| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 04/03/2012 | US8149003 Method and device for determining the humidity content of an insulation of a transformer |
| 03/29/2012 | US20120074955 Methods and systems for quantifying degradation of wiring insulation |
| 03/28/2012 | EP2434512A1 Method for activating the counter of a sectionalizer |
| 03/28/2012 | CN202178407U 接地装置 Grounding device |
| 03/28/2012 | CN202178197U 隔离开关熔断器组 Isolating switch fuse group |
| 03/28/2012 | CN202178196U 一种新型三工位机构 A new three-position mechanism |
| 03/28/2012 | CN202178195U 具有绝缘保护层的环网柜高压接地隔离开关触头刀臂 RMU high voltage ground isolation switch contacts the arm with an insulating protective layer |
| 03/28/2012 | CN202178194U 直流融冰隔离开关 DC disconnectors melting ice |
| 03/28/2012 | CN202178162U 凸轮式高压隔离开关操作机构 Cam-pressure isolation switch operating mechanism |
| 03/28/2012 | CN102394196A High-capacity insulation switch fuse set with operating current of 1600 amperes |
| 03/28/2012 | CN102394195A High voltage isolation switch |
| 03/28/2012 | CN102394194A Isolation switch conductor |
| 03/27/2012 | US8143748 Power supply with standby power |
| 03/22/2012 | DE102011078846A1 Current interruption device for use in fusible disconnecting switch, has driving part and mobile contact parts driven in manner such that driving part and mobile contact parts are turned synchronously around rotation axis of body |
| 03/21/2012 | CN202172040U 户外高压隔离开关电动操作装置 Outdoor high-voltage isolation switch electric operating device |
| 03/21/2012 | CN202172028U 一种新型隔离开关护套 A new isolation switch jacket |
| 03/21/2012 | CN101320647B Composite perpendicular isolating switch with fast ground switch |
| 03/20/2012 | US8138766 Flashover analysis tool |
| 03/14/2012 | EP2428974A1 Electrical safety breaker with mobile switch lid |
| 03/14/2012 | EP2428972A2 Electrical circuit breaker with a blockade to prevent the lid from being removed |
| 03/14/2012 | CN202167781U 开关柜接地开关孔活门闭锁电磁铁保护装置 Switchgear grounding switch latching solenoid valves hole protection devices |
| 03/14/2012 | CN202167403U 三相分箱组合电器隔离接地开关的传动装置 Three-phase binning combination of electrical isolation grounding switch gear |
| 03/14/2012 | CN202167402U 三工位隔离接地开关 Three-position switch isolated ground |
| 03/14/2012 | CN202167401U 一种智能户外高压交流母线接地开关 An intelligent outdoor high voltage AC bus grounding switch |
| 03/14/2012 | CN202167400U 双通 Double-pass |
| 03/14/2012 | CN202167399U 一种遥控及手动两用式电力高压保险开关 A remote control and manual dual-use high-voltage power safety switch |
| 03/14/2012 | CN202167368U Strong-current blocking electric control system of grounding switch |
| 03/14/2012 | CN102376488A Switch locking device |
| 03/14/2012 | CN102376487A Highly reliable isolation switch for coal cutter |
| 03/14/2012 | CN102376486A Solid insulation independent grounding switch |
| 03/07/2012 | CN202159619U 一种户外高压交流隔离开关的主地刀联动装置 Kind of outdoor high-voltage AC isolation switch interlocks main ground knife |
| 03/07/2012 | CN202159618U 一种智能v型旋转式风力发电专用户外高压交流隔离开关 An intelligent v-type rotary wind power private outdoor high-voltage AC isolation switch |
| 03/07/2012 | CN202159617U 双柱水平伸缩式户外高压交流隔断开关 Double-column horizontal retractable outdoor high-voltage AC off switch |
| 03/07/2012 | CN102368453A Isolating switch main loop drive mechanism adopting bevel gears |
| 03/07/2012 | CN102368452A Subway high-voltage isolation grounding switch |
| 03/07/2012 | CN102368445A Three-working-position isolation switch |
| 03/01/2012 | US20120053781 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities |
| 02/29/2012 | EP2423939A2 High voltage power supply disconnection assembly |
| 02/29/2012 | CN202153496U 母线接地刀闸互锁器 Busbar earthing switch interlock device |
| 02/29/2012 | CN202153495U Solid insulating three-station isolating/grounding switch |
| 02/29/2012 | CN202153494U Intelligent outdoor high voltage AC isolation switch |
| 02/22/2012 | EP2419913A1 Multi-phase switching device assembly |
| 02/22/2012 | CN102360981A Isolating switch |
| 02/22/2012 | CN102360980A Three-working-position isolation switch |
| 02/22/2012 | CN101540241B 齿轮齿条式隔离开关 Rack and pinion disconnectors |
| 02/21/2012 | US8120209 Voltage sensing device for an individual cell of a group of battery cells |
| 02/16/2012 | DE102011075655A1 Rotating contact subassembly for circular breaker, has shaft passing through hole of contact arm, and spring whose spring force opens movable contact of contact arm and static contact of electric conductor at breaking position of switch |
| 02/15/2012 | EP2418667A2 Air circuit breaker |
