Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,349

Document Document Title
WO/2021/073047A1
Disclosed is a high-parameter indoor high-voltage isolation switch, comprising a mounting base frame, a drive device, and at least one conductive unit, wherein each of the conductive units are turned on or off synchronously by means of t...  
WO/2021/046161A1
A hot stick installation accessory is provided. The accessory includes a main housing, a base, and a tool. The main housing has a holding region that holds an electrical component. The base can be removably secured to a body of the hot s...  
WO/2021/043548A1
The present invention relates to a switch assembly for an air-insulated high-voltage circuit breaker at least comprising a main switch and an auxiliary switch, the main switch comprising a single-column circuit breaker with at least one ...  
WO/2021/028138A1
The invention relates to an electrical switching device comprising a switching path (2) and a flow device having a control valve (13, 13a, 13b, 13c). By means of the flow device, a fluid can flow on the switching path (2). The control va...  
WO/2021/008168A1
An integrated intelligent isolating switch mechanism box, comprising a mechanism box housing, an output shaft, a coupling, as well as an execution unit, a control unit and function units provided in the mechanism box housing. According t...  
WO/2020/263311A1
The present invention is an Equipment Smart System which is applicable to a majority of non-smart portable equipment. It presents a universal control system which can be plugged into majority of non-smart portable equipment. It has multi...  
WO/2020/263291A1
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...  
WO/2020/263347A1
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...  
WO/2020/252832A1
The present invention relates to a dual-energy storage operation mechanism for an isolating switch. In the present invention, a first energy storage mechanism and a second energy storage mechanism are respectively provided between an inp...  
WO/2020/254165A1
The present invention relates to a three-position disconnector switch, comprising: an earthing contact (1), a power out contact (2), a power in contact (3), a piston (4), and a threaded rod (5). A length of the piston is such that in a f...  
WO/2020/247660A1
A support, for a high-voltage electric switch includes a housing, a shaft, and an intermediate member positioned between the housing and the shaft. The shaft extends at least partially through the housing, and the shaft is supported for ...  
WO/2020/244729A1
The invention relates to a switching device (1) for an open-air switchgear. The switching device (1) comprises a stationary electrically conductive first contact element (11) and an interrupter unit (15), on which an electrically conduct...  
WO/2020/234972A1
This release-type electromagnetic tripping device (1) is provided with a frame (10), a lever (20), a first latch (30), a reset button unit (40), a second latch (50), and an electromagnetic solenoid (60). The lever (20) is biased in the d...  
WO/2020/234463A1
Disclosed is a three-position switch used for high-voltage electric power equipment. The three-position switch used for high-voltage electric power equipment is provided with three sub switches which correspond to three phases, wherein e...  
WO/2020/223884A1
Embodiments of the present disclosure provide a earthing switch for a switchgear. The earthing switch comprises a plurality of fixed contacts arranged in a plurality of phases of the switchgear; and a plurality of movable contacts operab...  
WO/2020/214591A1
A guiding pull ring member for guiding a unit top contact in a switch assembly into a mounting contact. The guide ring member includes a mounting ring defined in a first plane, a grasping ring coupled to one side of the mounting ring and...  
WO/2020/209509A1
In the present invention, at least one thermoelectric module is provided in a switchboard busbar to which input and output terminals of a cradle are connected, and an air circuit breaker is cooled using the thermoelectric module so as to...  
WO/2020/207564A1
A disconnector device (110) is connectable to pole-mounted equipment (120) in a power grid. The disconnector device is activated in case of an overload condition, thereby disconnecting the pole-mounted equipment (120). The disconnector d...  
WO/2020/204388A1
An arc-extinguishing unit structure for a direct current air circuit breaker according to one embodiment of the present invention comprises: a plurality of grids; side plates coupled to both sides of the plurality of grids so that the pl...  
WO/2020/200864A1
The invention relates to a switch installation, particularly for medium and/or high voltages, comprising an optimised three-position switch, and to an optimised three-position switch, wherein the three-position switch (5) comprises a mai...  
WO/2020/204387A1
An arc extinction apparatus according to an embodiment of the present invention comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber u...  
WO/2020/181898A1
An isolation switch and a conductive base thereof, which relate to the technical field of high-voltage switch devices, and which may solve the problems in the prior art wherein conductive bases are high-cost and a heat dissipation effect...  
WO/2020/169582A1
The present invention relates to an earthing module (1) for a switchgear. The earthing module comprises a cylinder (10), a piston (20), a stored energy unit (40), and at least one photovoltaic cell (50). The cylinder is configured to con...  
WO/2020/161536A1
The invention relates to a switchgear with a contact assembly for performing a switching operation. The contact assembly comprises a main contact with a first and a second set of contact fingers. The contact assembly further comprises a ...  
WO/2020/148384A1
Embodiments of the disclosure can include an inertial short-circuit and seismic hook for an electrical equipment disconnect switch.  
WO/2020/149485A1
A safety shutter of the present invention comprises: a base unit; a shutter unit; and a cam unit. The base unit is coupled to a cradle of an air circuit breaker, and a terminal connected to a main circuit passes through the base unit. Th...  
