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Patent Searching and Data


Matches 1 - 50 out of 38,203

Document Document Title
WO/2021/001468A1
Relay with a spring-based contact system (3) includes at least two pairs of contacts (4, 5), each of which comprises one fixed contact piece (4.1; 5.1) and one contact piece (4.2; 5.2). The movable contact pieces (4.2; 5.2) are coupled w...  
WO/2021/001275A1
The present invention relates to an on-load tap changer including a tap changer tank (3) filled with a dielectric fluid and an insulation barrier comprising an insulating sheet (12) made of an electrically insulating material. The insula...  
WO/2021/001333A1
An electromagnetic induction device (1) comprising: a main tank (3), a magnetic core arranged in the main tank (3), an On-Load Tap Changer, OLTC, comprising: an OLTC tank (5) mounted to the main tank (3), a fine selector (15), a diverter...  
WO/2021/001379A1
The present disclosure relates to an On-Load Tap Changer (OLTC) (1) for a fluid-filled power transformer. The OLTC comprises a barrier (2) which is sealingly arranged to separate an electrically insulating tap changer fluid (3) of the OL...  
WO/2021/001057A1
A multi-level feedback actuator assembly for a circuit breaker assembly includes a rotary solenoid, an electric actuator assembly and a manual actuator assembly. The electric actuator assembly includes a switch assembly with an actuator....  
WO/2021/001188A1
The invention is concerned with a drive arrangement (23) for a tap changer, the drive arrangement comprising a first movable latch (42) having a first and a second end (44, 46), a first rotatable wheel (24) with a first actuating element...  
WO/2020/259424A1
An arc-extinguishing power device drive apparatus is an arc-extinguishing power device drive apparatus, suitable for driving a power device, used in an electronic arc-extinguishing apparatus. A power device (SCR1) requiring to be driven ...  
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/2020/260382A1
An electric circuit breaker (2) comprising a switch (22, 24), an arc extinguishing chamber (32) and a fuse (40) configured to be electrically connected between first and second terminals after the switch has tripped, further comprises a ...  
WO/2020/260042A1
The invention relates to a circuit breaker (100) comprising: - at least two electrical connection terminals (102, 103), - an electromechanical breaking device (130) comprising a mobile contact element (132) movable between two positions,...  
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/2020/260497A1
A multi-phase selector-preselector apparatus (10) for an on-load tap changer comprises an insulation tube (100) enclosing an insulation compartment (110); a preselector (200) disposed along an outer wall of the tube; a selector device (3...  
WO/2020/253891A1
The invention relates to a disconnecting switchgear with three mutually exclusive positions II-0-I, with position II energizing the load circuit, position 0 de-energizing the load circuit and position I grounding the circuit, which reduc...  
WO/2020/254712A2
The invention relates to a cable switch with a USB charger, which is formed from: a protective case (2) containing electricity-interrupting means (3) connected between an input connector (4) and an output connector (5), said connectors b...  
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/2020/250540A1
A switch device 100 according to the present invention is provided with: a base 10 having an upper surface and a lower surface; a cap 20 attached to the base 10 so as to cover the upper surface of the base 10; and a plate-like first term...  
WO/2020/249391A1
The invention relates to an on-load tap changer (1) for uninterrupted switching between winding taps (N1,...Nj,..., Nn) of a step transformer (2). The on-load tap changer (1) comprises a selector (3) and a load transfer switch (4). The l...  
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/2020/246126A1
A device comprising a gate pad, a source pad and a passive actuator arranged to form a reversible mechanical and electrical connection between the gate pad and the source pad only if the temperature in the passive actuator exceeds a thre...  
WO/2020/242458A1
A hardware product for creating a light ring and a dead front effect. The product may include a housing with an opening. The hardware product may also include a button positioned within the opening and configured to be depressed by a use...  
WO/2020/242524A1
An apparatus includes an electrical switch (202) that includes (i) multiple first electrical contacts (206, 208) and (ii) a second electrical contact (210) configured to bridge the first electrical contacts in order to form at least one ...  
WO/2020/240909A1
Provided are: a detection switch capable of preventing the intrusion of foreign substances through an opening provided for the movement of a lever; and a printer. The present invention is provided with: a main body (51) having an openi...  
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/2020/239467A1
The present invention relates to a cooling apparatus for a medium voltage or high voltage switchgear, the cooling apparatus comprising: - an evaporator section; - a fluid conduit; and - a condenser section. The evaporator section is conf...  
WO/2020/242801A1
A system for thermionic arc extinction via anode ion depletion. The system includes a fixed terminal end including at least a fixed conductor containing at least a fixed contact. The system includes a moveable terminal end including at l...  
