| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
|---|
| 08/01/2012 | CN202363345U Safety interlocking device for switchgear |
| 08/01/2012 | CN202363344U An interlocking device for switchgear three-position disconnecting switch operating mechanism |
| 08/01/2012 | CN202363343U Main-loop insulation part of three-position disconnecting switch |
| 08/01/2012 | CN202363282U Disconnecting switch with low contact-plugging resistance |
| 07/26/2012 | WO2012099919A1 Air break electrical switch having a blade toggle mechanism |
| 07/26/2012 | DE102004013606B4 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables |
| 07/25/2012 | CN202352576U Grounding switch of +/-400kV direct current valve hall |
| 07/25/2012 | CN202352575U 固体绝缘隔离开关 Solid insulated disconnectors |
| 07/25/2012 | CN202352574U Moving contact connection structure for isolating switch |
| 07/25/2012 | CN202352573U Extreme high voltage grounding switch system |
| 07/25/2012 | CN102612726A Power source circuit cutoff device |
| 07/25/2012 | CN102610425A Switch operating mechanism auxiliary switch |
| 07/25/2012 | CN102610424A 10KV outdoor high-voltage isolator with airtight chambers |
| 07/25/2012 | CN101620947B Epoxy-pouring full-insulation solid isolating switch |
| 07/19/2012 | WO2012095130A1 High-voltage switchgear |
| 07/19/2012 | US20120181156 Gas-insulated high-voltage switching system |
| 07/18/2012 | CN202339880U 交流高压隔离开关底座摇臂结构 AC high voltage isolation switch rocker base structure |
| 07/18/2012 | CN202339879U 户外10kv隔离开关接线座 10kv outdoor isolating switch socket |
| 07/18/2012 | CN202339878U 户外电动机构辅助开关调角装置 Outdoor electric auxiliary switching mechanism reclining device |
| 07/18/2012 | CN202339877U 交流高压隔离开关底座扁平转轴结构 AC high voltage isolation switch base flat shaft structure |
| 07/18/2012 | CN202339876U 27.5kV户内三极手动交流高压隔离开关 Within 27.5kV indoor three-pole manual AC high voltage disconnectors |
| 07/18/2012 | CN202339875U 户外垂直打开式高压隔离开关电动操动装置 Outdoor vertical open-pressure isolation switch electric actuator device |
| 07/18/2012 | CN202339874U 户内高压隔离自动接地开关 Indoor high-voltage isolation automatic grounding switch |
| 07/18/2012 | CN202339873U 高压隔离开关接地装置 High-voltage isolation switch grounding device |
| 07/18/2012 | CN102598178A Drive device, in particular for a multi-position switching apparatus |
| 07/18/2012 | CN102592859A Manual opening and closing device for operation mechanism |
| 07/18/2012 | CN101145466B Earthing switch mechanism |
| 07/11/2012 | CN202332686U 小型开关柜接地开关与隔离开关分开式独立操作机构 Small switchgear earthing switch disconnectors split-independent operating mechanism |
| 07/11/2012 | CN202332685U 小型开关柜接地开关与隔离开关转轴之间的联锁装置 Small switchgear interlocking device with isolation switch shaft earthing switch between |
| 07/11/2012 | CN202332684U 一种三相机械联动结构的传动装置 A three-phase transmission mechanical linkage structure |
| 07/11/2012 | CN202332683U 一种隔离开关拐臂定位装置 An isolating switch crank arm positioning device |
| 07/11/2012 | CN202332682U Guiding piece of high-tension switch |
| 07/11/2012 | CN202332681U 高低压电瓷开关 Level of piezoelectric ceramic switch |
| 07/11/2012 | CN202332680U 电瓷户外交流高压隔离开关 Porcelain Outdoor AC high voltage isolation switch |
| 07/11/2012 | CN102576622A Gas insulated medium voltage switchgear |
| 07/11/2012 | CN102576621A Medium voltage switchgear having disconnecting switches and three-position switches |
| 07/11/2012 | CN102568909A High voltage outdoor isolation switch |
| 07/11/2012 | CN102568908A Double-throw isolating switch |
| 07/11/2012 | CN102568907A High voltage indoor isolation switch |
| 07/04/2012 | EP2471081A1 Drive device, in particular for a multi-position switching apparatus |
| 07/04/2012 | CN202307659U 弹簧操动机构联锁装置 Spring mechanism interlock device |
| 07/04/2012 | CN202307658U 高压垂直打开隔离开关静触头更换块 Vertical high pressure isolation switch opens replace static contact block |
| 07/04/2012 | CN202307657U 126kV户外交流高压隔离开关 126kV outdoor AC high voltage isolation switch |
| 07/04/2012 | CN202307656U 一种三位置开关导体结构 A three-position switch conductor structure |
| 07/04/2012 | CN202307655U 一种三位置开关 A three-position switch |
| 07/04/2012 | CN202307559U 接地开关连接体 Grounding switch connector |
| 07/04/2012 | CN102543551A Operating mechanism of three-station switch |
| 07/04/2012 | CN102543550A Direct current isolation switch for rail transit |
| 07/04/2012 | CN102543549A Isolating switch body of railway traffic |
| 07/04/2012 | CN102543548A High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
