting switch and switchgear with a load disconnecting switch
12/15/2010CN101154530B Contact terminal device for restraining transient state overvoltage of high-voltage isolating switch
12/14/2010US7852180 Method for producing breaker pole parts for low-voltage, medium-voltage and high-voltage switchgear assemblies, and breaker pole part itself
12/14/2010US7851949 DC converter
12/09/2010DE102009023556A1 Elektrisches Schaltgerät mit einem thermischen Auslöser Electrical switching device having a thermal release
12/08/2010EP2257959A1 Insulator integrated power supply
12/08/2010CN201667316U Vacuum draw bar for vacuum load switch
12/08/2010CN201667315U Fixing structure for ceramic housing and shielding cylinder of vacuum arc extinguishing chamber
12/08/2010CN201667314U Vacuum load switch
12/08/2010CN201667313U Integrated insulating seat of isolation knife switch and vacuum tube
12/08/2010CN201667312U Solid-sealed pole structure of high-voltage vacuum circuit breaker
12/08/2010CN1965456B Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line
12/08/2010CN1849684B A rotating electric motor for operating an electric component
12/08/2010CN101911412A Three-positions disconnector for medium voltage panels
12/08/2010CN101911236A Electrode contact member of vacuum circuit breaker and process for production of the same
12/08/2010CN101908436A Arc extinguish chamber structure for lifting arc voltage
12/08/2010CN101908435A Permanent magnet-operated long-life vacuum circuit breaker
12/08/2010CN101908434A Method for regulating overtravel
12/08/2010CN101908433A Fuse attachment structure for vacuum switch
12/08/2010CN101436488B On-off large parameter induction current outdoor high-voltage AC grounding switch
12/08/2010CN101419873B Manufacturing process for solid sealed pole of vacuum circuit breaker
12/08/2010CN101395684B Insulating switching rod with a contact pressure arrangement comprising a plurality of helical compression springs wound in opposite senses
12/08/2010CN101282026B Apparatus for fast switching contacts of duplicate supply control cabinet
12/07/2010US7847440 Load control device for use with lighting circuits having three-way switches
12/02/2010WO2010136424A1 Catching and locking device inside a switch or circuit breaker
12/02/2010DE102009010899B4 Haltering für eine Vakuumschaltröhre und Vkuumschaltröhre Retaining ring for a vacuum interrupter and Vkuumschaltröhre
12/01/2010EP2256776A1 Improved high-voltage circuit breaker with gas release
12/01/2010EP2256775A2 Electrical circuit interrupting device
12/01/2010EP2256774A2 Electrical circuit interrupting device
12/01/2010EP2256773A1 Switch device and operating mechanism for switch device
12/01/2010EP2256765A2 A switch using a coil shaped contact shoe
12/01/2010EP2255371A1 Permanent magnet quenching device for load interrupters
12/01/2010CN201663096U Modularized vacuum circuit breaker opening spring driving structure
12/01/2010CN201663095U Vacuum circuit breaker for railway electrification
12/01/2010CN201663094U Vacuum circuit breaker
12/01/2010CN201663093U Modular vacuum breaker frame
12/01/2010CN201663092U Interphase connecting rods of self-energy high-voltage sulphur hexafluoride circuit breaker
12/01/2010CN101903965A Insulation of a current interrupter of the vacuum bulb type by overmoulding
12/01/2010CN101901722A Interrupting chamber, HVDC bypass interruptor and HVDC-conversion substation with such a chamber
12/01/2010CN101901721A Interruptor chamber, HVDC bypass interrupter and high voltage direct current converting plant comprising such chamber
12/01/2010CN101901720A Improved high-voltage circuit breaker with gas release
12/01/2010CN101901719A Puffer type gas circuit breaker
12/01/2010CN101901718A Direct-acting vacuum circuit breaker with bistable permanent magnet actuators
12/01/2010CN101901717A Vacuum overcurrent fuse protecting device for high-voltage power supply system and low-voltage power supply system
12/01/2010CN101901716A Switchgear
12/01/2010CN101901715A Circuit breaker
12/01/2010CN101901714A Device for limiting the excess pressure inside a compartment of an electrical device
12/01/2010CN101521405B Intelligent double-power supply switching device
12/01/2010CN101436485B Minitype high voltage rotary isolation switch
12/01/2010CN101425403B Pulse excitation circuit
12/01/2010CN101320653B Handcart type vacuum circuit breaker
12/01/2010CN101256907B Non-arc breaking circuit based on variable capacitance and method thereof
11/2010
11/30/2010US7843682 Blast venting for electrical device
11/30/2010US7843293 Bistable magnetic drive for a switch
11/30/2010CA2705897A1 Electrical switching device with a thermal release
11/30/2010CA2420872C Re-locatable partial discharge transducer head
11/25/2010WO2010134442A1 Gas-insulated vacuum breaker
11/25/2010WO2010133464A1 Electrical power switch and control panel comprising power switch
11/25/2010US20100298082 Electronically controlled locking differential having logic-control wire harness
11/25/2010US20100294630 Withdrawable device of vacuum circuit breaker
11/25/2010DE102009025204B3 Switching device e.g. medium-voltage switching device, for use as block switchgear, has contact pieces and connecting pieces enclosed in packaging filled with filling medium that contains compound from group of perfluorinated ketone
11/25/2010DE102006005232B4 Verfahren zur Steuerung einer Antiebsvorrichtung eines mehrphasigen Schaltgerätes und Vorrichtung zur Durchführung des Verfahrens Method for controlling a multi-phase switching device and Antiebsvorrichtung a device for carrying out the method
11/24/2010EP2254134A1 High voltage DC power distribution system comprising a hybrid contactor and controlling arc energy
11/24/2010CN201656255U High-pressure prepay measuring box
11/24/2010CN201655711U Permanent magnetic operating mechanism of breaker
11/24/2010CN201655695U High-voltage breaker
11/24/2010CN201655666U Load switch
11/24/2010CN201655665U High-voltage vacuum circuit breaker
11/24/2010CN201655664U Spring operating mechanism used for vacuum circuit breaker
11/24/2010CN201655663U Installation structure for tripping spring of vacuum contactor
11/24/2010CN201655662U 24-kV vacuum arc extinguish chamber
11/24/2010CN201655661U Vacuum arc extinguish chamber contact
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