Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 36,842

Document Document Title
WO/2021/001125A1
The invention relates to an electrical switchgear comprising a first switching contact piece (12) and a second switching contact piece (13). The two switching contact pieces (12, 13) can be moved relative to one another by means of a kin...  
WO/2021/001901A1
An operation device for switches according to an embodiment has a pair of compression springs, a compression spring support mechanism, and at least one guided part. The pair of compression springs are arranged in parallel. The compressio...  
WO/2021/001011A1
The invention relates to a method for the uninterrupted adaptation of parameters of a circuit (2000) by the targeted introduction of ohmic, capacitive or inductive portions by means of at least two switching devices (1000; 1001) as contr...  
WO/2021/001017A1
The invention relates to a switching device (1000) having an ON state, an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and further intermediate states between the ON st...  
WO/2021/001124A1
A switchgear comprises an encapsulation housing (1). A interrupter unit (9a, 9b) having a switch point (11) is arranged in the encapsulation housing (1). The switch point (11) of the interrupter unit (9a, 9b) is arranged between a first ...  
WO/2021/001012A1
The invention relates to an electrical switch (100) comprising an ON state and an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and comprising a controllable resistor el...  
WO/2020/260673A1
The invention relates to a direct-current high-speed circuit breaker (SSM) which is suitable for and is provided for switching off high direct currents in the event of loading or a short circuit, comprising an isolating switch (VS), a tu...  
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/2020/262754A1
The present invention relates to a bidirectional-direct current power cutoff control device of arc accident leakage current detection type, comprising: a bidirectional switch unit provided between a direct current power source and a load...  
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/2020/261429A1
This air circuit breaker is provided with a stationary contact (110), a movable contact (120), a plurality of arc-extinguishing plates (160), a circumferential wall (150), and a cooling cylinder (170). The movable contact (120) can be br...  
WO/2020/254163A1
The present invention relates to a medium voltage circuit breaker switching pole (10) comprising: a fixed contact (1) of a vacuum interrupter; a movable contact (2) of the vacuum interrupter; and a threaded drive element (5). The movable...  
WO/2020/253989A1
A hybrid circuit interrupter can be used for medium voltage direct current applications, among other applications. The circuit breaker includes a vacuum circuit interrupter and an electronic power interrupter that are electrically connec...  
WO/2020/250511A1
The present invention is characterized in that in order to provide a switchgear that can suppress chattering in a simple manner, this switchgear comprises: a fixed side contactor electrically connected to a fixed side arc contactor; a mo...  
WO/2020/251856A1
A progressively contacting switch includes a set of contacts connected to an input. The set includes a first sacrificial contact formed of a first metal and a first conducting contact formed of a second metal. The switch further includes...  
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/2020/244939A1
The invention relates to a method for determining the status of a drive unit (2) for a high- or medium-voltage switchgear (4), comprising the following steps: carrying out a load-free switching operation with the high- or medium-voltage ...  
WO/2020/246039A1
The vacuum circuit breaker is provided with: an insulating rod (18) disposed inside a grounded tank (5); a drive conductor (17) connected to the insulating rod (18); a first bushing (4a) and a second bushing (4a) connected to a side surf...  
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/2020/245329A1
Embodiments of the disclosure can include systems and methods for limiting transient over-voltages occurring across a circuit breaker. These embodiments include providing a middle tank portion. They further include providing a first port...  
WO/2020/238184A1
A circuit breaker and a mechanical linkage mechanism for the same. The mechanical linkage mechanism for a circuit breaker comprises: a support frame (4) fixed at an end of an arc extinguishing chamber assembly near a pull rod (3), wherei...  
WO/2020/240702A1
The interruption device (1) is provided with: an interruption section (8) which is equipped with interruption units (2a, 2b, 2c, 2d) each comprising a main interrupter (21, 22, 23, 24), an impedance circuit (31, 32, 33, 34), and a unit s...  
WO/2020/239511A1
The present invention relates to a method and a monitoring system (10), for monitoring a vacuum on-load tap changer (1). The tap changer (1) comprises a housing (2) with insulating fluid (3), a diverter switch (4) inside of the housing (...  
WO/2020/241397A1
Provided is a direct-current circuit breaker equipped with an interruption mechanism unit (16) for interrupting a direct current by separating a fixed contact (1) and a movable contact (3) from each other, and an arc-extinguishing chambe...  
WO/2020/242063A1
The present invention relates to a bypass switch and, more specifically, to a bypass switch used in a super-high voltage direct current transmission sub-module. A bypass switch according to one embodiment of the present invention compris...  
WO/2020/240632A1
The circuit breaker (1) is provided with a mechanism unit (6) for opening/closing an electrical circuit, a command output unit (40) for outputting an operation command to operate the mechanism unit (6), a switch unit (15) operating upon ...  
