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)
11/2014
11/04/2014US8878092 Gas-insulated switchgear
10/2014
10/30/2014US20140319100 Arc energy absorber
10/30/2014US20140319099 Switching device for direct current applications
10/28/2014US8872054 Switch unit and switchgear equipped therewith
10/28/2014US8869393 Contact piece for a vacuum interrupter chamber
10/23/2014US20140312741 High voltage switches having one or more floating conductor layers
10/21/2014US8866486 Device for detecting and locating electric discharges in fluid-insulated electrical equipment
10/16/2014US20140305906 Molded-case circuit breaker
10/14/2014US8861144 Triggered arc flash arrester and switchgear system including the same
10/14/2014US8859927 Vacuum switch having fixed rail terminals on both sides
10/14/2014US8859925 Electric switchgear
10/14/2014US8859924 Gas circuit breaker
10/09/2014WO2014161737A1 Disconnecting switch unit
10/09/2014US20140299578 Gas circuit breaker
10/09/2014DE102013205945A1 Trennschalteinrichtung Disconnecting switch device
10/09/2014DE102013005746A1 Antriebsvorrichtung für einen Leistungsschalter einer Mittel- oder Hochspannungsschaltanlage Drive device for a circuit breaker of a medium or high voltage switchgear
10/09/2014DE102013005621A1 Verriegelungsvorrichtung für einen hydromechanischen Federspeicherantrieb einer gasisolierten Schaltanlage Locking device for a hydro-mechanical spring operating mechanism of a gas insulated switchgear
10/08/2014EP2787520A1 Vacuum chamber with a one-piece metallic cover for self-centering
10/08/2014EP2786393A1 High power electrical switching device
10/08/2014EP2786392A1 Driving rod for medium voltage switching element gear
10/08/2014EP2786386A1 Charging assembly with over rotation control and electrical switching apparatus employing same
10/08/2014EP2786383A1 Electromagnetic actuator
10/02/2014WO2014155443A1 Circuit breaker
10/02/2014WO2014155442A1 Circuit breaker
10/02/2014WO2014154372A1 Electric switching system
10/02/2014WO2014154292A1 A switch assembly, a switching device comprising a switch assembly, a switchgear comprising a switching device and a method for cooling
10/02/2014WO2014154286A1 A knife switch, a switching device comprising a knife switch and a switchgear
10/02/2014WO2014154260A1 Circuit breaking arrangement
10/02/2014US20140291292 Circuit Breaker With Fluid Injection
10/02/2014US20140291291 Circuit Breaker With Fluid Injection
10/01/2014EP2784886A1 Gas-insulated device for electrical use
09/2014
09/30/2014US8848344 Solid insulated switchgear
09/30/2014US8847097 Vacuum interrupter
09/30/2014US8847095 High-voltage switching device
09/30/2014US8844913 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof
09/25/2014WO2014147831A1 Tool for mounting an object to be mounted
09/25/2014WO2014146900A1 Method for producing a component of a vacuum interrupter
09/25/2014WO2014146678A1 Magnetic actuating device for a current switching device
09/25/2014DE102013204775A1 Verfahren zum Erzeugen eines Bauteils einer Vakuumschaltröhre A method of generating a component of a vacuum switch tube
09/24/2014EP2780924A1 Vacuum switch and electrode assembly therefor
09/24/2014EP2780923A1 Hvdc hybrid circuit breaker with snubber circuit
09/24/2014EP2780922A1 An interlocking mechanism for switching devices
09/23/2014US8842421 Arc-resistant switchgear enclosure with latch for vent flap
09/23/2014US8842407 Medium voltage circuit breaker
09/23/2014US8841572 Switch device and connector
09/23/2014CA2551839C Switch mechanisms for safe activation of energy on an electrosurgical instrument
09/18/2014WO2014142974A1 Direct current circuit breaker methods and systems
09/18/2014WO2014141901A1 Solenoid-operated device
09/18/2014US20140268468 Direct current breaker and electrical power system comprising such direct current breaker
09/18/2014US20140263189 Circuit interruption device with constrictive arc extinguishing feature
09/18/2014US20140263188 Arc chamber for bi-directional dc