WO/2020/239600A1
The invention relates to a switch (30) for a hand-held power tool (10) or as a component of a hand-held power tool (10), which has an electric drive motor (16) that can be switched by the switch (30). The switch (30) has a switch housing...  
WO/2020/241659A1
According to the present invention, a switching converter 130 has an input line that receives a DC voltage VIN, and an output line connected to a smoothing capacitor 102. A switch MC2 and an inrush current prevention resistor 104 are pro...  
WO/2020/236656A1
A utility meter includes an electrical conductor portion, a service switch, and a heat sink. The electrical conductor portion provides electrical communication between a supply line terminal and a load line terminal, and the supply line ...  
WO/2020/236726A1
A circuit breaker includes an electromechanical switch, a current sensor, a voltage sensor, and a processor. The electromechanical switch is serially connected between a line input terminal and a load output terminal of the circuit break...  
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/2020/237187A1
An electrical switch with identifying features. Embodiments include an electrical switch that comprises a rocker that is pivotable between a first position and a second position such that the electrical circuit is energized when the rock...  
WO/2020/233983A1
The invention relates to an explosion-proof housing (10), preferably of the protection class "flameproof enclosure", the housing (10) having a plurality of preferably cast wall modules (16a-h).  
WO/2020/229125A1
The invention relates to a method for carrying out a switchover of equipment (20). The equipment (20) comprises at least one first switching means (17), which can be an on-load tap changer, and/or at least one second switching means (18)...  
WO/2020/229131A1
The invention relates to a switch assembly containing a switch (17) and a servo drive system for the switch (17). The servo drive system has a motor (12) for driving the switch (17), a power section (11) for supplying energy to the motor...  
WO/2020/229121A1
The invention relates to a switch assembly (1) comprising a switch (17) and a servo drive system (2) for the switch (17). The servo drive system (2) has a motor (14) for driving the on-load tap changer (17), a power section (11) for supp...  
WO/2020/229127A1
The invention relates to a method for carrying out a switchover of a first switching means (17) or at least one second switching means (18, 19) for equipment (20). The method is characterized by the following steps: - a control unit (10)...  
WO/2020/229239A1
The invention relates to a system for protecting an electrical source or an electrical load, having a module comprising an input and an output, and an electronic safety device for the load that can be connected to the source. The module ...  
WO/2020/230033A1
The invention relates to a circuit for controlling light sources for a luminous garment, such as footwear, jackets, trousers, caps, belts. The circuit comprises an electric power source, such as a battery, a processor, one or more light ...  
WO/2020/232275A1
A remote control device may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may include a control unit and a base that may be configured to be m...  
WO/2020/216461A1
The invention relates to a spring unit including mechanical spring means (1) having a spring direction and being located between a first spring support (2) and a second spring support (3), which first (2) and second (3) spring supports a...  
WO/2020/218057A1
According to the present invention, an operation unit (5) of a connection device (1) is in contact with an elastic member (4) in a connection state at a first position. The operation unit (5) is pushed into a second position below the fi...  
WO/2020/218977A1
The purpose of the invention is to create a small and simple switch assembly, which should on one hand be capable to withstand long-term repeating induction-related influences as well as dynamic current loads i.e. variations of the elect...  
WO/2020/219467A1
The disclosure relates to a valve having: an actuator; a valve position indicator coupled to the actuator, wherein the valve position indicator includes: an indicator cover mounted over an indicator mounting surface, wherein the indicato...  
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/2020/213049A1
This self-illuminating manipulation element, that is, a pad (20) has: a pad body (21) that has a manipulation surface (22) having partitioned light-emitting sections (25) with predetermined shapes, a light-receiving surface (23) having a...  
WO/2020/213328A1
Provided are: a changeover switch having a connection terminal which has sufficient strength; and a method for manufacturing a connection terminal having sufficient strength. This changeover switch includes a holding part and a connect...  
WO/2020/211114A1
An input flash detection circuit and a flash switch control system, the input flash detection circuit comprising a zero-crossing comparison module, an output resistor, a discharge capacitor, an isolation optocoupler and a switch detectio...  
WO/2020/212406A1
A waterproof electric switch assembly comprising a closed compartment and an electric switch (10) housed inside said closed compartment, the electric switch (10) having connected thereto cables (16) coming out of the compartment which is...  

Matches 1 - 50 out of 38,203