WO/2020/124299A1
A three-phase linkage isolating switch, comprising a holder (1), an electric mechanism (2), a transmission rod (3), a pull rod (4), conductive arms (5), a base (6), and insulators (7). In this solution, a double pull rod structure is use...  
WO/2020/126302A1
The invention relates to an earthing switch (12) for a medium- and/or high-voltage circuit device (10), wherein for earthing a contact element (18) of the circuit device (10) the earthing switch (12) has a movable switching element (20) ...  
WO/2020/091261A1
The present invention relates to a high speed earthing switch of a gas insulated switchgear and, more specifically, to a high speed earthing switch of a gas insulated switchgear, which includes an air blower so as to secure an improved a...  
WO/2020/064275A1
The invention relates to a contact arrangement and to a method for an isolating switch, comprising at least one contact arm (1) and comprising at least one mating contact piece (6). The contact arm (1) comprises at least one profile body...  
WO/2020/064277A1
The invention relates to a contact arm (1) and a relevant method for a disconnect switch, having at least one profile body (2) and at least one contact element (3), which is in electrical contact with the at least one profile body (2) an...  
WO/2020/057907A1
The present invention relates to a gripping group (31, 32) for a switch, changeover switch, disconnector or generally a power switch (1), said power switch (1) being mounted inside an insulated switch body (2) and comprising at least a m...  
WO/2020/057901A1
The present invention relates to a switch (1) comprising a switch body (2), suitable for containing switch components, at least two terminal contacts (34, 40), protruding from the switch body, at least one movable contact (29), which is ...  
WO/2019/154332A8
A transformer truck for a transformer system is provided. The transformer truck defines a first direction, a second direction, and a third direction, the three directions orthogonal to each other. The transformer truck includes a housing...  
WO/2020/025238A1
The invention relates to a drive apparatus (7) for an isolator switch (1). The drive apparatus (7) comprises a motor (19), a transmission (21) with a drive shaft (25), which can be driven in two opposite directions of rotation by the mot...  
WO/2020/025242A1
The invention relates to an isolating switch (1) comprising two contact parts (7, 8) that can move relative to one another between two end positions. A first contact part (7) has a first main contact (9) and a first auxiliary contact (11...  
WO/2019/242843A1
The invention relates to a potential equalisation system for a modular multi-level converter (1) having a plurality of converter modules (3) which each have a direct current source (13). The potential equalisation system comprises pole c...  
WO/2019/244224A1
The present invention provides a small and highly reliable operating device for a disconnect switch. The operating device comprises: a motor 1 capable of positive and negative rotation; a main shaft 6 that rotates in response to the outp...  
WO/2019/229073A1
The invention relates to a source inverter (10) for current with an intensity between 1000 A and 40,000 A comprising three phases, intended to connect an electrical load (6) to a backup electrical power source (4) in the event of the fai...  
WO/2019/215946A1
A switch in which one end portion (EP) of a blade (2) is pivotally mounted in pressure contact with a fixed contact (1a), and the other end portion (EF) is brought into pressure contact with a fixed contact (1b) by means of a rotating op...  
WO/2019/196026A1
Embodiments of the present disclosure provide a flexible conductor for connecting a main blade and a base of a disconnector. The flexible conductor comprises a first portion and a second portion, the first portion is fixed to the base an...  
WO/2019/186308A1
The invention relates to a center break switch having a contact system for electrical current conduction and bus transfer switching. The contact system comprises two moving contacts. One of the two moving contacts comprises a finger cont...  
WO/2019/180536A1
The invention relates to a switchgear having a turn and twist mechanism. The switchgear has a contact system for electrical current conduction and bus transfer switching. The contact system has a fixed contact assembly and a movable cont...  
WO/2019/171707A1
The purpose of the present invention is to provide a disconnector with which it is possible to mitigate the electric field of a fixed contact piece even when a shield molded from resin is not disposed, the disconnector being made smaller...  
WO/2019/165813A1
Provided is a combined electric appliance three-position mechanism, comprising a frame, wherein the frame is provided with a grounding switch operating device, a closing switch operating device, a three-position output device and a trip ...  
WO/2019/165812A1
The present invention provides a three-station mechanism of a load switch, comprising a rack. A grounding switch operation device, a closing switch operation device, and a three-station output device are provided on the rack. The three-s...  
WO/2019/161519A1
An electrical power distribution system includes a switch device coupled to a switchgear unit and selectively moveable between an open position and a closed position. The switch device includes a base frame, a main shaft rotatably couple...  
WO/2019/154332A1
A transformer truck for a transformer system is provided. The transformer truck defines a first direction, a second direction, and a third direction, the three directions orthogonal to each other. The transformer truck includes a housing...  
WO/2019/138383A1
The electrical switching device (1) according to the invention comprises: a conductive enclosure (2); a first insulating tube (4a) located inside the conductive enclosure (2); a switch (8) located inside the first insulating tube (4a); s...  
WO/2019/105277A1
A wire outlet assembly (1), and a negative contact assembly, positive contact assembly and fracture assembly that comprise the wire outlet assembly, the wire outlet assembly comprising: a flange support (5), wherein the flange support (5...  

Matches 1 - 50 out of 5,349