Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
10/1996
10/24/1996DE19519721C1 Circuit-breaker with fixed and moving contact with drive monitored by light barrier
10/23/1996CN2238480Y Vacuum arc-extinguishing chamber
10/23/1996CN2238479Y Testing device for vacuum break
10/22/1996US5567924 Circuit breaker with parallel resistor
10/22/1996US5567923 Puffer circuit-breaker having a pneumatically-locked semi-moving piston
10/17/1996WO1996032734A1 Improvements in and relating to permanent magnet bistable actuators
10/16/1996EP0737993A1 Hybrid break device for high tension
10/16/1996CN2237888Y High-voltage indoor air compressed load switch
10/16/1996CN1133416A Vacuum valve and vacuum breaker adapting it
10/10/1996DE19513638A1 HV power switch with control cabinet
10/09/1996CN1132921A Cylindrical coil and contact support for vacuum in terrupter
10/08/1996US5563459 Apparatus for controlling opening and closing timings of a switching device in an electric power system
10/08/1996US5563389 High-voltage power switch
10/03/1996WO1996030922A1 On-load tap changer of a step switch
10/02/1996EP0735558A1 Bistable indicator device for signalling a pressure drop of a gas in an enclosure
10/02/1996EP0735555A2 High-voltage circuit breaker
10/02/1996EP0734580A1 High-voltage power switch with a field electrode
10/01/1996US5561280 Compressed gas-blast circuit breaker
10/01/1996CA2095896C Perpendicularly opening grounding switch
09/1996
09/26/1996WO1996029719A1 Vacuum interrupter tube with a metal cap forming part of the housing
09/26/1996WO1996029718A1 Vacuum interrupter
09/26/1996DE19524636C1 Multi-phase HV switch
09/26/1996DE19512222A1 HV load switch with common operating drive
09/26/1996DE19510100A1 Elastically deformable resistor esp. for limiting or switching current
09/25/1996EP0734035A1 Self-blast circuit breaker with rotating arc
09/24/1996US5559719 Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems
09/24/1996US5559426 Synchronous contactor
09/24/1996US5558915 High-voltage installation
09/19/1996DE19522581C1 High voltage pressurised gas switch
09/19/1996DE19510849A1 Vakuumschaltröhre mit einer Metallkappe als Gehäuseteil Vacuum switch tube with a metal cap as a housing part
09/19/1996DE19508808C1 Mechanisches UND-Glied zur gegenseitigen Verriegelung von Leistungsschaltern Mechanical AND gate for interlocking of circuit breakers
09/17/1996US5557083 Vacuum circuit breaker and electric contact
09/12/1996WO1996027890A1 Mechanical and-member for mutually locking power switches
09/12/1996DE4446672A1 Vacuum switch contact arrangement for medium- to high-voltage equipment
09/12/1996DE19509714A1 Vacuum circuit-breaker switch contact arrangement for medium to high voltages
09/11/1996EP0731482A2 Circuit breaker
09/11/1996EP0731481A1 Load break disconnecting switch auto-locked in a closed position of the extinguishing chambers
09/11/1996EP0731479A2 Improved flexible connector for a circuit breaker
09/11/1996EP0731478A2 Contact electrode for vacuum interrupter
09/11/1996CN1130797A Vacuum electrical switch
09/10/1996US5554963 For mounting on printed circuit boards
09/06/1996WO1996027204A1 Stored-energy mechanism for a high-voltage circuit-breaker pole filled with an insulating gas
09/05/1996DE19508763A1 Monitoring arrangement for power switching device
09/04/1996EP0729638A1 Electrical gas-blast switch
09/04/1996EP0729637A1 Electrical gas-blast switch
09/04/1996CN2234650Y Vacuum load switch with quartz sand drop-down fuse
08/1996
08/22/1996DE19508770C1 Speicherantrieb für einen mit Isoliergas gefüllten Hochspannungs-Leistungsschalterpol Memory drive for a filled with insulating high-voltage power circuit breaker
08/22/1996DE19505370A1 Electrical power connection for vacuum switch
08/21/1996CN1129345A Circuit breaker operating mechanism
08/21/1996CN1129344A High-voltage arcless circuit-breaker
