Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 35,977

Document Document Title
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...  
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...  
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)...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2018/228612A3
An electric isolating switch, belonging to the field of electrical devices, and comprising an electric operating mechanism (8) and a contact chamber (9), the contact chamber (9) being provided with a moving contact (15), a static contact...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2018/216167A1
The invention is characterized by comprising: an open-close contact point 2 for opening and closing an electrical path 1; a current detection device 3 for detecting a current in the electrical path 1; a first microcomputer 10 into which ...  
WO/2018/210936A1
A circuit breaker, comprising an enclosure comprising: - at least two arcing contacts that are movable axially relative to each other, between an open position of the circuit breaker in which the arcing contacts are separated from each o...  
WO/2018/210938A1
A circuit breaker, comprising an enclosure comprising: - at least two arcing contacts that are movable axially relative to each other, between an open position of the circuit breaker in which the arcing contacts are separated from each o...  
WO/2018/212210A1
When a 3-phase AC current is passed through a breaker, the effects of radiation and convection from the conductor surface varies according to the conductor, increasing the cost of heat dissipation design. Therefore, the present invention...  
WO/2018/211669A1
An operation device comprising a lever configured to be capable of rotating about a rotation axis, a first torsion bar connected to the lever, and a second torsion bar connected to one-end side of the first torsion bar. The operation dev...  
WO/2018/202422A1
The invention relates to an assembly for preloading a cable rotary-pendulum kinematic system, in which a rotational motion of a rotary body (6) is converted into a translational motion of a winding body by means of winding cables, to whi...  
WO/2018/202817A1
A vacuum circuit breaker comprising a vacuum interrupter (12) coupled between upper (18) and lower (20) terminals and being operable to make or break an electrical connection between the upper and lower terminals. The circuit breaker has...  
WO/2018/202816A1
A vacuum circuit breaker 10 comprising a vacuum interrupter 12 coupled between upper 18 and lower 20 terminals and being operable to make or break an electrical connection between the upper and lower terminals. The circuit breaker has a ...  
WO/2018/202506A1
The invention relates to a mechanical switching device for interrupting current comprising at least two switching contacts (4, 6), which are arranged so as to be movable with respect to one another in translational fashion along a switch...  
WO/2018/198538A1
[Problem] To provide a novel and improved arc-suppressing device capable of reducing the consumption of power by a current-limiting circuit used for suppressing an arc occurring when the power is shut down, so as to reduce the consumptio...  
WO/2018/198552A1
In this invention, first and second mechanical circuit breakers CB1, CB2 are connected between a plus terminal from a first direct current system 1 and a plus terminal from a second direct current system 2. One end from a first semicondu...  
WO/2018/197196A1
The invention relates to a vacuum switch for switching a circuit, having an evacuated tube, a fixed contact, a moving contact attached to a movable carrier bolt, and a kinematic system for moving the carrier bolt. The vacuum switch also ...  
WO/2018/197150A1
A connection element (1) for a moving contact of a vacuum interrupter having a connection body (40) and a flexible current conduction element (10), wherein the connection element (1) has at least one outer body (50) and the connection bo...  
WO/2018/192751A1
The invention relates to an arrangement (1) and a method for switching high currents in high-voltage technology for a pole, having at least one first and having at least one second contact (2, 3). A contact (2, 3) has at least two contac...  
WO/2018/192732A1
The invention relates to a double nozzle switch (1) and to a method for switching high-voltage currents for a pole. The double nozzle switch (1) comprises at least one first contact (2) comprising at least one first and at least one seco...  
WO/2018/192731A1
A switchgear driving arrangement comprises a transmission element (1) which penetrates a wall of a housing. The transmission element (1) is guided in a linearly movable manner in such a way as to be supported on the wall. A first guide b...  
WO/2018/193139A1
The invention relates to a control mechanism (1) for use in distribution equipment (100), comprising at least one switch (2) and a disconnector (3), and designed to actuate the operations of switching on and/or off and/or disconnecting a...  
WO/2018/192733A1
The invention relates to an arrangement (1) and a method for switching high currents in high-voltage engineering for a pole, having at least one first and having at least one second contact (2, 3). A contact (2, 3) has at least two conta...  
WO/2018/192741A1
The present invention relates to an improved holding device for vacuum interrupters and to a switchgear having a holding device of this kind. The holding device (10) has a holding opening (13) for holding a vacuum interrupter (20) and on...  
WO/2018/194422A1
A device for detecting a defect in an insulating material according to the present invention includes: an outer case including therein, a test chamber for storing an insulating material to be measured; a withstand voltage tester for appl...  
WO/2018/188782A1
The present invention relates to an improved high speed breaker (1) for industrial or railways applications wherein a high D.C. current must be interrupted with high efficiency and extremely fast intervention times. The breaker (1) inclu...  
WO/2018/188781A1
The present invention relates to an improved Breaker (1) for high current or voltage applications, for instance industrial and/ or railways applications wherein a high current must be switched on /off or interrupted with high efficiency ...  
WO/2018/189939A1
This vacuum valve (1) comprises: a vacuum container (2) formed by bringing together the openings of two insulation containers (9) that have an opening at one end; a pair of electrodes provided inside the vacuum container (2); and an arc ...  
WO/2018/189778A1
This invention comprises, among a plurality of magnetic iron plates of a fixed iron core, mounting sections provided on some of the magnetic iron plates. In this invention, a driving shaft is led out to the exterior of the fixed iron cor...  
WO/2018/182105A1
A high speed switch according to an embodiment of the present invention comprises: an interrupter unit connected to a main circuit and including a movable electrode and a driving electrode for opening or closing the main circuit; a drivi...  
WO/2018/182112A1
A DC circuit breaker having an arc blowout device according to the present invention comprises: a fixed contact; a movable contact operating so as to make contact with or separate from the fixed contact; an operation part for driving the...  
WO/2018/177824A1
To improve an interruption process, a switching chamber (10) for a gas-insulated circuit breaker comprises a thermal channel (32) having a bend part (32C) delimited by an outer surface (22A) of an auxiliary insulating nozzle (22) includi...  
WO/2018/179130A1
This contact switch (1) comprises: fixed contactor assemblies (20A, 20B) each containing a fixed contactor (21) provided with a fixed contact(22); a movable contactor assembly (10) with a movable contactor (11) that is provided with mova...  

Matches 1 - 50 out of 35,977