| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
|---|
| 11/10/1992 | US5162627 Medium or high tension circuit breaker having abutting arcing contacts |
| 11/10/1992 | CA1310046C Circuit breaker contact assembly |
| 11/05/1992 | DE4114632A1 Compressed gas arc-extinguishing power switch - has enclosed chamber with release valves subject to spring and magnetic force and opened when gas pressure achieves set level |
| 11/05/1992 | DE4114630A1 High voltage power switch with hydraulic damping for switching=off - uses hydraulic snubber fitted to end of piston rod that operates together with free piston sleeve unit |
| 11/05/1992 | DE4114627A1 Metal encapsulated gas-blast power switch - uses compressed gas for arc-extinguishing, and exhausts through tube to radial orifices directing flow into main housing |
| 11/04/1992 | CN2121065U Transparent double oil cup wet removal with slow flow device |
| 11/04/1992 | CN1018965B Electric circuit breaker with revolving and expanding arc |
| 11/03/1992 | US5160818 Series-arc high tension circuit-breaker |
| 11/03/1992 | US5160817 Electrical switch contact arrangement having quick break arcing contacts |
| 10/29/1992 | WO1992018997A1 Drive for a power switch pole |
| 10/29/1992 | DE4113794A1 Gas pressure power switch with Lorentz force compensator - incorporates current path with two vertical sections for partial compensation of magnetic field in arc region |
| 10/28/1992 | CN1018870B Vacuum circuit breaker |
| 10/27/1992 | US5159164 Gas circuit breaker |
| 10/27/1992 | CA1309443C Low energy consumption high voltage circuit-breaker |
| 10/21/1992 | CN2119711U Hydraulic operating mechanism for high-voltage circuit breaker |
| 10/21/1992 | CN1065546A Arc extinguishing method by shear |
| 10/15/1992 | WO1992017897A1 Dc vacuum relay device |
| 10/15/1992 | DE4111932A1 Nozzle in gas blast circuit breaker - has neck with alternating fluoro:polymer and boron nitride-filled fluoro:polymer layers in outer sleeve and at right angles to breaker axis |
| 10/14/1992 | EP0508160A2 Gas blast circuit breaker |
| 10/14/1992 | EP0508041A1 Switch drive for medium voltage electrical devices |
| 10/14/1992 | CN1018683B High tension circuit breaker including dielectric gas used for blasting |
| 10/13/1992 | US5155315 Hybrid medium voltage circuit breaker |
| 10/13/1992 | US5155314 Medium or high tension circuit breaker having end-to-end arcing contacts |
| 10/13/1992 | US5155313 Medium tension circuit-breaker |
| 10/13/1992 | US5155312 Puffer type gas circuit interrupter |
| 10/07/1992 | EP0507517A2 Power circuit breaker and power resistor |
| 10/06/1992 | US5153804 Hybrid current limiter having superconductor windings |
| 10/06/1992 | US5153803 Contact maker-breaker |
| 10/06/1992 | US5153399 Rotary puffer switch |
| 10/06/1992 | US5153398 Metal-clad, compressed-gas insulated, high-voltage switching station with an insulated grounding switch |
| 10/06/1992 | US5153397 Gas circuit breaker |
| 10/06/1992 | CA2064944A1 Sfg circuit breaker with integrated varistor and condensor |
| 10/06/1992 | CA1308437C Impedance arrangement for limiting transients |
| 10/06/1992 | CA1308433C Arc rotation magnetic blow-coil for an electrical switch contact |
| 09/30/1992 | CN1018490B Gas-blast load-break switch |
| 09/29/1992 | US5151567 Circuit breaker control apparatus |
| 09/29/1992 | US5151566 Gas circuit breaker |
| 09/29/1992 | US5151565 Medium tension circuit breaker |
| 09/23/1992 | CN1064763A Puffer-type gas circuit breaker |
| 09/23/1992 | CN1018404B High or medium tension circuit breaker |
| 09/22/1992 | US5149928 Arc spinner interrupter having contact bounce suppressor |
| 09/22/1992 | US5149362 Contact forming material for a vacuum interrupter |
| 09/22/1992 | US5148913 Operating mechanism of a three-position switch |
| 09/17/1992 | WO1992016001A1 High-voltage electrical switch |
| 09/16/1992 | EP0503556A1 Incremental displacement measuring device for a member in translatory motion, in particular for a circuit breaker actuating rod |
| 09/16/1992 | EP0503223A2 Puffer-type gas circuit breaker |
| 09/15/1992 | US5147981 Low voltage electrical switchgear cabinet |
| 09/15/1992 | CA1307413C Optical waveguide arrangement for a high-voltage insulator |
| 09/14/1992 | CA2062922A1 Device for incrementally measuring the linear displacement of a moving part, particularly a circuit breaker control arm |