| 07/04/2012 | CN101527219B Protective shield of pole load switch |
| 07/04/2012 | CN101449348B Switching device for an electrical switchgear assembly for energy distribution |
| 06/27/2012 | EP2467865A1 Disconnector for switchgear |
| 06/27/2012 | EP2467864A1 Retaining element for switchgear |
| 06/27/2012 | EP2467863A1 Switchgear |
| 06/27/2012 | CN202285214U 高压隔离开关与接地开关的联锁装置 High voltage interlock switch disconnectors and earthing |
| 06/27/2012 | CN202285213U 高压开关柱间连接杆的连接接头 Column connections between high-voltage switch rod connectors |
| 06/27/2012 | CN202285212U 隔离换向开关外连接传动支座 Isolation for the switch gear bearing outer join |
| 06/27/2012 | CN102522250A Shunting device for isolating switch |
| 06/27/2012 | CN102522249A Direct-acting three-working-position isolation switch moving contact device |
| 06/27/2012 | CN101807484B High-powder operation device |
| 06/26/2012 | US8207745 Anomaly monitoring device |
| 06/26/2012 | US8206861 Intermediate circuit with a first switch for switching a fuel cell stack and second switch for short-circuting the fuel stack, fuel cell system with an intermediate circuit, and method for controlling the intermediate circuit |
| 06/26/2012 | US8206775 Method for repairing pattern defect on electronic circuit and apparatus therefor |
| 06/21/2012 | WO2012081108A1 Electric current switching device |
| 06/21/2012 | WO2012080392A1 Disconnector switch for voltage transformer |
| 06/21/2012 | CA2821630A1 Disconnector switch for voltage transformer |
| 06/20/2012 | EP2466603A1 Disconnector switch for voltage transformer |
| 06/20/2012 | CN202282290U 高压隔离开关传动装置 High-voltage isolation switch gear |
| 06/20/2012 | CN202282273U 三工位隔离接地开关引弧装置 Three-position switch ignition device isolated ground |
| 06/20/2012 | CN202282263U 户外电动机构通用行程装置 Universal travel agency outdoor electric devices |
| 06/20/2012 | CN102509668A 35kV isolation switch operating mechanism |
| 06/20/2012 | CN102509667A Transmission structure for high voltage switch |
| 06/20/2012 | CN101443871B Switching device, in particular fused interrupters |
| 06/13/2012 | EP2462606A1 Gas-insulated high-voltage switching system |
| 06/13/2012 | CN202275771U 一种户外交流高压隔离开关 Kind of outdoor AC high voltage isolation switch |
| 06/13/2012 | CN202275770U 一种隔离开关 An isolating switch |
| 06/13/2012 | CN202275769U 一种开关合刀连接板 A switch combination knife webs |
| 06/13/2012 | CN202275741U 侧部有穿线管的开关支柱瓷套 There are pillars of the side switch porcelain sets threading pipe |
| 06/13/2012 | CN102496516A Explosion-proof box body locking mechanism provided with isolating switch on door to be locked |
| 06/13/2012 | CN102496515A Front and rear multi-door locking mechanism with operating position of disconnecting switch on side face |
| 06/13/2012 | CN102496496A Isolating switch operation mechanism |
| 06/13/2012 | CN101702385B Fuse disconnecting switch |
| 06/12/2012 | US8199343 Partial electrical discharge system and method |
| 06/07/2012 | WO2012072410A1 Electrical contact arrangement |
| 06/06/2012 | CN202268283U 一种高压接地开关 A high voltage grounding switch |
| 06/06/2012 | CN202268282U 隔离开关指示机构 Isolation switch instructs agencies |
| 06/06/2012 | CN202268281U 隔离开关主回路螺杆传动机构 Isolating switch main circuit screw drive mechanism |
| 06/06/2012 | CN202268280U 隔离开关主回路锥齿轮传动机构 Isolating switch main circuit bevel gear drive mechanism |
| 06/06/2012 | CN202268279U 隔离开关操动辅助开关防直流接地装置 Actuator auxiliary switch disconnectors anti-DC grounding device |
| 06/06/2012 | CN202268263U 高压隔离接地开关用电动操动机构 Pressure isolation grounding switch electric actuator |
| 06/06/2012 | CN102486979A Method and device for reducing temperature of low-voltage isolating switch fuse group of distribution transformer |
| 06/06/2012 | CN102486978A Combined electrical isolating switch and grounding switch |
| 06/05/2012 | US8193664 Electrical power-saving control apparatus, power supply including that apparatus and power-saving method thereof |
| 06/05/2012 | CA2407369C Fuse cutout with mechanical assist |
| 05/31/2012 | WO2012070318A1 Power circuit interrupting device |
| 05/30/2012 | EP1361633B1 Gas insulated switchgear |
| 05/30/2012 | CN202260234U Grounding transitional plate and grounding switch employing same |
| 05/30/2012 | CN202258983U Mechanical locking device of three-station switch |
| 05/30/2012 | CN202258982U Operation mechanism of three-station isolation grounding switch of combined electrical apparatus |