08/15/1996WO1996024856A1 Measuring system for enclosed high-voltage switchgear
08/14/1996EP0726630A1 Method and device for determining the density of an insulating gas in an electrical apparatus
08/14/1996CN1128894A Security protection mechanism for disjoint of three working position load switch
08/14/1996CN1128893A Transient restoring voltage control method, and gas insulation switch used in this method
08/14/1996CN1128892A Pressure gas switch
08/09/1996CA2169013A1 Process and means for determining the isolation gas density of an electric apparatus
08/08/1996WO1996024148A1 Shielding element that surrounds the contacts of a vacuum switch
08/08/1996DE19519168C1 Electrical load isolating-switch with fuse
08/08/1996DE19504731C1 Meßsystem für gekapselte Hochspannungsschaltanlagen Measurement system for encapsulated high-voltage switchgear
08/08/1996DE19503347A1 Die Kontaktstelle eines Vakuumschalters umgebendes Abschirmelement The contact point of a vacuum interrupter surrounding shielding
08/06/1996US5543598 Switch having a vacuum interrupter
08/06/1996US5543597 Grounding switch gear device
08/06/1996CA2065509C Disconnecting switch with improved breaking capacity in particular a vertical opening disconnect switch
08/06/1996CA2051564C Junction box with protection function to protect from overvoltage and overcurrent
07/1996
07/31/1996CN1032454C Sulfur hexafluoride isolating breaker
07/30/1996US5541378 Drive device for a power switch
07/25/1996DE19510850C1 Vacuum switch tube for low voltage protection
07/25/1996DE19503661A1 Vacuum switch contact arrangement
07/24/1996CN1127416A A positive charge indicator for high ampere-rated circuit breaker operating speakers
07/23/1996US5537858 System for the nonintrusive monitoring of electrical circuit breaker vessel pressure
07/23/1996CA2091321C Inertia switch
07/23/1996CA2069185C Means for incorporating a varistor in a high voltage circuit-breaker
07/23/1996CA2037119C Varistor assisted circuit breaker
07/18/1996WO1996021961A1 Arrangement of coupler bays in sealed medium voltage switching systems
07/18/1996DE19502063A1 Three-way switch for gas-encapsulated MV switch appts.
07/17/1996EP0721650A1 Bistable magnetic actuator
07/11/1996WO1996021234A1 High-voltage circuit breaker
07/11/1996DE4447441A1 Commutation and extinction system for electric railway DC supply
07/11/1996DE4447439A1 Commutation and extinction system for electric railway DC supply
07/10/1996EP0721197A1 Circuit breaker with two interrupting units per phase
07/10/1996EP0720775A1 Gas pressure switch
07/10/1996EP0720772A1 Power switch with an arc quenching device
07/10/1996CN1126385A Metallgekapselte gasisolierte schaltanlage
07/10/1996CN1126363A Gas insulated circuit breaker
07/09/1996US5534858 Poletop switch automation system
07/09/1996US5534832 Switch
07/09/1996US5534673 Electric high-voltage circuit breaker
07/04/1996WO1996020491A1 Vacuum switch
07/04/1996WO1996020489A1 Process and circuit arrangement for a commutation and turning-off system of a quick make-and-break
07/04/1996DE19510809C1 Load switching device for stepping switch
07/03/1996EP0662240B1 Vacuum-type circuit breaker with connection terminals
07/03/1996CN1125996A Switching device
07/02/1996US5532638 Superconducting energy storage apparatus
06/1996
06/26/1996EP0718940A2 Gas insulated device, especially switchgear or bus line
06/26/1996EP0718860A2 Vacuum valve and vacuum circuit breaker utilizing said vacuum valve
06/26/1996CN1125434A Process for producing a gastight soldered joint and use of the process in the production of components with a vacuum-tight casing
06/26/1996CN1125354A Insulation gas filled circuit breaker
06/26/1996CN1125353A Medium voltage switch or circuit breaker
06/25/1996US5530216 Flexible connector for a circuit breaker
06/25/1996CA2074433C High-and medium-voltage circuit breaker with blowout gas
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