| 09/10/1992 | DE4107673A1 Encapsulated multiphase switchgear filled with insulating gas - has earthed isolating walls between conductors and operating gear of individual phases for subdivision into separate chambers |
| 09/10/1992 | DE4107439A1 Cosmetic used for make=up and hair treating compsn. - contains new 2-(1'-cyano-9'-aryl-vinyl)benzimidazole cpd. as UV absorber |
| 09/09/1992 | CN2115577U Bird proof cover for intermediate mechanism of dw8 model multi-oil switch operating case |
| 09/09/1992 | CN1018223B Circuit breaker |
| 09/09/1992 | CN1018222B 断路器 Breaker |
| 09/08/1992 | US5146387 Interrupter having grounded interrupter container within a grounded cover |
| 09/03/1992 | DE4106642A1 Kontaktvorrichtung fuer hochspannungsschalter Contact device for high-voltage switch |
| 09/02/1992 | EP0500550A1 Isolator switch for metal-clad, compressed-gas-insulated high-voltage switchgear. |
| 09/02/1992 | CN2114887U 12.5 ka pole sf6 breaker |
| 09/02/1992 | CN1018106B Gas-breaker made in shape of earth-tank |
| 08/27/1992 | DE4105697A1 Synchronised safety vacuum switching panel with individual magnetic drives - each having control unit deriving signals from movement, drive and load parameters for comparison with reference values |
| 08/26/1992 | EP0499606A1 Three-pole, metal encased, pressurised-gas-insulated high-voltage switchgear. |
| 08/26/1992 | CN1063966A Puffer-type medium or high tension circuit breaker |
| 08/26/1992 | CN1063965A High tension circuit breaker having varistors |
| 08/25/1992 | US5142110 Modified magne-blast circuit breaker and method of modification |
| 08/20/1992 | WO1992014255A1 Compressed gas switch |
| 08/20/1992 | DE4105335A1 Electric contact system for durable multiple switching - includes pre-contact connected to lamina lifted by pressure of counter contact on lamina |
| 08/19/1992 | CN1063724A Novel jumper switch means and method |
| 08/18/1992 | US5140499 Gas-insulated switching device |
| 08/18/1992 | US5140117 Two-link, trip-free mechanism for use in a switch assembly |
| 08/12/1992 | EP0498739A1 Interrupter and change-over switch for high tension arrangement |
| 08/12/1992 | EP0498738A1 High voltage selection switch with lineair movement |
| 08/11/1992 | US5138297 Fused electrical switchgear |
| 08/11/1992 | US5138122 Bi-directional direct current switching apparatus having arc extinguishing chambers alternatively used according to polarity applied to said apparatus |
| 08/06/1992 | DE4103119A1 Druckgasschalter Gas pressure switch |
| 08/04/1992 | US5136451 Current limiter |
| 08/04/1992 | US5134989 Hydraulic breaker |
| 07/29/1992 | EP0496478A2 A line terminal and arc stack for a circuit breaker |
| 07/29/1992 | EP0496212A1 Switch mechanism for an electrical switch |
| 07/28/1992 | US5134542 Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane |
| 07/28/1992 | US5134256 Puffer interrupter switch |
| 07/22/1992 | CN2110920U Isolating switch special for electric brake of water-wheel type generator |
| 07/22/1992 | CN1017578B High tension circuit breaker with low operating energy |
| 07/22/1992 | CN1017577B Vaccum circuit breaker |
| 07/21/1992 | US5132865 Ultra high-speed circuit breaker with galvanic isolation |
| 07/15/1992 | EP0494397A2 Electrical metal-clad switchboard |
| 07/15/1992 | EP0494396A2 Electrical metal-clad switchboard |
| 07/15/1992 | CN1062811A Contact material for vacuum interrupter |
| 07/14/1992 | US5130504 Bi-directional direct current switching apparatus having bifurcated arc runners extending into separate arc extinguishing chambers |
| 07/14/1992 | US5130068 Reducing surface and reacting with copper |
| 07/09/1992 | WO1992011652A1 Compressed gas switch |
| 07/09/1992 | WO1992011651A1 Vacuum switch pole |
| 07/08/1992 | CN1062616A Loadbreak switch with tilt tube |
| 07/07/1992 | US5128605 Monitoring system for step-type switching transformer |
| 07/07/1992 | US5128502 Three-pole, gas-insulated switch arrangement |
| 07/07/1992 | US5128020 For sulfur hexafluoride |
| 07/01/1992 | EP0492551A1 Jumper switch means and method of electrically bypassing an electrolyzer |
| 06/30/1992 | US5126516 Puffer-type medium or high tension circuit breaker |
| 06/25/1992 | WO1992010845A1 Circuits and measurement value receiver for detecting and measuring light sources |
| 06/25/1992 | DE4040902A1 Tilting tube load isolating switch - has double isolating blades between which tubular shape quenching chamber is interposed with moving and fixed contacts of quenching chamber |
| 06/23/1992 | US5124872 High tension circuit breaker having varistors |