Patents for H02G 7 - Overhead installations of electric lines or cables (6,956)
11/2011
11/23/2011CN102255274A Direct-current de-icing method of overhead ground wire and composite optical fibre ground wire
11/23/2011CN102255273A Efficient direct current ice melting method
11/23/2011CN102255272A Alternating-current de-icing method for transmission line based on reactive compensation of capacitor
11/23/2011CN102255271A Low-voltage rectifying device
11/23/2011CN102255270A Power transmission line cone cutter head milling and extrusion deicing method and apparatus thereof
11/23/2011CN102255269A Energy-saving compression type strain clamp
11/23/2011CN101777740B Wire icing preventer for overhead power transmission lines
11/17/2011DE102010020441A1 Photovoltaic plant for supplying electrical power for households, has solar modules directly or indirectly secured at supporting structure or at pole of electrical supply conduit for household power and/or telecommunication spacer
11/16/2011CN202042865U Earthing device of power transmission line of composite pole tower
11/16/2011CN202042864U Unbalance insulation earthing device for half-composite pole tower
11/16/2011CN202042863U Power frequency online anti-icing and de-icing device for electric power transmission line
11/16/2011CN202042862U Remote control deicer for high-voltage wire
11/16/2011CN202042861U Double-cracking separation rod
11/16/2011CN202042860U Suspension clamp formed by stretching steel plate
11/16/2011CN202042859U Waterproof type strain clamp
11/16/2011CN202042858U Wedge-shaped strain clamp
11/16/2011CN202042857U Anti-falling clamp for power transmission line electricity taking coil
11/16/2011CN202042856U Power line solar electric bird scaring device
11/16/2011CN202042855U Wind power bird repelling device for overhead line
11/16/2011CN202042854U AC EHV double-circuit tension steel support
11/16/2011CN202042809U Low-temperature and high-voltage hot- blast deicing vehicle
11/16/2011CN202039636U 800-KV extra-high voltage direct-current new linear transmission iron tower
11/16/2011CN102244373A Strain clamp
11/16/2011CN101789576B Tool used for exchanging closed loading bar knife with electrification
11/16/2011CN101719648B Piston rod of mechanical vibratory deicer with overhead ground wire
11/10/2011US20110272190 Damage resistant power transmission structures
11/09/2011CN202034741U Microwave deicing device for high-voltage wire
11/09/2011CN202034740U Retaining structure of six-multiple conductor
11/09/2011CN202034739U Combined yoke plate used for six-bundle conductors
11/09/2011CN202034738U Transmission line ball type bird repeller
11/09/2011CN202029706U Anti-freezing system for contact network
11/09/2011CN102237664A Embedded type vibration-proof hammer
11/09/2011CN102237663A Damper
11/09/2011CN102237662A Support spacing rod
11/09/2011CN102237661A Suspension clamp
11/09/2011CN102237660A Strain clamp of aluminum alloy core aluminum stranded wire
11/09/2011CN101656407B Method and device for preventing ice coating in electric transmission line
11/09/2011CN101630825B Reinforced type lead wire damping spacer
11/03/2011WO2011037437A3 Apparatus for automatically adding and arranging cables
11/03/2011DE102010049911A1 Elektrischer Leistungsregler für ein Fahrzeug mit Stopp-Start-System Electrical power controller for a vehicle with stop-start system
11/02/2011CN202026065U Semi-composite material pole tower power transmission line grounding device
11/02/2011CN202026064U Single-double hybrid power transmission line transposition tower with auxiliary arm
11/02/2011CN202026063U High-voltage insulating strain clamp
11/02/2011CN202026040U Wire clamp
11/02/2011CN102231506A Device and method for rapidly melting ice and snow of transmission line
11/02/2011CN102228876A Remote control automatic coating robot for preventing icing on transmission line
11/02/2011CN101707340B Mechanical shock deicing device for overhead ground wire and using method thereof
11/01/2011CA2383313C Composite insulator with an optical fibre guided between a metal frame and the support rod
10/2011
