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WO/2012/014282 |
Disclosed is a phase control switchgear wherein it is possible to inhibit the generation of transient voltages and currents when the phase advancing load circuit is being closed. Specifically disclosed is a phase control switchgear provi...
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WO/2012/013442 |
The invention relates to a terminal assembly (1) for a power switch (11) for electrical contact to terminal points which are designed to receive electrical lines. The invention is characterized in that the terminal assembly (1) is arrang...
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WO/2012/011259 |
A light-guiding sheet has a film-shaped light transmissive base material, a plurality of light-emitting portions formed on the base material, and a light transmissive light-guiding layer covering the plurality of light-emitting portions....
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WO/2012/012331 |
A normally-open pushbutton switch is coupled to and cooperates with a pair of MOSFETs to provide a power on switch function for a personal audio device that does not require power to be drawn from a power source to monitor the pushbutton...
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WO/2012/010227 |
The present invention relates to a unidirectionally switching direct-current contactor, comprising a twin break having two contact points, which each have a fixed contact and a movable contact, wherein the movable contacts are arranged o...
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WO/2012/007436 |
The invention relates to a method for detecting a switching position of a switching device comprising at least one switching element (SE1, SE2), wherein the respective switching position of the switching element is represented by a value...
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WO/2012/007494 |
What is specified is: an overcurrent switch (1a.. 1c), which comprises a first input (2) and a first output (3) and a first current path, which connects the first input (2) to the first output (3). In addition, an electronic switch (4), ...
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WO/2012/007997 |
The present invention relates to a switch device (100) for use in hand-held power tools. The switch device (100) may include at least one chamber (102) whose interior serves as an accommodation space. The chamber (102) may partially enca...
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WO/2012/008629 |
The present invention relates to a debounce switching element incorporating a debounce circuit, wherein the switching element comprises a button; a leaf spring provided below the button; a debounce circuit for electrically eliminating bo...
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WO/2012/003864 |
A pre-selector of a tap changer is provided with an operating arrangement, which provide varying speed for the movable contact of the pre-selector. The arrangement is provided in a cylindrical tap changer (10) that includes a cylinder (2...
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WO/2012/004651 |
The present invention relates to an improved arc chamber/chute assembly in a circuit breaker for effective channelization of hot ionized gases through said arc chamber to enhance breaking capacity in circuit breakers. The assembly compri...
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WO/2012/003863 |
A vertical tap changer of the type that comprises a cylinder with a rotatable shaft. The vertically arranged cylinder (2) is insulated and provided with contact elements (12), a the switching shaft (3) extends in the axial direction of t...
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WO/2012/003193 |
An interrupter includes at least four pairs of contacts (127 a-d). Each pair of contacts includes a stationary contact (128 a-d) positioned to abut a corresponding moveable contact (129 a-d). The moveable contacts are coupled to a rotati...
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WO/2011/160743 |
The invention relates to a tap changer (10) for switching among at least two winding taps (12, 14) of a step transformer (16) without interruption, wherein a load branch having a path (18) comprising a series arrangement of at least one ...
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WO/2011/157825 |
The invention relates to an electrical circuit breaker comprising an arc formation chamber and an arc extinguishing chamber, the arc formation chamber being at least partially bounded by a side flange or at least a part of a side wall co...
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WO/2011/157317 |
The invention relates to a tap changer (10) for switching among at least two winding taps (12, 14) of a step transformer (16) without interruption. The tap changer (10) has a load branch having at least two parallel paths (18, 20), each ...
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WO/2011/157318 |
The invention relates to a tap changer (10) for switching among at least two winding taps (12, 14) of a step transformer (16) without interruption, comprising at least one mechanical switching element (MTF, TTF, 32) and at least one vacu...
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WO/2011/157316 |
The present invention relates to an on-load tap changer for switching among winding taps of a step transformer without interruption. The general inventive concept lies in connecting a first winding tap of a first main current branch to a...
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WO/2011/156339 |
Retrofit kit, circuitry and method are provided for reconfiguring a tap changer (18). The retrofit kit may be used to retrofit a tap changer having contacts (15) subject to electrical arcing so that when the kit is installed such contact...
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WO/2011/154380 |
The invention relates to a switch (1) suitable for DC applications comprising two fixed conductive contacts (2) with first contact areas (21, 22), a movable conductive bridge (3) with two second contact areas (31, 32) for being connected...
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WO/2011/151278 |
The mode selector device for an electrical switch actuator comprises a selector, the lever (13) of which allows access to five service positions, including one motorized-actuation free switching state and two limited-switching states, al...
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WO/2011/151668 |
The invention relates to the method of overvoltage protection of direct - current electrical circuits at which in the device for overvoltage protection the current path in the point (X) of intentional cutting off the current path is disc...
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WO/2011/147817 |
The invention relates to an operating device (1) for a vehicle, comprising an operating element (2) that can be actuated by an operator, an electric switch (8) which can be actuated in accordance with the operating element (2) being actu...
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WO/2011/147458 |
The present invention relates to a DC switching device (2) comprising a plurality of arc-extinguishing chambers (50, 50', 51, 51', 52, 52') and a plurality of contacting units (70, 71, 72) conductively connected in series to each other, ...
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WO/2011/141170 |
The invention relates to an installation switching device, in particular a selective circuit breaker, comprising: a housing, which comprises a fastening side, a forward front side and a rear front side, and broad sides and forward and re...
