Patents
Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099)
12/1986
12/24/1986CN85105582A Grounding switch with a resistor
12/24/1986CN85105180A Disconnecting switch for gas-insulated switchgear
12/17/1986EP0205397A1 Isolating switch for a high-tension gas-insulated metal-clad switchgear
12/03/1986EP0203373A1 Isolating switch
11/1986
11/20/1986EP0202192A1 Pressurized gas-insulated metal-clad high-voltage installation
11/19/1986CN85103981A Isolating switch, in particular single cylinder-shear switch
11/18/1986US4623767 Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors
11/05/1986CN86100367A Break switch
10/1986
10/29/1986EP0199044A2 Enclosed on-load switch
10/22/1986EP0198506A2 Air-break switchgear for high-tension circuits
10/22/1986CN86102745A Switchgear
10/21/1986US4618752 Gas-insulated interrupter
08/1986
08/27/1986EP0191927A1 Multiposition threepole disconnecting switch, particularly for pressure gas insulated metal clad high-voltage switch installations
08/12/1986CA1209624A1 Electric circuit interrupter and associated mounting
06/1986
06/24/1986US4596911 Combined device for on-load breaking and visible isolation of an electric circuit
06/10/1986CA1205860A1 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current
05/1986
05/27/1986US4591680 Isolating switch
05/20/1986US4590343 Knife blade and clip contact arrangement
04/1986
04/08/1986CA1203001A1 Electrical cutout
03/1986
03/25/1986US4578550 Electrical, medium voltage, switching mechanism
03/05/1986CN85201688U Electrical interlocking apparatus used between the highvoltage isolation switch and high voltage break
02/1986
02/11/1986US4570042 Gas-insulated switching apparatus
02/04/1986US4568808 Telescopic isolating switch
01/1986
01/22/1986EP0168568A2 Isolating switch, in particular a pantograph isolating switch
01/14/1986US4564731 Scissor-type disconnect switch with contact elements having wear-resistant armatures
01/08/1986EP0166844A1 Tap selector with cranked shaft
12/1985
12/17/1985US4559424 Disconnect switch for high-voltage switching installation
11/1985
11/26/1985US4555603 Grounding switch
11/13/1985EP0161120A1 Combination for load break and visible disconnection of an electrical circuit
11/13/1985EP0160796A1 Switch arrangement
10/1985
10/22/1985US4549132 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current
10/08/1985US4546341 Electrical cutout having a linkbreak lever
10/02/1985EP0156171A2 Counter-contact system for a pantograph isolating switch
10/01/1985CA1194529A1 Apparatus for associating an electrical device with a mounting therefor
09/1985
09/18/1985EP0154908A2 Power line/transformer switch
09/03/1985US4539450 Disconnect switch
09/03/1985US4539449 Disconnect switch
09/03/1985US4539448 Disconnect switch for metal-clad, pressurized-gas insulated, high-voltage switchgear installation
08/1985
08/28/1985EP0152718A1 Isolating switch for metal clad pressurized gas insulated high voltage switch gear
08/20/1985US4536822 Electric circuit interrupter and associated mounting
07/1985
07/31/1985EP0150131A2 Gas-insulated interrupter
07/23/1985CA1190910A1 Winding and unwinding device for flexible rod
07/03/1985EP0147150A2 Electrical Isolators
06/1985
06/26/1985EP0145994A2 Medium voltage switching device
06/25/1985US4525612 Gas insulated switch
06/04/1985US4521654 High voltage disconnect switch employing pre-contact pieces
05/1985
05/21/1985US4518838 Multipole high voltage circuit breaker
04/1985
04/24/1985EP0138743A1 Isolating switch for metal-clad pressurized-gas-insulated high-voltage switch gear
04/23/1985US4513208 Electrical switchgear
04/10/1985EP0136965A1 Isolating switch for a metal-clad pressurized-gas-insulated high-voltage switchgear
