Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
06/2006
06/07/2006EP1665314A1 Medium voltage vacuum circuit interrupter
06/07/2006CN2786767Y Total seal type pole post of vacuum breaker
06/07/2006CN2786766Y Three-phase common box type breaker
06/07/2006CN1784757A Electromagnetic actuator
06/07/2006CN1783385A Blocking device
06/07/2006CN1783384A Switch device
06/07/2006CN1783382A Method and device for interlocking
06/07/2006CN1258848C Gas-insulated switching device
06/07/2006CN1258791C Vacuum circuit breaker and electrode
06/07/2006CN1258789C Rotary operation device for switch
06/01/2006DE10221576B4 Elektrisches Schaltgerät mit einer Kühleinrichtung Electrical switching device with a cooling device
06/01/2006CA2489034A1 High voltage disconnecting switch control
05/2006
05/31/2006EP1662532A1 Operating unit for switchgear
05/31/2006EP1514287B1 Shorting switch and system to eliminate arcing faults in power distribution equipment
05/31/2006CN2785129Y Protecting equipment of breaker contact system
05/31/2006CN1258201C Insulated operating rod and its manufacturing method
05/30/2006US7053625 Method and apparatus for detecting wear in components of high voltage electrical equipment
05/30/2006US7053327 Apparatus and method for use in circuit interrupters
05/30/2006US7053326 Integrated type gas-insulated switching apparatus
05/30/2006US7053324 Switching mechanism for a manual motor starter
05/30/2006US7053321 Apparatus operating an isolation switch in coordination with a circuit breaker
05/30/2006US7052768 Solid insulator and method for manufacturing a solid insulator
05/25/2006US20060108876 Automatic lighting for input keys of device in unlit area
05/24/2006CN2783524Y Bidirectional buffer for operation mechanism of breaker
05/24/2006CN2783523Y Spring executing mechanism for domestic high voltage breaker
05/24/2006CN2783522Y Jumping proof device for vacuum arc extinguishing chamber
05/24/2006CN2783521Y Domestic ac high voltage closed load switch
05/24/2006CN2783508Y Combined electricity distribution protector with interlocking mechanism
05/24/2006CN1776855A Electrode, electrical contact and method of manufacturing the same
05/24/2006CN1776854A Breaker of large-capacity vacuum short-cut current
05/24/2006CN1776849A Method for making high-voltage four-position load switch of sulfur hexafluo ride
05/23/2006US7049532 Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts
05/18/2006US20060102594 Electrode, electrical contact and method of manufacturing the same
05/18/2006US20060102593 Circuit breaker with arc gas propelled movable contact and opposed arc cutoff shutters
05/17/2006EP1537425A4 Method and apparatus for detecting wear in components of high voltage electrical equipment
05/17/2006EP1471553B1 Air circuit breaker
05/17/2006EP0983601B1 Rotation-activated circuit-breaker with a leading auxiliary switch
05/17/2006CN2781546Y High-voltage double power supple selfpoperation and mutual operation locking device
05/17/2006CN1256744C Vacuum breaker
05/11/2006WO2006048583A2 Mechanical control device for a switch with three positions and a dead centre
05/11/2006US20060096954 Arc chute and circuit interrupter employing the same
05/11/2006US20060096953 Installation for trasmission of electric power
05/11/2006US20060096856 Shielded encapsulated vacuum interrupter
05/11/2006US20060096846 Contact pad designed for a movable electrical contact of a circuit breaker, movable electrical contact having such a pad and circuit breaker comprising such a contact
05/11/2006DE19832709C5 Hochspannungsleistungsschalter mit einer Unterbrechereinheit High-voltage circuit breaker having an interrupter unit
05/10/2006EP1655751A2 Arc hood and power distribution system including the same
05/10/2006CN2779587Y A/C high voltage vacuum breaker
05/10/2006CN2779586Y Vacuum switch contactor
05/10/2006CN1255831C Fluid pressure driving device for circuit breaker
05/09/2006US7041930 Bellows for use in vacuum capacitor
05/09/2006US7041929 Contact arrangement for a vacuum switch tube
05/09/2006US7041928 Interrupter unit for a high-voltage power switch
05/09/2006CA2216276C On-load tap changer of a step switch
05/04/2006US20060091112 Drive kinematics in a hybrid circuit-breaker
05/04/2006DE4303550B4 Lichtbogenfester Kompaktleistungsschalter Arc-proof molded case circuit breakers
