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WO/2019/053337A1 |
The electrical switch (500) comprises a first and a second fixed contact (100, 200), and a rotatable knife contact (400) comprising at least one pair of blades (410, 420) being flexibly connected to each other and rotating around a rotat...
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WO/2019/053339A1 |
The electrical switch comprises two fixed contacts and a rotatable knife contact having a rotational axis (Z1-Z1) and comprising at least one longitudinal pair of blades (410) flexibly connected to each other. The two fixed contacts as w...
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WO/2019/053335A1 |
A change-over switch comprising a frame (2) having a first side wall (21) and a second side wall (22), a first supply terminal (41), a second supply terminal (42), a load terminal (6), and at least one gas flow opening (31, 32) for disch...
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WO/2019/053334A1 |
The electrical switch (500) comprises a first and a second fixed contact (100, 200), and a rotatable knife contact (400) comprising at least one pair of blades (410, 420) being flexibly connected to each other and rotating around a rotat...
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WO/2019/054603A1 |
The present invention relates to a gas circuit breaker of a gas-insulated switchgear. The present invention comprises a driving portion (10) that operates when a malfunction current occurs, and a holding portion (20) that is coupled to a...
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WO/2019/052776A1 |
The invention relates to a high-voltage power circuit breaker (1) for a pole (19, 20, 21) and the use thereof in multipole outdoor switchgear (25) having series-connected interrupter units (2, 3, 4, 5) that are mechanically stably connec...
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WO/2019/053338A1 |
The electrical switch (500) comprises a first and a second fixed contact (100, 200), and a movable knife contact (400) comprising at least one longitudinal pair of blades (410, 420) being flexibly connected to each other, whereby the bla...
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WO/2019/047349A1 |
A sulphur hexafluoride gas recovery and inflation device, comprises a joint device. The joint device is connected with a vacuumizing branch, a recovery branch and an inflation branch, and can gate or communicate the vacuumizing branch, t...
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WO/2019/048220A1 |
The invention relates to a switching contact drive device (1) comprising a transmission with an energy store (7, 8). The energy store (7, 8) is enclosed in a housing (9, 10). The housing (9, 10) guides a relative movement, particularly a...
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WO/2019/044071A1 |
The purpose of the present invention is to provide a vacuum switch device such that not only is it possible to assess contact wear and contact load even during operation not under detailed inspection, but the reliability of device energi...
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WO/2019/037935A1 |
The invention relates to a coupling element (1) for coupling two shafts, which is formed with two rigidly connected, spaced coupling disks (2, 3). The coupling disks (2, 3) are arranged parallel to each other and each have a plurality of...
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WO/2019/038813A1 |
In this invention, a fixed iron core (61) of an electromagnetic operating mechanism (60) comprises: a first divided iron core (81) and a second divided iron core (82) each formed from a stack of a plurality of magnetic plates (90); and a...
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WO/2019/038118A1 |
The invention relates to a mounting device (22) for mounting a moving contact (16) on an electrical component (12) for a circuit breaker (10), having at least one guide element that can be fastened on the component (12) for guiding the m...
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WO/2019/038946A1 |
A circuit breaker comprises a make-break contact for making and breaking an electrical circuit, an open-contact spring, a toggle mechanism, and an electromagnetic operation mechanism. The open-contact spring biases the make-break contact...
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WO/2019/038151A1 |
The invention relates to a device (1) for limiting current, comprising at least one vacuum switch (3). The device comprises: a vacuum chamber (5), two contact elements (13a, 13b) arranged therein, having running surfaces (20) facing each...
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WO/2019/034349A1 |
A mechanical latching accessory kit (1) for a Medium Voltage contactor (100) comprising one or more movable contacts (101) connected through a mechanical link (110) to a contact actuator (102) moving said one or more movable contacts (10...
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WO/2019/035180A1 |
This direct current interruption device is provided in a direct current power transmission circuit in which at least a first direct current power transmission line and a second direct current power transmission line are electrically conn...
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WO/2019/031022A1 |
The present invention provides a vacuum switch device such that buckling of an interruption spring can be prevented without increasing the weight of the movable section. The vacuum switch device has a configuration wherein: a switch and ...
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WO/2019/025438A1 |
A switching device comprising first and second body parts and a first operating device for moving the body parts into a closed state. A piezoelectric actuator is coupled to each body part and is operable to move the body parts part away ...
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WO/2019/025455A1 |
A vacuum circuit breaker comprising a vacuum interrupter and an actuator coupled to the vacuum interrupter. The vacuum interrupter and actuator are located in a vacuum chamber that is partitioned into first and second vacuum sub-chambers...
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WO/2019/025032A1 |
The invention refers to a circuit breaker (300A) comprising a vacuum interrupter (301) for a gas insulated switchgear. Moreover, the invention refers to a gas insulated switchgear comprising at least one circuit breaker (300A) and/or a d...
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WO/2019/025493A1 |
The invention relates to residual load isolation technology for isolating an electrical connection at a feed point to a traction current supply conductor of an electric transport means. The residual load isolation technology comprises a ...
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WO/2019/024978A1 |
This electric switch comprises an arc-blasting unit with a compression cylinder (25) enclosing a compression chamber (27) mobile together with the mobile contacts (2), and a stationary piston (13) at an end of the compression chamber, pr...
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WO/2019/021351A1 |
This interlock device (3a) for a switch is provided with: a transmission section (40) in which one end (45) for outputting the on/off state of a first switch moves as the other end (46) moves; and a drive section (50) which moves the oth...
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WO/2019/021728A1 |
Provided is a battery pack in which the life of a contact switch used for controlling charging of a storage battery is lengthened. The battery pack 2000 has: a battery 2020 connected to a load 20 and a charger 10; a contact switch 2040 p...
