Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means
Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099)
10/2012
10/10/2012CN101752139B Isolation switch and switch cabinet with same
10/03/2012EP2504849A1 Actuation control and control method, particularly for electrical disconnectors
10/03/2012CN202473724U Vertical opening isolating switch for use in open-type compound electric appliance
10/03/2012CN202473723U Isolating switch
10/03/2012CN202473722U Combined operating mechanism for ring main units
10/03/2012CN202473721U Mechanical lock of high-low voltage switch cabinet
10/03/2012CN202473720U Outdoor single-pole isolating switch
10/03/2012CN202473719U Isolating switch with deicing cross connection function
10/03/2012CN202473718U Limiter of disconnection switch position detector
10/03/2012CN202473717U Transmission gear of track traffic disconnecting switch
10/03/2012CN202473716U A pincer-shaped contact of a rail-transit-used disconnector
10/03/2012CN202473715U A rail-transit-used DC disconnector
10/03/2012CN202473714U Moving contact cutter mechanism of track traffic isolation switch
10/03/2012CN202473713U Closing state self-maintenance type isolating switch
10/03/2012CN202473712U Vertical connecting rod connecting sleeve for isolating switch
10/03/2012CN202473711U A contact seat of an isolation switch
10/03/2012CN202473710U A static contact terminal of an isolation switch
10/03/2012CN202473709U Movable contact of disconnecting switch
10/03/2012CN202473708U Watchband contact finger fixed structure
10/03/2012CN202473707U Isolation switch with ice-melting short circuit function
10/03/2012CN202473706U A disconnector body of rail transit
10/03/2012CN202473647U Manual switching-on-off device of operating mechanism
10/03/2012CN102714107A Metal-encapsulated, gas-insulated combined disconnecting and grounding switch
10/03/2012CN102714103A Remote drive for disconnector/isolator used in switchgear
10/03/2012CN102709103A Switch on-off spring operating mechanism of grounded switch and isolation switch
10/03/2012CN102709102A Locking control circuit used between motor power supply and control power supply of disconnecting link mechanism
10/03/2012CN102709101A Contact structure of isolating switch
10/03/2012CN102709100A Three-station isolating grounding switch
09/2012
09/27/2012DE102011078846B4 Doppel-Kontaktstückvorrichtung zur Stromunterbrechung sowie Trennschalter unter Verwendung der betreffenden Vorrichtung Double-contact piece device for power interruption and disconnecting switch using the concerned device
09/26/2012DE202012007768U1 selbstregulierender Reproduktionsstromleitungsnetztrenner self-regulating reproduction power line mains isolator
09/26/2012CN202454478U Three-position switch
09/26/2012CN202454477U 多功能负荷开关 Multifunction load switch
09/26/2012CN202454476U Contact seat shielding device
09/26/2012CN202454449U Electric grounding switch device
09/25/2012US8274180 Train configuration recognition system and train configuration recognition apparatus
09/20/2012WO2012123304A1 Switch disconnector arrangement
09/19/2012CN202443899U Interlocking device for operating mechanism of ground switch
09/19/2012CN202443898U Auxiliary switch of switch operating mechanism
09/19/2012CN102683091A 24KV inflatable cabinet load switch
09/19/2012CN102683090A Interlocking device for double-throw disconnecting switch
09/19/2012CN102683089A Interlock device of ground switch
09/19/2012CN102683088A Earthing switch
09/19/2012CN102683057A Three-station load switch operating mechanism
09/18/2012US8269376 Method and apparatus for switching on-off a group or all lights or appliances of premises
09/18/2012CA2607461C Hot-stick capable cutout cover
09/13/2012DE102011005427A1 Trennschalteranordnung Circuit breaker arrangement
09/12/2012CN202434405U Load-switch opening-closing and grounding interlocking device
09/12/2012CN202434404U Three-station disconnecting switch control system with standby protection
09/12/2012CN202434403U Closing and interlocking device for circuit breaker operating mechanism
09/12/2012CN202434402U Horizontal connecting sleeve for isolating switch
09/12/2012CN202434401U Isolating switch for gas insulated switchgear (GIS)