05/04/2006DE10261846B4 Isolierstoffteil für ein elektrisches Hochspannungsgerät sowie Verfahren zu seiner Herstellung Insulating material for an electric high-voltage apparatus, and method for its preparation
05/04/2006DE102004047259B3 Feststoffisolierter Schalterpol mit stirnseitiger Bewegkontaktverbindung Solid-insulated switch pole with frontal Bewegkontaktverbindung
05/03/2006EP1653492A1 Adjustment member and method of its use for circuit interrupters
05/03/2006EP1653491A2 Drive kinematics for a hybrid circuit breaker
05/03/2006CN1767116A Electric switch operation control mode and operation control structure
05/03/2006CN1767115A Dual-fracture surface vertical disjunction extra-high-voltage isolated switch
05/03/2006CN1767114A Four pole multi speed disjunction contact of extra-high-voltage breaker
05/03/2006CN1767113A Extra-high-voltage isolated switch lotus contact
05/03/2006CN1254898C Pull-out breaker
05/03/2006CN1254835C Operating device for breaker
05/03/2006CA2525270A1 Arc hood and power distribution system including the same
05/02/2006US7038912 High-power switchgear with cooling rib arrangement
05/02/2006US7038201 Method and apparatus for determining electrical contact wear
05/02/2006US7038157 Vacuum circuit breaker with coaxial coil for generating an axial magnetic field in the vicinity of the contact members of the circuit breaker
05/02/2006US7036219 Method for manufacturing a high-efficiency thermal conductive base board
04/2006
04/27/2006WO2006043871A1 An apparatus and a method for predicting a fault current
04/27/2006US20060086694 Apparatus and method for use in circuit interrupters
04/27/2006US20060086693 Arc extinguisher assembly for mould cased circuit breaker
04/27/2006DE102004050786A1 Kupplungsvorrichtung mit Kühlkörper Coupling device with heat sink
04/27/2006DE102004031089A1 Vakuumschaltkammer sowie Verfahren zur Herstellung derselben Vacuum switching chamber, as well as methods for making same
04/26/2006CN1253909C Automatic air circuit breaker
04/26/2006CN1253908C Mixed breaker with drive unit
04/25/2006US7034242 Arc chute and circuit interrupter employing the same
04/25/2006US7034241 Efficient venting means for a circuit breaker
04/20/2006WO2006021109A8 Arcing chamber and heavy-duty circuit breaker
04/20/2006WO2006021107A8 Heavy-duty circuit breaker having reversed movement
04/20/2006US20060081560 Vacuum circuit breaker, vacuum interrupter, electric contact and method of manufacturing the same
04/19/2006CN2773886Y High-efficient heat-transferring and radiating arc chutes
04/19/2006CN2773885Y Driving mechanism of high-voltage switch
04/19/2006CN2773884Y Series and parallel controllable and capacitor-adjustable arc extinguisher
04/19/2006CN2773883Y Outlet seat assembly of high-voltage isolated switch
04/19/2006CN2773882Y Sliding outlet seat assembly of high-voltage isolated switch
04/19/2006CN1252767C Vacuum switchgear
04/19/2006CN1252766C Method for producing vacuum switch device
04/19/2006CN1252759C Latching mechanism for locking spring energy store device
04/19/2006CN1252758C Permanent-magnet manipulating mechanism
04/18/2006US7029519 System and method for gas recycling incorporating gas-insulated electric device
04/13/2006DE19816592B4 Antriebseinrichtung für Schaltanlagen der Energieversorgung und -verteilung Drive means for switching the power supply and distribution
04/13/2006DE19712346B4 Vorrichtung für die Blockierung der Drehung einer Welle eines elektrischen Antriebs für einen bewegten Kontakt eines Schaltgeräts A device for blocking the rotation of a shaft of an electric drive for a moving contact of a switching device
04/13/2006DE102004031887B3 Schaltkontakt für Vakuumschaltröhren Switch contact for vacuum interrupters
04/13/2006DE102004024094B4 Löschkammer mit Lichtbogenlöschplatten und Verfahren zur Herstellung einer Lichtbogenlöschplatte für eine derartige Löschkammer Quenching chamber with arc plates and method for producing an arc extinguishing plate for such a quenching chamber
04/12/2006EP1644948A1 Circuit breaker for a boat, and power supply and distribution system for a boat, which contains such a circuit breaker
04/12/2006CN2772009Y High-voltage tripolar vacuum contactor
04/12/2006CN2772008Y High-voltage isolator contact terminal-finger device
04/12/2006CN1251377C Container for air isolation switch