| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 09/21/2011 | CN201985014U 气动隔离开关 Pneumatic isolation switch |
| 09/21/2011 | CN201985013U 户外隔离开关 Outdoor isolation switch |
| 09/21/2011 | CN201985012U 交流高压隔离刀闸的刀口结构 AC high voltage isolation knife blade structure of |
| 09/21/2011 | CN201985011U 一种柱上智能分界开关 One kind of intelligent demarcation column switch |
| 09/21/2011 | CN201985010U 用于矿用电器的接地装置 For mine electrical grounding device |
| 09/21/2011 | CN1914704B Medium voltage switchgear assembly |
| 09/21/2011 | CN102074404B High-reliability outdoor high-voltage isolation switch |
| 09/20/2011 | US8022577 Three-way and four-way switching circuit |
| 09/15/2011 | WO2011110561A1 Hybrid circuit breaker using a switch having return upon closure |
| 09/14/2011 | EP2365506A1 Fuse rail and assembly with same |
| 09/14/2011 | EP2364501A1 Disconnecting element and electric disconnector comprising said disconnecting element |
| 09/14/2011 | CN201975714U 新型固体绝缘开关 New Solid Insulated Switchgear |
| 09/14/2011 | CN201975317U 一种中压隔离开关载流导体用铜铝复合排 A medium-voltage isolation switch with a current-carrying conductor row TLF |
| 09/14/2011 | CN201975316U 户外高压开关的小功率电动操作装置 Outdoor high voltage switchgear small power electric operating device |
| 09/14/2011 | CN201975315U 一种防锈型高空隔离开关 One kind of rust-proof high-altitude isolation switch |
| 09/14/2011 | CN201975314U 高压开关柜接地开关传动装置 High Voltage Switchgear grounding switch gear |
| 09/14/2011 | CN102187417A Electric switching apparatus provided with two switches, such as a busbar sectionalising switch and an earthing switch, and including a driving means common to the mobile contacts of the switches |
| 09/14/2011 | CN102184794A Anti-misoperation device for manual operation mechanism of grounding switch |
| 09/14/2011 | CN102184793A Isolating switch |
| 09/13/2011 | CA2483509C Fuse cutout with improved dropout performance |
| 09/09/2011 | WO2011079926A3 A block of bushings of a three-phase rotary switch-disconnector |
| 09/07/2011 | CN201966120U 双极垂直式高压隔离开关 Bipolar vertical high-voltage isolation switch |
| 09/07/2011 | CN201966119U 定子水内冷发电机绝缘特性测试仪 Water-cooled generator stator insulation characteristics tester |
| 09/07/2011 | CN201966118U 安全静触座支持结构 Anquan Jing-touch seat support structure |
| 09/07/2011 | CN201966117U 拉杆拐臂防脱装置 Rod crank arm off prevention device |
| 09/07/2011 | CN201966116U 一种三工位隔离开关 A three-position disconnector |
| 09/07/2011 | CN201966115U 一种窄型接地开关 A narrow type earthing switch |
| 09/07/2011 | CN102176396A Three-phase common-box type high-speed earthing switch device |
| 09/07/2011 | CN101677177B Epoxy pouring type solid insulation switch with three-cabin |
| 09/06/2011 | US8013618 Voltage detection apparatus |
| 09/06/2011 | US8013617 Test method and apparatus for spark plug ceramic insulator |
| 09/02/2011 | CA2732177A1 Resistance device for high voltage switch assembly |
| 09/01/2011 | WO2011104207A1 Semi-pantograph disconnector |
| 08/31/2011 | EP2362406A1 Semi-pantograph disconnector |
| 08/31/2011 | CN201956258U 一种新型高压直流隔离开关 A new high-voltage DC disconnectors |
| 08/31/2011 | CN201956257U 户外交流高压隔离开关 Outdoor AC high voltage isolation switch |
| 08/31/2011 | CN201956256U 一种10kv户外柱上带接地的断路器 Breaker one kind of 10kv outdoor column with ground |
| 08/31/2011 | CN201956255U 三工位扭簧机构 Three-position of the torsion spring mechanism |
| 08/31/2011 | CN201956254U 一种隔离开关输出轴的防水装置 A waterproof device isolation switch output shaft |
| 08/31/2011 | CN201956253U 一种开关套管 A switch casing |
| 08/31/2011 | CN201956252U 用于机车柜内的高压隔离开关 Locomotive for high-voltage isolation switch cabinet |
| 08/31/2011 | CN201956251U 用于大功率电力机车的高压隔离开关 High-power electric locomotives for high-voltage isolation switch |
| 08/31/2011 | CN201953203U 一种隔离开关操动机构侧门门锁装置 A switch actuator side door lock device isolation |
| 08/24/2011 | CN201946487U 一种高可靠性户外高压隔离开关 A highly reliable outdoor high-voltage isolation switch |
| 08/24/2011 | CN201946486U 一种旋转式高压隔离开关 A rotary high voltage isolation switch |
| 08/24/2011 | CN201946485U 一种用于负荷隔离开关的连杆操作机构 A load isolation switch operating mechanism for the link |
| 08/18/2011 | WO2010144275A3 Cable termination systems and isolating apparatus for electrical power transmission conductors and methods using the same |