09/12/2012CN202434400U Isolating switch with earthing switch
09/12/2012CN202434399U Three-position switch for clean and dry air insulated metal-enclosed switchgear
09/12/2012CN102667999A A block of bushings of a three-phase rotary switch-disconnector
09/12/2012CN102667993A Shielded high- or medium-voltage electrical equipment having improved mounting and including rotation shaft and movable contact driven by said shaft, and use in three-phase stations
09/06/2012DE102009049342B4 Mittelspannungsschaltanlage mit Last- und Trennschaltern und die Trennposition enthaltenden Drei-Stellungs-Schaltern A medium voltage switchgear with load and containing circuit breakers and the disconnecting position three-position switches
09/05/2012CN202423098U Disconnector with horizontally rotatable single arm of driving shaft
09/05/2012CN202423097U Anti-explosion box locking device with isolating switch operation position on door required to be locked
09/05/2012CN202423096U 35kV isolating-switch operating mechanism
09/05/2012CN202423095U Connecting device for 10kV pole-mounted disconnector
09/05/2012CN101807485B Tipping gear used for flip horizontal type isolating switch
09/05/2012CN101728113B Isolating switch with multi-element contacts
09/05/2012CN101546669B Method and device for connecting drop switch leads of 10kv transformer
09/05/2012CN101375362B Contact system for a short-circuiting device in a medium-voltage or high-voltage switchboard plant
09/04/2012US8258796 System for testing electronic devices
08/2012
08/29/2012CN202405163U High-pressure disconnection switch
08/23/2012US20120215400 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities
08/22/2012EP2489054A1 Medium voltage switchgear having disconnecting switches and three-position switches
08/22/2012CN202394792U Arm-folding telescopic conducting rod for high-voltage AC isolation switch
08/22/2012CN202394791U High-voltage load switch
08/22/2012CN202394790U Rotary insulator
08/22/2012CN202394789U Intelligent high-voltage outdoor switch
08/22/2012CN202394788U High voltage isolator
08/22/2012CN202394787U +/- 800 kV DC valve hall grounding switch
08/22/2012CN202394786U 500 kV outdoor high-voltage DC grounding switch
08/22/2012CN202394736U Isolating switch operation mechanism
08/22/2012CN1926734B Compressed gas insulated separating switch component and leadthrough arrangement
08/22/2012CN102646543A Interlocking device used for high-voltage switch equipment
08/22/2012CN102646542A Single-insulation strut high-voltage isolation switch
08/22/2012CN102646541A Three-station electric spring operating mechanism
08/22/2012CN102646540A Isolating switch assembly
08/22/2012CN102646539A Bypass isolating switch for 1100-kV super-high-voltage serial compensation
08/22/2012CN101894700B Mechanical self-locking device for manual operating mechanism
08/22/2012CN101770890B Double-column vertical cut-off high voltage isolation switch
08/21/2012US8248080 Systems and methods for assessing standoff capabilities of in-service power line insulators
08/15/2012CN202384242U Three-position operation mechanism interlock device
08/15/2012CN202384241U Operation handle of grounding switch operation shaft of switch cabinet
08/15/2012CN202384191U Energy storage operating mechanism with double switch springs
08/09/2012WO2012104880A1 Actuation control and control method, particularly for electrical disconnectors
08/08/2012EP2255370B1 Mounting assembly
08/08/2012EP2018646B1 Switching device, in particular fused interrupters
08/08/2012CN202373509U Bipolar DC heavy-current isolator
08/08/2012CN202373508U Moving contact device for direct-acting three-station isolating switch
08/08/2012CN202373507U Isolating switch for excavation equipment
08/08/2012CN202373506U Structure of outdoor 10 kV isolating switch
08/08/2012CN102629529A Isolating switch
08/07/2012US8237450 Method of testing insulation property of wafer-level chip scale package and TEG pattern used in the method
08/07/2012CA2488759C Isolator/circuit-breaker device for electric substations
08/02/2012WO2012101758A1 Switch
08/01/2012CN202363742U 旋转密封装置 Rotary seals
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 51