Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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11/24/2010 | CN201655660U Large-current vacuum circuit breaker |
11/24/2010 | CN201655659U High-voltage vacuum circuit breaker |
11/24/2010 | CN201655658U Vacuum load switch |
11/24/2010 | CN201655657U Outdoor vacuum circuit breaker |
11/24/2010 | CN201655656U Indoor high-voltage vacuum circuit breaker used in high altitude |
11/24/2010 | CN201655655U Vacuum circuit breaker with longitudinally-arranged three phases |
11/24/2010 | CN201655654U Vacuum circuit breaker |
11/24/2010 | CN201655653U Isolation vacuum circuit breaker |
11/24/2010 | CN201655652U Flexible connection structure for three-phase alternating current high-voltage vacuum contactor |
11/24/2010 | CN201655651U Looped network breakpoint intelligent isolation switch |
11/24/2010 | CN201655650U High-voltage load switch |
11/24/2010 | CN201655649U Transmission device of GIS circuit breaker operation mechanism |
11/24/2010 | CN201655648U Single-phase operated circuit breaker of 126 kV separate-box combined electrical apparatus |
11/24/2010 | CN201655647U 10-20kV high-voltage switching device |
11/24/2010 | CN201655646U High-voltage isolating switch capable of cutting off induced current |
11/24/2010 | CN1532865B Operation circuit and electric power switch device using it |
11/24/2010 | CN101894706A Double-fracture vacuum arc extinguish chamber |
11/24/2010 | CN101894705A Withdrawable device of vacuum circuit breaker |
11/24/2010 | CN101894704A High-pressure vacuum breaker |
11/24/2010 | CN101894703A High-voltage vacuum switch |
11/24/2010 | CN101894702A Supporting piece used for high voltage vacuum circuit breaker |
11/18/2010 | WO2010130099A1 Lock device for restricting rotational movement |
11/18/2010 | US20100288733 Vacuum circuit breaker of tank type |
11/18/2010 | DE102009021754A1 Hilfsauslöseeinheit für einen Leistungsschalter Auxiliary trip unit for a circuit breaker |
11/18/2010 | DE102009021022A1 Protective switching device e.g. earth-leakage circuit breaker, has clamps connecting external power lines on side that is turned towards interior of device, where gases or steams produced by arc in device are provided into components |
11/18/2010 | DE102009013337A1 Lichtbogenresistenter Schütz Arc-resistant contactor |
11/17/2010 | EP2251885A1 Medium- and high-voltage linear electrical disconnect switch with resistor |
11/17/2010 | EP2059938B1 Vacuum circuit breaker |
11/17/2010 | EP2059935B1 Vacuum circuit breaker |
11/17/2010 | CN201639187U Combined charging joint |
11/17/2010 | CN201638743U Permanent-magnet vacuum circuit breaker |
11/17/2010 | CN201638742U Phase column for vacuum-switch combined electrical apparatus |
11/17/2010 | CN201638741U Permanent-magnet vacuum single-way switch |
11/17/2010 | CN201638740U Phase column of combined electrical apparatus |
11/17/2010 | CN201638739U Novel outdoor AC vacuum breaker |
11/17/2010 | CN201638738U Novel outdoor vacuum breaker with isolating switch |
11/17/2010 | CN201638700U Braking mechanism used in volute spring operation device |
11/17/2010 | CN1812028B Contact with strong connecting-disconnecting function |
11/17/2010 | CN101887821A Closing speed reduction based method for improving processing efficiency of closing bounce |
11/17/2010 | CN101887820A Method for improving closing rebound processing efficiency |
11/17/2010 | CN101887819A Vacuum switch |
11/17/2010 | CN101887818A Method for improving switching-on tripped processing efficiency based on changing excessive stroke |
11/17/2010 | CN101887808A Method for improving switching-on tripped processing efficiency based on adjusting insulating pull rod |
11/17/2010 | CN101142647B Magnetic actuating device |
11/16/2010 | US7834290 Protection switch |
11/11/2010 | WO2010127957A1 Insulating housing for receiving a vacuum switching tube and switch pole insulated by solid material |
11/11/2010 | US20100282714 Gas-insulated switchgear apparatus and gas filter device |
11/11/2010 | US20100282713 Heat dissipating means for circuit-breaker and circuit-breaker with such a heat dissipating means |
11/10/2010 | EP2249364A1 Method for creating mechanically compressed discharge gas in a gas-isolated high voltage switch and devices for carrying out the method |
11/10/2010 | EP2249359A1 Medium voltage line switch contact arrangement. |
11/10/2010 | CN201629279U Buffering device of circuit breaker operating mechanism for accelerating initial speed |