| 08/17/2011 | CN201936798U 改进方案的带地刀高压隔离开关及其操作机构 High-voltage isolation switch with a knife and its operating mechanism to improve programs |
| 08/17/2011 | CN102157294A Three-station isolation ground switch |
| 08/17/2011 | CN101677176B Integrated prepackage type transformer station |
| 08/11/2011 | US20110192707 Motor operator for switchgear for mains power distribution systems |
| 08/10/2011 | CN201927531U 一种具有触指功能的高压隔离开关 A high-voltage isolation switch with finger function |
| 08/10/2011 | CN201927530U 户外气体绝缘负荷开关 Outdoor gas insulated load switch |
| 08/10/2011 | CN201927529U 复接式开关套管 Multiplexing switch casing |
| 08/10/2011 | CN201927499U 一种开关拉杆 A switch rod |
| 08/10/2011 | CN102148108A Closing/opening operating mechanism for upper and lower isolating switches and grounding switch and switch cabinet |
| 08/09/2011 | US7994799 Insulation resistance detection system, insulation resistance detection apparatus and insulation resistance detection method |
| 08/09/2011 | US7994442 Rack gear for electrical circuit breaker |
| 08/04/2011 | US20110187386 Method of detecting mem device faults with single current pulse |
| 08/03/2011 | CN201918300U 一种旋转式隔离开关 A rotary switch disconnectors |
| 08/03/2011 | CN201918299U 一种永磁机构带隔离的配网自动化开关 A permanent magnet agency distribution network automation with isolation switch |
| 08/03/2011 | CN201918298U 一种用于高压开关设备的三工位操作机构 Three-position operating mechanism for high voltage switchgear |
| 08/03/2011 | CN101315848B Double-column horizontal rotation type high-voltage isolation switch |
| 08/02/2011 | US7990157 Card for simulating peripheral component interconnect loads |
| 08/02/2011 | US7990156 Method and apparatus for measuring degradation of insulation of electrical power system devices |
| 08/02/2011 | US7989988 Semiconductor integrated circuit device |
| 08/02/2011 | US7989717 Connection switchpanel for medium-voltage switchgear |
| 07/28/2011 | WO2011090580A1 Remote drive for disconnector/isolator used in switchgear |
| 07/28/2011 | CA2784941A1 Remote drive for disconnector/isolator used in switchgear |
| 07/27/2011 | CN201910361U Hand-operated opening and closing device |
| 07/27/2011 | CN102136388A High-voltage grounding switch |
| 07/21/2011 | WO2011086188A1 Metal-encapsulated, gas-insulated combined disconnecting and grounding switch |
| 07/20/2011 | EP2346059A2 Method for switching an electric power circuit |
| 07/20/2011 | CN201904271U Outdoor AC high-voltage isolating switch |
| 07/20/2011 | CN201904270U Protective cover for auxiliary contact of isolating switch |
| 07/20/2011 | CN201904269U Base plate for isolation switch |
| 07/20/2011 | CN201904268U Fixed contact for switch |
| 07/20/2011 | CN201904267U Isolation switch with wall-penetrated conducting wire |
| 07/20/2011 | CN201904266U Isolation switch with elastic tightening device |
| 07/20/2011 | CN201904265U Connecting column for high-voltage switch |
| 07/20/2011 | CN201904264U Composite blade dynamic contact knife of disconnecting switch |
| 07/20/2011 | CN201904263U Enhanced circuit connecting plate |
| 07/20/2011 | CN201904262U Crisscross conducting rod |
| 07/20/2011 | CN201904261U Pneumatic high-voltage isolating switch |
| 07/20/2011 | CN201904236U Three-station operating mechanism for switch equipment |
| 07/20/2011 | CN102128955A Auxiliary safety measure device for high-voltage test |
| 07/20/2011 | CN102128690A Temperature anomaly detection device for isolating switch |
| 07/20/2011 | CN101174516B State monitoring device for circuit breaker |
| 07/14/2011 | US20110169501 Delay circuit |
| 07/13/2011 | CN201898076U Isolating plug |
| 07/13/2011 | CN201898075U Isolating switch base |
| 07/13/2011 | CN201898074U Rotating shaft structure of indoor high-voltage rotary isolating switch |
| 07/13/2011 | CN201898073U Touch finger type disconnecting switch |
| 07/13/2011 | CN201898072U Detachable contact of disconnecting switch |
| 07/13/2011 | CN201898071U Conductive tube of isolating switch |
| 07/13/2011 | CN201898070U Closing locking device of indoor high-voltage isolating switch |
| 07/13/2011 | CN201898069U Conducting loop structure of isolating switch |
| 07/13/2011 | CN201898068U Disconnecting switch base |
| 07/13/2011 | CN101447360B Isolating switch for underground high-voltage power distribution device |
| 07/12/2011 | US7977822 Dynamically changing control of sequenced power gating |