09/18/2014US20140263187 Gas-insulated device for electrical power and operation method thereof
09/18/2014US20140263186 Switch for direct current operation having at least one circuit breaker chamber
09/18/2014DE112012005206T5 Leistungsschalter mit Fluideinspritzung Circuit breaker with fluid injection
09/17/2014EP2779195A1 Gas-insulated device for electrical power and operation method thereof
09/17/2014EP2777059A1 Hybrid dc circuit breaking device
09/16/2014US8837093 Circuit arrangement and method for interrupting a current flow in a DC current path
09/16/2014US8836173 Domestic appliance having automatic switch-off
09/16/2014US8835791 Pushrod assembly for circuit breaker
09/16/2014US8835790 Winding for a contact of a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker and vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker
09/12/2014WO2014136513A1 Gas blast circuit breaker
09/12/2014WO2014136297A1 Vacuum valve
09/12/2014WO2014136262A1 Operation device for switches
09/11/2014US20140253264 Circuit breaker slot motor
09/11/2014US20140251959 Arc Shield
09/11/2014US20140251958 Vacuum interrupter
09/11/2014US20140251957 Arrangement comprising a circuit breaker unit
09/10/2014EP2774159A1 Electrical appliance comprising means for limiting the formation of an electric arc
09/09/2014US8829739 Power converter for vehicle
09/09/2014US8829381 High interrupting rating molded case circuit breaker
09/09/2014US8829371 High-voltage arrangement
09/04/2014US20140246404 Fast closing mechanism
09/04/2014US20140246403 Switching system
09/04/2014DE112012005201T5 Leistungsschalter mit Fluideinspritzung Circuit breaker with fluid injection
09/04/2014DE102013203557A1 Verfahren zur Erzeugung einer Relativbewegung sowie Vorrichtung zur Durchführung des Verfahrens A process for producing a relative movement as well as apparatus for carrying out the method
09/03/2014EP2771898A1 Direct current breaker and electrical power system comprising such direct current breaker
09/03/2014EP2771897A1 Cutting chamber provided with a tube for limiting the impact of the particle generation, and electrical cutting apparatus provided with such a cutting chamber
09/02/2014US8822870 Dielectric insulation medium
09/02/2014US8822869 Switching mechanism for gas insulated switchgear
09/02/2014US8822868 Gas-insulated high-voltage power circuit breaker
09/02/2014US8822867 Gas insulated switchgear
08/2014
08/28/2014DE112012003991T5 Vorwähler mit Lichtbogenlöschung im Vakuum Selection with arc quenching in vacuum
08/27/2014EP2770519A1 Gas circuit breaker
08/27/2014EP2769397A1 Pressurized-gas circuit breaker capable of being assembled and disassembled without gas loss
08/26/2014US8817444 Control arrangement
08/26/2014US8816666 Semiconductor switching device drive circuit using a limited drive voltage
08/26/2014US8816237 Interrupting chamber for high-voltage circuit breaker with improved arc blow-out
08/26/2014CA2751689C Gas insulated apparatus
08/21/2014WO2014124713A1 Circuit interruption device
08/21/2014US20140231391 Switchgear operating mechanism and switchgear
08/21/2014DE102012215479B4 Verfahren zum Schließen eines Schalters und Schalter zur Durchführung des Verfahrens A method of closing a switch, and switches for performing the method
08/21/2014DE102010041728B4 Magneto-mechanischer Aktor, Schaltanordnung und Verfahren zum Betrieb eines magneto-mechanischen Aktors Magneto-mechanical actuator, the switching arrangement and method of operating a magneto-mechanical actuator
08/20/2014EP2768102A1 Circuit interruption device
08/20/2014EP2766914A1 Switching device
08/19/2014US8809719 Switch device and connector
08/19/2014CA2726065C A dc current breaker
08/14/2014WO2014122084A1 Contact arrangement and electrical switching device with such contact arrangement
08/14/2014US20140224772 Circuit breaker
08/14/2014US20140224771 Current Interrupter for High Voltage Switches
08/14/2014US20140224770 High voltage gas circuit breaker gas density monitoring system
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