04/03/1985EP0135789A2 High-voltage isolating switch, in particular a pantograph isolating switch able to make or break currents
03/1985
03/12/1985US4504708 Disconnect switch
03/05/1985CA1183593A1 Circuit-braker position ultrasound indicator
02/1985
02/19/1985US4500762 Resistor-type disconnecting switch for circuit breaker
02/12/1985CA1182502A1 Mounting for an article which permits movement thereof between inaccessible and accessible positions
01/1985
01/22/1985US4495390 Disconnect switch
12/1984
12/25/1984US4490595 Electric disconnect or grounding switch having a movable switch blade
12/19/1984EP0128377A2 Disconnect switch for a high-voltage switchgear, possibly with SF6 gas insulation
12/04/1984US4486634 Ground test switch for gas insulated switchgear
11/1984
11/20/1984US4484047 Metal encapsulated, pressurized gas insulated high voltage switching apparatus
11/20/1984US4484046 Vacuum load break switch
11/14/1984EP0124681A1 Earthing equipment
11/08/1984WO1984004424A1 Telescopic sectioning device
11/07/1984EP0123941A1 Switch gear for H.T. installations
11/06/1984US4481387 Voltage isolater switch with pivoted contact assemblies
10/1984
10/30/1984US4480245 Electric cutout
10/24/1984EP0122728A1 Gas-insulated switching apparatus
10/24/1984EP0122595A1 Gas insulated switch assembly
10/09/1984US4476361 Disconnect contact assembly
10/03/1984EP0120409A2 Driving gear for operating a rotary disconnect switch
09/1984
09/12/1984EP0118005A1 Multipole high-tension power circuit breaker
09/05/1984EP0117754A2 Electrical switchgear
08/1984
08/01/1984EP0114245A1 Method to protect a disconnected low-voltage network and switching device for carrying out the method
07/1984
07/31/1984US4463227 Mounting for an article which permits movement thereof between inaccessible and accessible positions
06/1984
06/13/1984EP0110005A1 Contact arrangement for a pantograph disconnecting switch
06/12/1984US4453679 Apparatus for winding and unwinding a flexible rod
06/05/1984CA1168680A1 Electric circuit interrupting apparatus
05/1984
05/29/1984US4451910 Ultrasonic position monitor for HV disconnect switch
04/1984
04/24/1984US4445014 High-voltage disconnect switch
04/04/1984EP0104599A2 High tension disconnecting switch with preliminary contacts
03/1984
03/28/1984EP0103758A2 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current
02/1984
02/29/1984EP0101564A2 Isolating switch with pantograph
02/15/1984EP0100510A2 Grounding switch
01/1984
01/24/1984US4427858 Grounding switch
12/1983
12/20/1983US4422062 Apparatus for associating an electrical device with a mounting therefor
11/1983
11/30/1983EP0095106A2 Rotary switch
11/08/1983US4414527 Contact assembly for a fuse cutout
11/08/1983US4414451 Disconnect switch
11/01/1983US4413166 Disconnect switch
10/1983
10/25/1983US4412202 Electric circuit interrupting apparatus
10/25/1983US4412116 Circuit breaker with unitary actuating shaft
09/1983
09/21/1983EP0089309A2 Isolator or earthing switch comprising rotating contact knives
09/14/1983EP0088155A2 Ultrasonic position indicator for an isolating switch
07/1983
07/12/1983CA1149846A1 Electric fuse cutout
06/1983
06/21/1983US4389553 Rotary disconnect switch
04/1983
04/06/1983EP0075922A2 Ground test switch for insulated switchgear
04/05/1983CA1144216A1 Loadbreak arc snuffing device
03/1983
03/22/1983CA1143414A1 High-voltage fuse cutout
02/1983
02/08/1983CA1140970A1 Disconnect switch with blade and jaw-type contact
02/08/1983CA1140969A2 Power driven group operated circuit disconnect apparatus for overhead electric power lines
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