| 02/15/2012 | CN202145435U 高压隔离开关附装的新型接地开关 The new high-voltage grounding switch disconnectors attachable |
| 02/15/2012 | CN102354922A Rapid grounding switch |
| 02/15/2012 | CN102354630A Connection mode for main wire connecting terminal and conductive aluminum arm of novel isolating switch |
| 02/15/2012 | CN101834074B 一种高压断路器用弹簧操动机构 A high voltage circuit breaker with spring operating mechanism |
| 02/09/2012 | WO2012016618A1 Drive for a switch disconnector with c o switching capacity |
| 02/09/2012 | DE102006056655B4 Schaltermodul für eine elektrische Schaltanlage Switch module for an electrical switchgear |
| 02/08/2012 | CN202142464U 一种隔离接地开关 An isolating grounding switch |
| 02/08/2012 | CN202142463U 一种可调节吸力特性的高压开关永磁操作机构 An adjustable suction characteristics of high-voltage switch permanent magnetic operating mechanism |
| 02/08/2012 | CN202142462U 一种低阻抗高压隔离开关的刀闸装置 A low impedance high-voltage isolation switch knife device |
| 02/08/2012 | CN202142461U 直通型三工位隔离接地开关 Straight-type three-position switch isolated ground |
| 02/08/2012 | CN202142460U 双接地直通型三工位隔离接地开关 Dual grounding-through three-position switch isolated ground |
| 02/08/2012 | CN202142459U 电动接地开关 Electrical grounding switch |
| 02/08/2012 | CN1830123B 具有三个开关位置的接地开关 Has three switch positions earthing switch |
| 02/08/2012 | CN102347163A Isolating switch |
| 02/07/2012 | US8111073 Testing device |
| 02/02/2012 | US20120025845 Short circuit detection in an inkjet printhead |
| 02/01/2012 | CN202134447U 熔断缺相保护型熔断器复合隔离开关 Phase protection fuse isolating switch fuse complex |
| 02/01/2012 | CN202134446U 转角限位式户外隔离开关接线座 Angle limit type of outdoor isolating switch socket |
| 02/01/2012 | CN102339684A Disconnecting switch with earthing switch |
| 02/01/2012 | CN101645366B 一种电动隔离开关 An electric isolation switch |
| 02/01/2012 | CN101320648B 一种气体绝缘隔离开关装置 A gas insulated switchgear isolation |
| 02/01/2012 | CN101055813B 用于中压或高压开关设备的三位开关 Three-position switch for medium or high voltage switchgear |
| 01/31/2012 | US8106667 Insulation measurement apparatus |
| 01/25/2012 | EP2409310A1 Simplified conductor for an electric apparatus, and electric apparatus comprising at least one such conductor |
| 01/19/2012 | WO2012007243A1 Disconnector, particularly of the double-break double-movement type |
| 01/19/2012 | WO2012006816A1 Movable contact device for circuit breaker |
| 01/18/2012 | CN202120809U Novel high-voltage disconnecting link |
| 01/18/2012 | CN202120808U Rotary mechanism |
| 01/18/2012 | CN202120807U Mechanical locking mechanism |
| 01/18/2012 | CN202120806U Operating mechanism of directly operated type three-position disconnecting switch |
| 01/18/2012 | CN202120805U Cubicle gas insulated switchgear |
| 01/18/2012 | CN202120804U Isolation switch |
| 01/18/2012 | CN202120803U Moving contact vertical moving type high pressure isolation switch used for moving contact position detection |
| 01/18/2012 | CN202120802U Moving contact horizontal-moving type high voltage isolating switch used for detecting position of moving contact |
| 01/11/2012 | CN202110994U Quick ground switch |
| 01/11/2012 | CN202110993U Special grounding knife device |
| 01/11/2012 | CN101976622B Grounding switch operating device of removable switch cabinet |
| 01/11/2012 | CN101320649B 35kV outdoor AC isolation switch |
| 01/10/2012 | US8093907 Test equipment |
| 01/10/2012 | US8093906 System and method for testing winding insulation resistance |
| 01/10/2012 | US8093762 Semiconductor integrated circuit device |
| 01/04/2012 | CN202103359U Grounding switch used for switch device |
| 01/04/2012 | CN202102949U Novel regulating nut of outdoor isolating switch |
| 01/04/2012 | CN202102948U Isolation switch porcelain pull bar casting structure |
| 01/04/2012 | CN102306586A Three-station isolation grounding switch operating mechanism of combined electrical appliance |
| 01/04/2012 | CN102306585A Remote control and manual dual-purpose electrical high-voltage safety switch |
| 01/04/2012 | CN102306584A Electric earthing switch |
| 01/04/2012 | CN102306559A Movable and static contact connection assembly and high-voltage isolation grounding switch |
| 01/03/2012 | CA2444828C Polymeric cutout assembly |
| 12/29/2011 | DE102010025289A1 Verfahren zur Einstellung von Kontaktkräften an Hochspannungsschaltgeräten Method for setting of contact forces on high voltage switching devices |
| 12/28/2011 | EP2400518A1 Method for adjusting contact forces in high voltage switching devices |
| 12/28/2011 | CN202094037U 箱变用防止带负荷分合隔离开关 Box changes by preventing the division with a load isolation switch |