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WO/2007/071075 |
A self-blast circuit breaker (1) has an arcing chamber (5), an inner arcing contact (3), an outer arcing contact (2) and an insulating nozzle (12). The insulating nozzle (12) has a cross-sectional area which is variable depending on a ga...
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WO/2007/068218 |
In order to form a vacuum interrupter having a tubular insulating body and a contact system comprising a moving contact and a fixed contact, which are each connected to power supply bolts, which are passed out of the vacuum interrupter i...
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WO/2007/069686 |
[PROBLEMS] To solve a problem that, when an adjusting nut is rotated in such a state that an adjusting screw and the adjusting nut are screwed together resulting in collision of thread grooves against microspikes during sliding between t...
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WO/2007/068686 |
Disclosed is an electric switchgear (1) comprising a housing (2) which surrounds an interrupter unit (3). Post insulators (7, 8) are provided so as to support the interrupter unit (3) in an insulated manner. The post insulators are fitte...
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WO/2007/070700 |
A method for detecting a high pressure condition within a high voltage vacuum device (402) includes detecting the position of a movable structure such as a bellows or flexible diaphragm (412) . The position at high pressures can be detec...
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WO/2007/070700 |
A method for detecting a high pressure condition within a high voltage vacuum device (402) includes detecting the position of a movable structure such as a bellows or flexible diaphragm (412) . The position at high pressures can be detec...
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WO/2007/068693 |
According to the invention, a load interrupter for an encapsulated, gas-insulated switchgear comprising at least one contact system with a fixed contact arrangement and a moving contact arrangement and a permanent magnet system provided ...
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WO/2007/064535 |
An electromagnetic actuator (100) is capable of providing a high speed driving force, for example, for driving the contacts of a circuit breaker or similar power distribution equipment. The electromagnetic actuator may use a directly pow...
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WO/2007/063004 |
Method for handling of high-voltage dielectric elements, as well as a high-voltage dielectric element. High-voltage dielectric elements (1, 1a) are subjected to heat treatment before being fitted in an electrical installation, with the s...
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WO/2007/055830 |
A circuit interrupting device is manufacturable in a number of different configurations providing current path options, conductor connectivity options and sensing options. The device may include a configurable solid insulation housing in...
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WO/2007/055830 |
A circuit interrupting device is manufacturable in a number of different configurations providing current path options, conductor connectivity options and sensing options. The device may include a configurable solid insulation housing in...
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WO/2007/056619 |
Insulated vacuum switchgear and active switchgear elements therefor are provided with a rigid support structure mechanically isolating a vacuum insulator from axial loads in use without reinforcing or insulating encapsulations. At least ...
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WO/2007/051436 |
Um ein Vakuumisoliertes Schaltgerät mit einem geerdeten Vakuumgefäß und einem Kontaktsystem aus einem Festkontakt und einem Bewegkontakt, welche jeweils durch vakuumdichte, zum Gehäuse isolierende Durchführungen mit elektrischen Ans...
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WO/2007/051320 |
A self-blowing switch (1) has, in addition to a quenching chamber (5), an intermediate chamber (6), into which gas heated by an arc (16) flows when the switch (1) is interrupted. No gas heated by the arc (16) flows into the quenching cha...
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WO/2007/051778 |
The invention relates to a current interrupter device (1) filled with a dielectric fluid (3) comprising a mobile assembly (10) that axially moves between a starting position and a final position of operation of opening the circuit-breake...
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WO/2007/049920 |
An electromagnetic force driving actuator and a circuit breaker using the same is disclosed. The actuator comprises a casing that forms two paths having a certain length in longitudinal direction, and forms a middle wall by the two paths...
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WO/2007/045635 |
The invention relates to a seal which enables a device, such as a vacuum tube, to be mounted and removed relatively simply and easily, such as to ensure the high dielectric performance of the device. The internal and external contact sur...
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WO/2007/045653 |
The inventive electric switching device arrangement (1) comprises a switching section (2) consisting of at least one first and one second switching points (2a, 2b) which are electrically in-series connected by a conductor section (5) use...
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WO/2007/040990 |
A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic wave guide, then listening for the refl...
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WO/2007/041002 |
A gas insulated electrical switchgear with an optical voltage sensor (46) positioned across from a conductor (10) for sensing a second voltage related to a first voltage. At least one conductive element (40 or 42) encircles the one condu...
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WO/2007/031202 |
The invention relates to a vacuum interrupter chamber having an insulating ceramic wall, within which contact pieces which move in a vacuum are arranged and are surrounded by a screen between the contact piece and the interrupter chamber...
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WO/2007/031040 |
In order to design a vacuum interrupter (1, 1’) having a housing (2), a first contact system (19, 22, 31, 34), which comprises a movable contact piece (19, 34) and a fixed contact piece (22, 31), and a second contact system (11, 16) co...
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WO/2007/032344 |
[PROBLEMS] To provide a gas-insulated switching device which employs an alternative gas to SF6 as the insulation gas, and shows little environmental load, high insulation resistance and excellent gas circuit-breaking performance. [MEANS ...
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WO/2007/022931 |
The invention relates to a method for producing circuit-breaker parts and plastic components for low, medium and high-voltage switching stations and to a corresponding circuit-breaker part, produced in accordance with patent claims 1 and...
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WO/2007/023113 |
Disclosed is an insulating element for a medium-voltage switchgear comprising a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in said insulating element. The insulating element supports a first contact p...