10/27/2011US20110259633 Device and method for stringing overhead cable
10/27/2011DE102010028172A1 Clamping apparatus of longitudinal spacers of contact wire of overhead power line and carrying rope for electric operated vehicle, has brake device that comprises arresting gear for holding detent gear
10/26/2011CN202017375U 220 kV olecranon butterfly drilling and crossing tower
10/26/2011CN102227077A Tower arrangement structure at cable terminal
10/26/2011CN102227076A Robot used for automatically deicing high tension transmission line
10/26/2011CN102227075A Rapid deicing apparatus of four bundled conductors
10/26/2011CN102227074A Power transmission line deicing antifreeze system
10/26/2011CN102227073A Damping spring vibration-proof hammer
10/26/2011CN102227072A Anti-vibration and anti-oscillation damping spring spacer
10/26/2011CN102227066A Apparatus used for walking on quad bundled conductors and method for spanning spacers
10/26/2011CN102227064A Crossover-stand used for erecting power transmission lines
10/26/2011CN102227063A Rolling device used for erecting power transmission line
10/26/2011CN102224816A Ball type bird repeller for power transmission line
10/20/2011US20110253443 Tension balancer for overhead wire and tension balancer installation auxiliary device for overhead wire
10/20/2011US20110253410 High-voltage connection and electric rail vehicle having a high-voltage connection
10/19/2011EP2377716A1 Method for de-icing a railway vehicle feeder cable
10/19/2011CN202014074U Anti-twist device for bundle conductor
10/19/2011CN202014073U Vibration-reducing connecting part of overhead electric wire
10/19/2011CN202014072U Hardware right-angle hanging ring for overhang ground wire of power line
10/19/2011CN202014071U Conducting wire sag adjusting device
10/19/2011CN202014056U Rolling device for erecting power transmission line
10/19/2011CN202012226U Narrow base tower
10/19/2011CN102222873A Energy-saving bolt-type strain clamp
10/19/2011CN101752815B Ultra-high-voltage large-tonnage wire lifting device
10/19/2011CA2737287A1 Method of defrosting a railway vehicle supply line
10/18/2011US8039747 High voltage electric submersible pump cable
10/18/2011CA2478264C Single jaw wedge dead end
10/12/2011EP2374189A2 Electric energy distribution pole with incorporated ground system
10/12/2011CN202009212U Ground wire transposition system of power transmission line
10/12/2011CN202009211U Rapid deicing device for four-bundle conductors
10/12/2011CN102214904A Damper for power cable
10/12/2011CN102214903A Anti-oscillation spacer
10/12/2011CN102214902A Strain clamp for carbon fiber lead
10/12/2011CN102214901A Anti-icing device
10/05/2011CN202004410U Rotary deicing device for power transmission line wire
10/05/2011CN202004409U Damper with damping spring
10/05/2011CN202004408U Anti-oscillation vibration reduction damping spring conductor spacer
10/05/2011CN202004407U Split adjustable spacing rod
10/05/2011CN202004406U Lead spacing device for preventing wind-induced vibration of high voltage power transmission line
10/05/2011CN202004405U Overhead power transmission line conductor parallel-connection cable clamp
10/05/2011CN202004404U Corona resistant suspension clamp
10/05/2011CN202004403U Inclined-type suspension wire clamp
10/05/2011CN202004402U Aluminum alloy wedge-shaped strain clamp
10/05/2011CN202004401U Anti-freezing strain clamp for hollow expanded conductor
10/05/2011CN202004400U Cable terminal support arrangement structure
10/05/2011CN202004377U Four-bundle conductor walking mechanism
10/05/2011CN202004374U Snow pressure prevention protective cover for power transmission line
10/05/2011CN1909120B Helical bracket manufacturing method
10/05/2011CN102210076A Multi-response vibration damper assembly
10/05/2011CN102208792A System debug method of movable type direct current ice melting apparatus based on gate turn-off (GTO) device
10/05/2011CN102208791A Defroster for high-tension transmission line
10/05/2011CN102208790A Anti-icing and deicing method for power line by using airbag anti-icing protective belt
1 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ... 70