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/2020/235044A1
The purpose of the present invention is to provide an electromagnetic operation device that is able to quickly resume an opening/closing control even when an abnormality has occurred in a control board for controlling the opening/closing...  
WO/2020/229035A1
The invention relates to a medium-voltage switchgear comprising a drive system (4) and a circuit breaker (6) - wherein the drive system (4) comprises a drive shaft (8) and a drive unit (10), - and the circuit breaker (6) has at least two...  
WO/2020/228426A1
Disclosed in the present invention is an arc-current closing auxiliary device for an isolating switch. The arc-current closing auxiliary device comprises a fixed-contact mechanism and a moving-contact mechanism, wherein an arc-current cl...  
WO/2020/229338A1
A nozzle (100) for a circuit breaker (1000), the circuit breaker (1000) having at least two contact elements (210, 220) and a gas reservoir (310) is provided. The nozzle (100) is manufactured by 3D printing as a single piece and is confi...  
WO/2020/229011A1
The invention relates to a medium-voltage circuit breaker, comprising: - two contacts mounted so as to be movable relative to one another, a first of the contacts being a pin contact (18) and the second of the contacts being a hollow con...  
WO/2020/228427A1
Disclosed is a non-contact arc current closing auxiliary contact device for isolation switches, comprising a static contact mechanism and a moving contact mechanism. A discharge mechanism is provided between the static contact mechanism ...  
WO/2020/222345A1
A circuit breaker is disclosed. A circuit breaker, according to an embodiment of the present invention, comprises: a blocking unit comprising a fixed contact unit and a movable contact unit; an output shaft which rotates in an insertion ...  
WO/2020/223348A1
A disconnector device including an isolator connected between a first terminal and to a second terminal, and a sleeve positioned around the isolator and moveable between an un-extended position prior to the isolator operating and an exte...  
WO/2020/219899A1
A switchgear apparatus configured for operation at voltages up to 72.5 kV includes a vacuum interrupter assembly including a vacuum bottle having an upper portion and a lower potion, a sleeve surrounding the vacuum bottle, a dielectric m...  
WO/2020/216546A1
The invention relates to a switch rod (3) of a drive of an electric switch. The switch rod (3) comprises an insulator tube (13) made of a non-conductive material; a metallic end reinforcement (15), which has a first portion (27) arranged...  
WO/2020/218137A1
A vacuum valve (1) comprising: an insulation cylinder (2); a fixed-side flange (3) that seals one end of the insulation cylinder (2); a movable-side flange (4) that seals the other end; a fixed-side electrode rod (6) that has one end anc...  
WO/2020/216976A1
Gas shut-off switch (1) provided with various operating positions and intended to be isolated in a dielectric gas inside an electrical switchgear cell (19) having at least one housing (2) comprising: a pair of fixed contacts (3, 4) arran...  
WO/2020/219916A1
An integrated assembly includes a switchgear apparatus configured for operation at voltages up to 72.5 kV, a mount assembly configured for attachment to a pole and configured to support the switchgear apparatus from the pole, and an elec...  
WO/2020/219914A1
A switchgear apparatus includes a vacuum interrupter assembly having a movable contact and a stationary contact, a main housing surrounding the vacuum interrupter assembly, and a first terminal electrically coupled to one of the movable ...  
WO/2020/219905A1
A switchgear apparatus configured for operation at voltages up to 72.5 kV includes a vacuum interrupter assembly having a fixed contact and a movable contact configured to move relative to the fixed contact between a closed position in w...  
WO/2020/217292A1
A switchgear that can detect the occurrence of an internal arc without malfunction is obtained. Provided is a switchgear (10) characterized by comprising: a power receiving panel (1) which has a power receiving circuit (14) including a...  
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/2020/212284A1
A circuit breaker with metallic enclosure (1) comprises a chamber (3). The chamber comprises a first compartment (31) and a second compartment (32) enclosing an interior volume. The first and second compartments are electrically insulate...  
WO/2020/211992A1
The invention relates to a triggering apparatus (1) for an electrical switch device (3), comprising - an actuator (A), - a hydraulic transmission unit (H) connected mechanically to the actuator (A) in series, - a cable system (M), which ...  
WO/2020/213027A1
A DC current breaker device according to an embodiment of the present invention interrupts current of a DC system that supplies DC power converted by a first AC-DC converter present at a first end side, or DC power converted by a second ...  
WO/2020/207647A1
The invention relates to a switching device (10) for an electrical apparatus, having at least one vacuum interrupter (12) in which a first contact element (20) and a second contact element (22) are arranged, which second contact element ...  
WO/2020/208676A1
A manual operation unit (20), for manually operating multiple switches (200) at once, is provided with: a shaft (5) which is rotatably held in a frame (11) of electromagnetic operating device main body units (10) for operating the switch...  

Matches 1 - 50 out of 36,842