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WO/2011/141078 |
The invention relates to a tap changer for a transformer, consisting of a plurality of mutually parallel, spaced-apart contact bars (2) which are arranged in a circle around a center longitudinal axis (MLA) and a contact arrangement (5) ...
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WO/2011/141081 |
The invention relates to an on-load tap changer for step transformers, which has one main current branch and one auxiliary current branch for each of the two winding taps to be switched. In each main current branch and auxiliary current ...
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WO/2011/141079 |
The invention relates to a switching system for a transformer, consisting of a plurality of mutually parallel, spaced-apart contact bars (2) which are arranged in a circle around a center longitudinal axis (MLA), a switch shaft (3) exten...
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WO/2011/141075 |
The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the loa...
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WO/2011/141082 |
The present invention relates to a load transfer switch for a tap changer, comprising permanent main contacts that switch powerlessly for each phase. The general inventive concept lies in connecting the fixed permanent main contacts of s...
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WO/2011/141077 |
The invention relates to an arrangement, comprising a transformer housing (2) having a housing opening (2.1), a shaft feedthrough (3) arranged in or on the housing opening (2.1) having a shaft (4), and a shaft receptacle (5) that at leas...
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WO/2011/141076 |
The invention relates to an on-load tap changer for switching among winding taps of a step transformer without interruption. According to the invention, in each auxiliary current branch of the on-load tap changer, which operates with vac...
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WO/2011/141080 |
The invention relates to a switching arrangement for a tap changer, comprising a plurality of contact rods (3), which are arranged parallel to each other, at a distance from each other, and in a circular shape around a central longitudin...
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WO/2011/141468 |
The invention relates to a protective covering device (1) for a circuit breaker (2) having a breaker housing (3) and a breaker handle (4) extending from a front surface of the breaker housing (3) and having an ON and OFF position, the pr...
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WO/2011/139611 |
In one embodiment, a system may include an electrical device having an indicator light source, an actuator having a window, a viewing piece arranged to be visible through the window, and a light guide arranged to guide light from the lig...
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WO/2011/138434 |
The invention relates to a current measuring method for switchgear having current paths (L21; L22) connected in parallel. The digital measured values (Ι1'; Ι21'; Ι21'; I3') derived from the path currents (i1; i21; i22; i3) are convert...
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WO/2011/136880 |
Directional indicators on the control buttons of an electrical control for a light dimmer or a motor controller are formed by triangular lines with vertices pointing away from one another and in a direction related to the change initiate...
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WO/2011/134528 |
A selector switch arrangement (1) for a high voltage device comprising a cylindrical current collector (2) made of electrically conductive material and having a first (3) and a second end (4), a movable contact (5) arranged movable along...
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WO/2011/131361 |
The invention relates to an electrical switch (1), in particular for electrical tools, such as drills, hammer drills, impact hammers, hammer chisels, angle grinders, or the like, having a contact system (6) which comprises at least one s...
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WO/2011/131281 |
The invention relates to an electrical installation switching device (10) having a housing, a contact lever (16) and a switch position indication, which is formed from a slide (14) which is guided in the housing such that it can move lon...
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WO/2011/133532 |
A circuit interrupter has a first contact, a second contact movable with respect to the first contact, an arcing chamber, and an arc splitter. The arc splitter is located on a first side of the first contact, as is an arc runner. An elec...
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WO/2011/133473 |
An electric power distribution switch incorporates a stress-reiievi connection structure, a closing guiding structure, a weather shield structure an contact structure.
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WO/2011/128754 |
The invention relates to an electrical cut-off device (1) with a single cut-off, comprising fuse boxes (5) that are each provided with a fuse (50) connected in series with the single cut-off element, characterised in that the fuse box is...
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WO/2011/128426 |
A switch unit for a voltage circuit breaker comprising a first switch contact 202a; a second switch contact 202b is movable between first position and a second position, wherein the second switch contact is separated from the first switc...
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WO/2011/128012 |
The invention relates to a mechanical switch contact (10) for releasing, disconnecting, or switching over, in particular for an on-load tap changer of a step transformer, comprising at least two contact fingers or contact finger blocks (...
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WO/2011/128011 |
The invention relates to an indexing gear train (10) for an on-load tap changer or tap selector of a step transformer, wherein at least one cam disk (18; 20) driven by a crank mechanism (12) interacts with an output disk (22) having enga...
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WO/2011/128379 |
An arc chute for a DC circuit breaker comprising at least one stack 102, 106 of a plurality of substantially parallel metal plates 104, 104a,...;104n, 108, 108a, 108n, the at least one stack defining a first axis A in parallel to a stack...
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WO/2011/129041 |
Provided is a method of manufacturing elastic sheets to be installed for each of a plurality of panel units, wherein the area necessary for the elastic sheets is reduced without making process management of the elastic sheets more compli...
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WO/2011/121625 |
An apparatus (1) is described for the control and/or distribution of electric power comprising: a generally box-shaped supporting structure (2) delimiting an inner space (3), the supporting structure (2) comprising confinement walls (5-9...
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WO/2011/118609 |
Disclosed is an electronic device wherein a waterproof structure is formed without hampering lever manipulation of a lever switch. The electronic device has a lever switch that is comprised of a switch body, and a lever section that enab...
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