11/10/2010 | CN201629261U T-shaped multi-break modular high-voltage vacuum circuit breaker |
11/10/2010 | CN201629260U Modularization vacuum circuit breaker |
11/10/2010 | CN201629259U Geographic information system (GIS) |
11/10/2010 | CN201629258U Low SF6 gas pressure blocking control loop of high-voltage circuit breaker |
11/10/2010 | CN201629257U Tank-type circuit breaker |
11/10/2010 | CN201629241U Enclosed permanent magnet retaining mechanism |
11/10/2010 | CN101882531A Manual closing mechanism of high-voltage vacuum permanent magnet mechanism circuit-breaker |
11/10/2010 | CN101882530A High-voltage vacuum switch energy-storage mechanism and control device thereof |
11/10/2010 | CN101882529A Full-shielded touchable vacuum circuit breaker with three-phase compromise joints |
11/10/2010 | CN101882528A Embedded pole type vacuum load switch |
11/10/2010 | CN101882527A Three-station isolating/grounding switch adopting floating structure and self-adaptive conductive contact |
11/10/2010 | CN101399124B Control circuit for bistable state permanent magnet operating mechanism |
11/10/2010 | CN101315849B Spring operating mechanism cooperated with 126kV vacuum circuit breaker separation-integration characteristic |
11/10/2010 | CN101303944B Single tube hot pipe static conductive rod for high tension vacuum arc-extinguishing chamber |
11/10/2010 | CN101145468B Automatic switching switch adopting permanent-magnet operation device |
11/10/2010 | CN101090041B Solid insulated disconnection switch and solid insulated switchgear using the same |
11/09/2010 | US7830232 Arc runner assembly and electrical switching apparatus and method incorporating same |
11/09/2010 | US7829814 Vacuum circuit interrupter grounding assembly |
11/04/2010 | WO2010125631A1 Operating device |
11/04/2010 | WO2010125005A1 A support bracket |
11/04/2010 | US20100276395 35kV Rubber Molded Fused Vacuum Interrupter |
11/04/2010 | DE102009019771A1 Gleitkontaktanordnung Sliding contact |
11/04/2010 | DE10159350B4 Vakuum-Leistungsschalter Vacuum Circuit Breaker |
11/03/2010 | EP2246867A1 A support bracket |
11/03/2010 | EP2245645A1 Short-circuit device having pyrotechnic trigger |
11/03/2010 | EP2245643A1 Vacuum power switch |
11/03/2010 | CN201622972U Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear |
11/03/2010 | CN201622971U Longitudinal magnetic contact of bounce-proofing vacuum arc extinguish chamber |
11/03/2010 | CN201622970U Improved fixation structure for vacuum tube of AC vacuum contactor |
11/03/2010 | CN201622969U Improvement structure of alternating-current vacuum contactor wiring terminal |
11/03/2010 | CN201622968U Vacuum switch tube for low-voltage circuit breaker |
11/03/2010 | CN201622967U n-shaped multi-fracture module high voltage vacuum circuit breaker |
11/03/2010 | CN201622966U 真空断路器 Vacuum Circuit Breaker |
11/03/2010 | CN201622965U Tank body of SF6 tank type circuit breaker |
11/03/2010 | CN201622945U Opening spring seat assembling device of vacuum circuit breaker |
11/03/2010 | CN1969353B Switching contact comprising annular supporting body for vacuum interrupters |
11/03/2010 | CN101877290A Vacuum interruption mechanism used for strengthening electrical insulation properties |
11/03/2010 | CN101877289A Seal vacuum circuit breaker of outdoor high-voltage permanent-magnetic mechanism |
11/03/2010 | CN101877288A Vacuum arc extinction terminal post for high-voltage vacuum breaker and preparation method thereof |
11/03/2010 | CN101877287A Site-measurement tail gas recovering device of sulfur hexafluoride equipment |
11/02/2010 | US7825344 Remote racking of horizontally displaceable circuit breakers |
10/29/2010 | CA2702673A1 35kv rubber molded fused vacuum interrupter |
10/28/2010 | US20100270268 Interrupter Arrangement Having a Movable Switching Tube |
10/28/2010 | US20100270267 Electrode contact member of vacuum circuit breakers and a method of manufacturing the same |
10/28/2010 | US20100270266 Circuit breaker with two aligned breaker chambers, a common transmission, and reduced size |
10/28/2010 | DE102008061238B4 Vorrichtung für einen hydraulischen Antrieb für eine elektrische Schaltanlage Device for a hydraulic drive for an electrical switchgear |
10/27/2010 | EP2244275A1 Switchgear for electric distribution networks |
10/27/2010 | CN201616606U 适用于高压开关设备的电弧止逆装置 Arc anti-kickback device is suitable for high-voltage switchgear |
10/27/2010 | CN201616381U 用于真空断路器匹配弹簧操动机构的凸轮 Vacuum breaker match for spring actuator cam |