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)
06/2014
06/04/2014CN203631394U 一种用于电抗器产品的专用隔离开关 A reactor products dedicated isolation switch
06/04/2014CN203631393U 一种800kV高压交流隔离开关辅助触头 One kind of 800kV high-voltage AC isolation switch auxiliary contacts
06/04/2014CN203631392U 一种高压隔离开关 A high-pressure isolation switch
06/04/2014CN203631391U 一种气动高压隔离开关 One kind of pneumatic pressure isolation switch
06/04/2014CN103839727A Solid insulation full-sealed three-position disconnecting switch
06/04/2014CN103839726A High voltage isolation switch
06/04/2014CN103839725A Isolating switch
05/2014
05/28/2014EP2735011A1 Method and system for estimating transformer remaining life
05/28/2014CN203617205U 一种接地开关位置特殊布置的一字形隔离开关结构 One land switch positions arranged in a zigzag special isolation switch structure
05/28/2014CN203617164U 接地开关水平连杆 Ground level switch link
05/28/2014CN103828007A 用于估计变压器剩余寿命的方法和系统 The method used to estimate the remaining life of the transformer and system
05/21/2014EP2733717A1 Isolating switch with at least three connecting rails
05/21/2014CN203607318U 一种改进的接地开关操作防误闭锁 An improved error lockout prevention earthing switch operation
05/21/2014CN203607317U 用于多工位转换负荷开关的联锁 For multi-bit converter load switch interlock
05/21/2014CN203607316U 一种用于高压开关柜的隔离开关闭锁装置 A high voltage switchgear isolation switch locking device
05/21/2014CN203607315U 固体绝缘隔离开关 Solid insulated disconnectors
05/21/2014CN203607314U 直动三工位隔离开关过位保护装置 Direct-acting three-position disconnector bit too protective devices
05/21/2014CN203607313U 35kV隔离刀开关刀头导流装置 35kV isolation switch blade knife deflector
05/21/2014CN203607312U 隔离开关引流线 Drainage line disconnectors
05/21/2014CN203607311U 一种pt柜用隔离开关 One kind pt cabinet with isolation switch
05/15/2014WO2014072027A1 A method for controlling arc ignition in the intercontact break of a disconnector during the operation of opening and closing the disconnector
05/14/2014EP2731213A1 A method for controlling arc ignition in the intercontact break of a disconnector during the operation of opening and closing the disconnector
05/14/2014CN203596310U 直动三工位隔离开关 Direct-acting three-position disconnector
05/14/2014CN203596309U 三工位隔离开关操作机构 Three-position disconnector operating mechanism
05/14/2014CN203596308U 旋转隔离开关 Rotary isolation switch
05/14/2014CN203596307U 垂直传动隔离开关顶装安装架结构 Top-mounted vertical transmission isolation switch mounting bracket structure
05/14/2014CN203596306U 隔离开关传动杆防偏装置 Isolation switch gear lever anti-bias means
05/14/2014CN203596305U 隔离开关水平旋转转换垂直旋转装置 Disconnectors horizontal rotary converters vertical rotating device
05/14/2014CN102368452B 一种地铁高压隔离接地开关 Ground high-voltage isolation switch for Metro
05/14/2014CN102354922B 一种快速接地开关 A fast earthing switch
05/14/2014CN102339684B 带有接地开闭器的断路器 With grounding switch breaker
05/07/2014EP2728602A1 Electrical high voltage circuit breaker and method for opening same
05/07/2014CN203588911U 一种低端直流阀厅用接地开关 One kind of low-end DC grounding switch valve hall
05/07/2014CN203588910U 刀闸锁分之高压隔离开关 Thirds of high voltage isolation switch lock knife
05/07/2014CN203588909U 三工位隔离开关绝缘拉杆 Three-position disconnector insulated rod
05/07/2014CN203588908U 三柱式高压隔离开关闸刀结构 Three pillar structure of high-voltage isolation switch knife
05/07/2014CN203588907U 一种双柱水平旋转式高压直流隔离开关 One kind of double-column horizontal rotary HVDC isolation switch
05/07/2014CN203588906U 一种户外交流隔离开关 Kind of outdoor AC isolating switch
05/07/2014CN203588905U 电动隔离开关操作机构箱防水装置 Electrical isolation switch operating mechanism box waterproof device
05/07/2014CN101855693B 连接模块和具有连接模块的开关装置 Connection module and switching device having a connection module
04/2014
04/30/2014CN203573892U Grounding switch for high voltage power source
04/30/2014CN203573891U Indoor high-voltage direct-operated isolating and grounding switch
04/30/2014CN203573890U High-voltage knife switch
04/30/2014CN203573889U Outdoor high-voltage large-current isolating switch
04/30/2014CN103762105A Shift fork wheel device of disconnecting switch of operating mechanism and operating method thereof
04/30/2014CN102426969B Three-station isolating switch three-position interlocking device
