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Matches 1 - 50 out of 36,126

Document Document Title
WO/2019/092866A1
Provided is a gas circuit breaker with which it is possible to reduce a decrease in the flow rate of arc-extinguishing gas sprayed on an arc. A gas circuit breaker 1 having a pressure accumulation chamber 38 that communicates with a comp...  
WO/2019/092865A1
Provided is a gas circuit breaker in which re-ignition of an arc does not readily occur and steep potential gradients in an insulation nozzle are eased. This gas circuit breaker has an insulation nozzle 23 that guides arc-extinguishing g...  
WO/2019/092862A1
Provided is a gas circuit breaker capable of reducing a pressure drop of pressurized arc-extinguishing gas when the gas is ejected into an arc and reducing a mechanical loss of a movable portion. The gas circuit breaker has an insulating...  
WO/2019/092861A1
Provided is a gas circuit breaker capable of ejecting an arc-extinguishing gas to an arc without lowering the pressure of the pressurized arc-extinguishing gas, and capable of extinguishing the arc efficiently and more reliably. The gas ...  
WO/2019/093100A1
[Problem] To achieve, in a concrete manner, suppression of magnetizing inrush electric current of a single-phase transformer by clarifying a residual magnetic flux calculation method, and to provide a magnetizing inrush current suppressi...  
WO/2019/092918A1
The objective of the present invention is to provide a switchgear unit structured not to give rise to a triple point, and to control against cracking even in instances where thermal stress is applied. This switchgear unit comprises a swi...  
WO/2019/092863A1
Provided is a gas circuit breaker which enables to avoid degradation due to melting of an insulating nozzle and to reduce deterioration of cutoff performance. The gas circuit breaker comprises an insulating hole 23 that guides an arc-ext...  
WO/2019/091838A1
A phase conductor (3) has a main part (5) and a fitting member (8). The fitting member (8) is secured to the main part (5) of the phase conductor by a securing means (10). The securing means (10) is located within a joint gap between the...  
WO/2019/092864A1
The present invention provides a gas circuit breaker with which it is possible to spray an arc-extinguishing gas on an arc such that spray velocity does not decrease, and also to efficiently and more reliably extinguish arcs that occur s...  
WO/2019/086268A1
According to a first aspect of the invention, a gas-insulated medium-voltage switch (1, 2) is provided. The switch (1, 2) comprises a first contact element (10) having a nominal contact surface (12), a second contact element (20) and a s...  
WO/2019/081083A1
The present invention relates to an electrical switching apparatus having at least one contact point, an arc-quenching device associated with the contact point, and an arc-blowing device to generate a magnetic blowout field. The arc-quen...  
WO/2019/082464A1
The present invention suppresses deformation of a check valve resulting from an impact with a stopper even when the operation speed of the check valve is increased, and ensures that there is no risk of the cutoff performance becoming uns...  
WO/2019/081297A1
The invention relates to a drive device for an electrical switch, comprising: a rod-shaped single-component or multi-component slide (5) that can be moved in the axial direction and is used to open and/or close an electrical contact of t...  
WO/2019/077269A1
The invention proposes a device for the mechanical disconnection of a high-voltage or very-high-voltage electrical circuit (2) of the type; - having two mobile electrodes (20, 22) that allow a nominal electric current to flow through the...  
WO/2019/075612A1
A method for monitoring a circuit breaker, a system and an internet of things using the same. The method includes: measuring at least two operating condition related parameters of the circuit breaker during operation of the circuit break...  
WO/2019/077754A1
A breaker (1) is provided with: a transmission mechanism (30) for changing a cut-off state to a power-on state by moving a needle (6) in association with the movement of a plunger (23) of an electromagnetic solenoid (20); and a tripping ...  
WO/2019/073660A1
The purpose of the present invention is to enhance both ground insulation performance and breaking performance by reducing the amount of discharge of high-temperature and high-pressure gas into an insulating support cylinder while still ...  
WO/2019/073671A1
The objective of the invention is to improve the direct-current insulation capacity of a gas circuit breaker. The invention is a bi-directionally driven gas circuit breaker comprising, within a gas tank, a pair of main contactors dispose...  
WO/2019/072873A1
A switchgear unit includes a gas-insulated compartment and a circuit interrupter in the gas-insulated compartment and mounted on a wall thereof, the circuit interrupter having an actuator rod extending through the wall and outside of gas...  
WO/2019/075398A1
A solid dielectric deadfront electrical switch assembly having a switch contact assembly. The switch contact assembly can include an upper insulative diaphragm, a male pin contact having an insulating tip and an isolating sleeve, a prima...  
WO/2019/063243A1
The invention relates to a module set (1) for making circuit breakers (100). The module set (1) comprises a type of identical switching units (3), at least one type of identical switching unit frames (5, 7), each of which can be connecte...  
WO/2019/063271A1
The invention relates to an assembly (1) and to a method for damping contact bounce in high-voltage circuit breakers, having a vacuum interrupter (18) and a holder (10) for the vacuum interrupter (18), the vacuum interrupter (18) compris...  
WO/2019/064447A1
A switching device (1) is provided with: a movable body (2) that is provided so as to perform reciprocating movement including movement to a first direction and movement to a second direction; a movable contactor (3) that is connected so...  
WO/2019/057438A1
The invention relates to a charging mechanism (1) for charging a stored-energy spring of a stored-energy spring mechanism. Said charging mechanism (1) comprises a charging gear (9) coupled to the stored-energy spring, an intermediate sha...  
WO/2019/057870A1
Electrical switch (100) for interrupting a current path, in particular of a voltage supply in a motor vehicle, comprising a contact point (106) which is formed from a first contact piece (102) and a second contact piece (104) which is mo...  
WO/2019/057433A1
The invention relates to a tensioning mechanism (1) for tensioning a pre-loaded spring of a spring-loaded accumulator drive. Said tensioning mechanism (1) comprises a tensioning wheel (9) coupled to the pre-loaded spring, an intermediate...  
WO/2019/052778A1
The invention relates to an arrangement (1) and to a method for switching high currents, having at least one vacuum switching path and at least one rated-current contact switching path The at least two switching paths are connected elect...  
WO/2019/053336A1
A switching device which comprises: a body (2) which has a first side wall (21) and a first end wall (23), the first side wall (21) being perpendicular in relation to a longitudinal direction, and the first end wall (23) is substantially...  
WO/2019/052775A1
The invention relates to an outdoor switching device (1) and to a method for switching high voltages of multiple phases (20, 21, 22), comprising at least two interrupter units (2, 3, 4), each of which is associated with a different phase...  
WO/2019/052796A1
The invention relates to a base support (7) for a circuit breaker (1) having at least one pole column (3). The base support (7) comprises a profile rail (23) produced from sheet metal having constant sheet thickness, which has a pole col...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  

Matches 1 - 50 out of 36,126