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WO/2019/022659A1 |
A circuit breaker comprises a switch (10) and an actuator comprising a displaceable shaft (11) mechanically connected to a movable contact (10b) in the switch (10). A Thomson coil (12, 14) is adapted to displace the shaft (11) in a first...
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WO/2019/015155A1 |
The invention provides a direct current (DC) isolation switch capable of opening and closing a harmonic current. A DC isolation switch comprises a main static contact, a moving end component and an arc extinguishing device. The arc extin...
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WO/2019/016285A1 |
The invention relates to a mechanical and electrical connection element for the use in low, medium and high voltage, for circuit breakers, reclosers and switchgears. In order overcome the disadvantage, that the known design requires a ce...
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WO/2019/015152A1 |
An electromagnetic repulsion-based actuating mechanism, energy storage module for same, and energy storage device. The electromagnetic repulsion-based actuating mechanism comprises a voltage conversion module (302), an energy storage uni...
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WO/2019/012609A1 |
A DC circuit breaker (100), provided with: a main circuit breaker (1) inserted into a DC wire (17), a resonance circuit (10) connected in parallel to the main circuit breaker (1), and a MOSA (11) connected in parallel to the main circuit...
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WO/2019/011562A1 |
The invention relates to an assembly (1) and a method for damping switching movements, having a housing (3), which physically surrounds at least one piston (8), and which at least partly physically surrounds at least one rod (7). The rod...
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WO/2019/011571A1 |
A contact press-on assembly (14) for a switching contact piece (3, 4) of an electrical switching unit has a first stop (15) and a second stop (16). A spring element (17) extends between the two stops (15, 16), wherein the first stop (15)...
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WO/2019/008903A1 |
According to the present invention, current is shut off only when the current suddenly increases as in a short-circuit accident. A DC voltage is applied between a terminal T1 and a terminal T2. A load is connected between a terminal T3 a...
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WO/2019/007505A1 |
The invention is directed towards a direct current circuit breaking device (20 ) as well as to a method and computer program product for controlling the device. The circuit breaking device (20 ) comprises a branch comprising a number of ...
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WO/2019/001946A1 |
The disclosure relates to a gas-insulated load break switch(1) and a gas-insulated switchgear (100) comprising a gas-insulated load break switch (1). The gas-insulated load-break switch (1) has a housing (2) defining a housing volume for...
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WO/2018/234076A1 |
Electric high-voltage circuit breaker (10) comprising a primary chamber (12) and a compression chamber (14), wherein said circuit breaker (10) further comprises a valve (100) configured to control a fluid flow (F; F1a, F1b, F2a, F2b) bet...
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WO/2018/228612A2 |
Disclosed is an electric isolating switch, belonging to the field of electrical devices, and comprising an electric operating mechanism and a contact chamber, the contact chamber being provided with a moving contact, a static contact, wi...
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WO/2018/230224A1 |
A direct-current circuit breaker according to an embodiment of the present invention has a mechanical switching part, a semiconductor switching part and a commutation device. The mechanical switching part has at least one mechanical swit...
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WO/2018/229970A1 |
A direct-current circuit breaker according to an embodiment of the present invention has a mechanical switching part, a semiconductor switching part and a commutation device. The mechanical switching part has at least one mechanical swit...
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WO/2018/228882A1 |
The invention relates to a double-contact switch (10), comprising a first and a second tubular vacuum switching chamber (12, 14), which are designed as partial switching chambers of a switching tube (16); an electrode (18), which is fixe...
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WO/2018/229972A1 |
The gas circuit breaker according to an embodiment of the invention comprises a sealed container (2), a first contact unit (50) and a second contact unit (20), an operating mechanism (30), an insulating nozzle (60), a pressure accumulati...
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WO/2018/225255A1 |
A gas circuit breaker is provided which can quickly cool an arc extinguishing gas that has been blown at an arc and reached a high temperature. This gas circuit breaker comprises a sealed container 8 in which an arc extinguishing gas is ...
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WO/2018/225256A1 |
A gas circuit breaker is provided which can quickly cool an arc extinguishing gas that has been blown at an arc and reached a high temperature. This gas circuit breaker comprises a sealed container 8 in which an arc extinguishing gas is ...
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WO/2018/220955A1 |
A plurality of capacitor devices (4) configured by electrically arranging a plurality of capacitor elements (7) in series are arranged in the outer circumferential part of an insulating cylinder (1) in the circumferential direction, and ...
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WO/2018/219659A1 |
The present disclosure relates to an electrical DC switching system (1) for extinguishing an electric arc, wherein the electrical DC switching system (1) comprises:a main contact arrangement (3) having a first contact (3a) and a second c...
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WO/2018/216231A1 |
Provided is a switching device that is more compact, has lower costs, and has excellent disconnection performance and reliability. This switching device switches between current disconnection and input and comprises: an opposing arc cont...
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WO/2018/216259A1 |
An arc-extinguishing plate according to the present invention is used for extinguishing an arc current generated between switch contacts. The surface of the arc-extinguishing plate has recessed and projected parts that include projected ...
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WO/2018/216095A1 |
This opening-closing device (100) comprises an opening-closing mechanism (4) causing a fixed contact point (7a) and a movable contact point (7b) to open and close. The opening-closing mechanism (4) comprises: a linking mechanism (41) cau...
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WO/2018/214346A1 |
Disclosed is a wireless power source-based vacuum degree-monitoring high voltage vacuum arc-extinguishing chamber. A first end cover (2), a second end cover (3), and an insulation tube (3) forms a first closed cavity (10). A stationary c...
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WO/2018/216084A1 |
Provided is a switching device that is more compact, has lower costs, and has excellent disconnection performance and reliability. This switching device switches between disconnecting and connecting current and comprises: an opposing arc...
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