04/30/2014CN102426963B Direct-current ice-melting isolating switch
04/23/2014EP2721625A1 A switching device and a switchgear
04/23/2014EP2721624A1 A switching device and a switchgear
04/23/2014DE202013100283U1 NH-Leiste NH-bar
04/23/2014CN203562364U Disconnecting switch of high-voltage cabinet
04/23/2014CN203562363U Synchronizer for opening-closing signals of electric operating mechanism
04/23/2014CN203562362U Multi-angle push-and-pull transmission connecting lever device
04/23/2014CN203562361U Isolation switch auxiliary operation equipment for transformer substation
04/23/2014CN203562360U Multilayer board type conducting structure of isolation switch
04/16/2014EP2720243A1 Operating mechanism
04/16/2014CN203553718U Outdoor column switch device with built-in disconnecting switch
04/16/2014CN203553023U Grounding switch structure of load switch
04/16/2014CN203553022U Impact type high-voltage movable substation contact device
04/16/2014CN203553021U Isolating switch
04/16/2014CN203553020U High-voltage grounding switch
04/16/2014CN203553019U Disconnecting switch with current diverting line
04/16/2014CN203553018U Special-purpose isolation switch for preventing error power transmission in maintenance of railway overhead contact line system
04/16/2014CN203553017U High-voltage disconnecting switch equipped with grading shield
04/16/2014CN203553016U Blade support member for subway DC isolating switch
04/16/2014CN203553015U Limiting device for isolation switch
04/16/2014CN203553014U Fixing device for isolating switch and composite bushings thereof
04/16/2014CN103730285A Switching-on interlocking device and method for preventing interlocking failure
04/16/2014CN103730284A Horizontal non-limiting auxiliary switch shifter
04/16/2014CN103730283A Operating mechanism used for three-station switch
04/16/2014CN102412086B Fusing phase-lacking protection fuse composite disconnector
04/16/2014CN101515518B Combined electrical apparatus isolation earthing switch operating mechanism
04/09/2014EP2715758A2 Grounding switch
04/09/2014CN203536272U Commutation isolating switch
04/09/2014CN103715007A Position locking mechanism of three-position isolating switch
04/09/2014CN103715006A All-insulation side-mounting type high-voltage isolation switch
04/09/2014CN103715005A Limiting device for three-position switch operating mechanism
04/09/2014CN102426964B Totally-enclosed type outdoor high-voltage isolation switch
04/09/2014CN102376486B Solid insulation independent grounding switch
04/09/2014CN101965668B Configurable circuit breaker
04/08/2014US8692560 Method for testing mask articles
04/03/2014WO2014048068A1 Main electrically conductive tube of megavolt disconnector and manufacturing method thereof
04/02/2014CN203521279U Static contact base
04/02/2014CN203521278U Triangular-shaped rapid grounding switching device
04/02/2014CN203521277U Contact connection structure for three-station isolation grounding switch
04/02/2014CN203521276U Line-shaped rapid grounding switching device
04/02/2014CN203521275U Manual operation mechanism of high strength and high voltage isolation switch
04/02/2014CN203521274U Three-position isolation circuit breaker
04/02/2014CN203521273U Bird-preventing helmet for outdoor isolation switch
04/02/2014CN103700536A Spring energy storage mechanism for disconnecting switch
04/02/2014CN103700535A High-voltage cutoff switch
04/02/2014CN103700534A Transitional motion three-position isolating switch over-position protection device
04/02/2014CN102592859B Manual opening and closing device for operation mechanism
04/02/2014CN102128690B Temperature anomaly detection device for isolating switch
03/2014
03/27/2014US20140083831 Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same
03/26/2014CN203503538U High voltage disconnecting switch actuator of electric locomotive
03/26/2014CN203503537U Three-position isolation grounding switching device
03/26/2014CN103681082A Grounding switch
03/26/2014CN103681081A Opening-closing signal synchronizer for electric operating mechanism
03/26/2014CN103681080A Moving contact group for disconnecting switch
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 51