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WO/2007/016882 |
In order to provide a holding apparatus (9) for holding an interrupter (6) in a supporting frame (2) of a switch pole (1) with a holding section (20), which has a through-opening (22) and is designed to bear against a front face of the i...
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WO/2007/016881 |
In order to provide a switch pole (1) for interrupting an alternating electrical current with a supporting frame (2), which is manufactured from an insulating material, and an interrupter (6), which extends in a longitudinal direction wi...
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WO/2007/016797 |
The invention relates to a self-blast circuit breaker wherein the inner contact (3) is provided with a control body (9), running into or against the outer contact (2). The control body (9) forces the arc into an arc zone (10) in the form...
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WO/2007/014865 |
Electrical switchgear, e.g. a circuit breaker, must in general provide good dielectric strength in open position in order to avoid discharge. To improve the dielectric strength capacitors are often arranged in parallel between the contac...
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WO/2007/010608 |
A breaker having a shaft (9), an operation arm (7), and an electromagnetic operation means (10). The shaft (9) is provided pivotable about an axis (91). The operation arm (7) is pivotally connected by a first connection section to the sh...
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WO/2007/006835 |
The invention relates to a sectionaliser which can be opened and which enables the rest of the sectionalisers associated with a sectioning group to be opened by means of a radio signal, without said sectionalisers having to be mechanical...
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WO/2007/006686 |
The invention relates to an electrical switchgear (1) comprising a first switching point (2) and a second switching point (3). The first switching point (2) is arranged inside an evacuated region. The second switching point (3) is arrang...
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WO/2007/003727 |
The invention relates to a vacuum bulb for an electrical protection apparatus, such as a switch or a circuit breaker. The inventive bulb comprises at least three screens (8, 9, 10) including a mid-potential screen (9) which is mounted be...
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WO/2006/131442 |
A drive arrangement with a drive device (4, 4a, 4b, 4c) is connected via a connecting element (5, 5c, 5d, 5e) to a number of moving contact makers (3a, 3b, 3c) of a number of switch poles (1a, 1b, 1c) of an electrical switchgear. The dri...
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WO/2006/131476 |
The invention relates to a contact arrangement for a vacuum switch comprising cup-shaped contacts (1), which are movable one after another in a longitudinal direction and provided with slots (6) for producing a radial magnetic field, a c...
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WO/2006/118961 |
A device (100) includes an actuator (170) and a connecting member (174). The actuator (170) is structured to physically contact a switch ( 130), the switch (130) is structured to open and close an electrically conductive path when an ext...
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WO/2006/115458 |
The present invention relates to a device for reduction of the voltage derivative for an electrical component (2) connected to an electric conductor (6) via an electric bushing (1) . The device is intended to protect an electrical compon...
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WO/2006/114214 |
The invention relates to a load-break switch with a main contact point and an arc rupture contact point, the main contact point being opened upstream of the arc rupture contact point for disconnection and being closed downstream of the a...
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WO/2006/111338 |
The invention relates to a load disconnecting circuit with a housing that has a first housing section, which houses the drive, and has a second housing section, which houses a fixed contact element and a longitudinally extended moving co...
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WO/2006/111338 |
The invention relates to a load disconnecting circuit with a housing that has a first housing section, which houses the drive, and has a second housing section, which houses a fixed contact element and a longitudinally extended moving co...
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WO/2006/103053 |
The invention relates to medium-voltage or high-voltage switchgear for outdoor applications, in accordance with the preamble to claim 1. The aim of the invention is to permit the use of plastic parts as insulation elements, whilst provid...
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WO/2006/097412 |
The invention relates to an electric supply circuit for a switch actuating device comprising an actuator (12), an electromagnetic drive (14) for displacing the actuator (12) from a first switching position to a second switching position,...
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WO/2006/097452 |
The invention relates to a magnetic actuating device comprising a reference element (1), an adjusting element (3) which is movably arranged between first and second end positions with respect to the reference element (1), wherein said re...
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WO/2006/097457 |
The invention relates to a device (1) for switching electric alternating current comprising an extinguishing contact assembly (2) for putting the device (1) under current and for extinguishing an electric arc occurring during switching o...
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WO/2006/096508 |
A timer control apparatus for use in an appliance is provided. The timer control apparatus includes a timer having a timing motor, a user interface including a setting indicator and option switches, and a delay circuit associated with th...
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WO/2006/092380 |
The invention relates to a device (1) for interrupting an electrical alternating current, which is driven by a high voltage, with contact pieces (5, 6) that are connected to conductors (4, 7, 9, 10) and placed inside a contact housing. T...
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WO/2006/087372 |
A switching resistor (7) for an electric switching device (1) comprises an electrically conductive high-resistivity material (9) based on synthetic material.
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WO/2006/084398 |
The switch cabinet is embodied for a gas-insulated high-voltage breaker and comprises an axially-symmetrical housing (1) and a contact arrangement (2) with two switch pieces (3, 4), mounted in the housing (1) of which at least one (3) is...
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WO/2006/084401 |
The terminal is for a multi-phase high voltage breaker with individual phase encapsulation, and comprises an encapsulation tube (10), an active piece (40), arranged along the tube axis (42) and at least one plug connector (30). Said plug...
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WO/2006/081697 |
The invention relates to an electric circuit-breaker (1) with a movable insulator nozzle (4) for arc blasting. According to the invention, the insulator nozzle (4) is positively and non-positively connected without screwing to at least o...
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