Abstract: The present disclosure provides insulating covers for mounting brackets used to secure arrester assemblies to transformers. The purpose of the insulating cover is to protect wildlife from electric shock, and to prevent power interruptions on high voltage distribution lines caused by the bridging of high voltage circuits by wildlife.

Abstract: The present invention relates to a material comprising reduced graphene oxide, wherein the degree of reduction of the graphene oxide exhibits a spatial variation so that the material exhibits a gradient in the electric conductivity and/or permittivity. The material can for example be used in an electric device for purposes of field grading and/or dissipation of charges. Examples of electric devices wherein the material is beneficial includes cable accessories, bushings, power cables, microelectronics, switchgear, etc. The invention further relates to a method of producing a material for electrical applications. The method comprises treating different parts of a graphene oxide element differently, so as to achieve a different degree of reduction of the graphene oxide within the element, resulting in a sample having a gradient in the electrical conductivity and/or permittivity.

Abstract: A resistor includes a resistive element, a protective film, and a pair of electrodes. The resistive element is made of a metal plate. The protective film is formed on the upper surface of the resistive element. The plated layers are formed to cover the electrodes. The electrodes are separated from each other with the protective film therebetween and are formed at both ends of the upper surface of the resistive element. The electrodes are formed by printing metal-containing paste.

Abstract: Provided are a metal nitride material for a thermistor, which has a high heat resistance and a high reliability and can be directly deposited on a film or the like without firing, a method for producing the same, and a film type thermistor sensor. The metal nitride material for a thermistor consists of a metal nitride represented by the general formula: VxAly(N1-wOw)z (where 0.70?y/(x+y)?0.98, 0.45?z?0.55, 0<w?0.35, and x+y+z=1), wherein the crystal structure thereof is a hexagonal wurtzite-type single phase. The method for producing the metal nitride material for a thermistor includes a deposition step of performing film deposition by reactive sputtering in a nitrogen and oxygen-containing atmosphere using a V—Al alloy sputtering target.

Abstract: Magnetic cores and method and fixtures for forming the same are disclosed. The magnetic core may comprise a magnetic body including magnetic grains and a magnetic flux path, the magnetic grains aligned in a plurality of distinct directional alignments to conform to the magnetic flux path. The grain orientation of the cores may be provided by fixtures including electrical circuits and/or permanent magnets. The fixtures may be configured to produce magnetic fields that approximate, mimic, or correspond to a magnetic flux path in the magnetic core, once it is consolidated and in use. The magnetic fields may orient the grains of the magnetic core when they are in an unconsolidated state, such that the grains are aligned in a plurality of directional alignments that approximate, mimic, or correspond to a magnetic flux path in the magnetic core.

Abstract: Provided is a grain-oriented electric steel sheet having superior magnetic property and to a grain-oriented electric steel sheet including 2.0 to 4.5 weight % of Si, 0.001 to 0.10 weight % of C, 0.010 weight % or lower of Al, 0.08 weight % or lower of Mn, 0.005 weight % or lower of N, 0.002 to 0.050 weight % of S, the remainder being Fe and other unavoidable impurities. The steel sheet having been subjected to secondary recrystallization using at least any one of grain boundary-segregated elementary S and an FeS precipitate as a grain growth inhibitor.

Abstract: There is provided a magnetic rubber composition comprising a rubber (A), a thermosetting resin (B) and a magnetic powder (C), wherein a mass ratio (A/B) of the rubber (A) to the thermosetting resin (B) is 0.2 to 5, and a mass ratio [C/(A+B)] of the magnetic powder (C) to the total mass of the rubber (A) and the thermosetting resin (B) is 0.5 to 20. It gives a magnetic rubber molded article excellent in flexibility and abrasion resistance, and a magnetic encoder produced therewith.

Abstract: An amorphous ribbon assembly component for use with an amorphous metallic transformer core. The assembly component comprising a first collection of pre-annealed amorphous metal ribbons, and an amount of a first stacking material provided between a first amorphous metal ribbon in the first collection of pre-annealed amorphous metal ribbons and a second amorphous metal ribbon in the first collection of pre-annealed amorphous metal ribbons. The second amorphous metal ribbon residing adjacent the first amorphous metal ribbon. The amount of the stacking material defines a predefined stacking factor of an overall stacking height defined by the assembly component. The assembly component may comprise a transformer yoke portion, such as a transformer upper yoke portion.

Abstract: A grain-oriented electrical steel sheet subjected to magnetic domain refining by linearly introducing strains in a direction intersecting a rolling direction of the steel sheet repeatedly with intervals in the rolling direction, wherein if a repeating interval of the strains in the rolling direction is d (mm) and, when the steel sheet is placed on a flat surface, a mean value of difference between a height from the flat surface in linear strain-introduced areas of a steel sheet surface and a height from the flat surface in intermediate points between adjacent linear strain-introduced areas is h (mm), then the ratio h/d of the h to the d is 0.0025 or more and 0.015 or less.

Abstract: The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal re-production. In particular, the invention relates to magnetic-field-generating devices which produce positively curved magnetic field lines in a concave fashion. The invention also relates to the use of these magnetic-field-generating devices for producing optical effect layers OEL which exhibit the optical impression of a positive rolling bar effect and to processes using these magnetic-field-generating devices, e.g. in the field of document security.

Abstract: The waveform signal output device includes: a signal output unit that reads waveform data recorded in a memory and outputs a waveform signal for driving the solenoid valve according to a waveform renewal signal; a waveform generation unit that generates waveform data for driving the solenoid valve using vehicle driving information and requests renewal of a waveform by outputting the waveform data; a waveform distortion determination unit that compares a time point when the renewal of a waveform is requested and a preset communication prohibition section and determines a possibility of distortion of the waveform signal; and a driving command unit that renews waveform data of the memory using the waveform data generated by the waveform generation unit and outputs a waveform renewal signal if it is determined that there is no possibility of distortion.

Abstract: A device such a coil where each electrical conductors material are enclosed by a magnetic metals/materials in goal to all the magnetic field generated make a closed loop through a core, be amplified and oriented in wished direction. The coil using this manufacturing method is destined to stators, rotors for axial, radial rotating or linear electric motors, transformers and all devices that generate a magnetic field (non-exhaustive list).

Abstract: Embodiments disclosed herein include systems and methods for mounting electrical components in electrical systems. In one example, there is provided a heat-generating electrical component and base assembly configured to be secured to a component wall. The assembly comprises a base including an upper portion having a recess and a lower portion having a floating electrical connector, a heat-generating electrical component secured in the recess of the base and including an electrical lead in electrical communication with the floating electrical connector, and a gasket circumscribing a perimeter of the lower portion.

Abstract: The present disclosure relates to non-planar inductive electrical elements in semiconductor package lead frames. A non-planar inductive element is formed from a lead frame in a semiconductor package. The semiconductor package also includes at least one semiconductor die coupled to the lead frame. The non-planar inductive element could be formed by deforming portions of a patterned planar lead frame blank to form the non-planar inductive element in a deformed lead frame blank. The deformed lead frame blank and the at least one semiconductor die could then be packaged into a semiconductor package. A setting tool could be used to deform the lead frame blank. A configurable lead frame blank could be configurable into any of a variety of inductive elements, through interconnection of lead frame segments using wire bonds, for example.

Abstract: A common mode choke coil includes a laminated-type coil that has high breakdown voltage reliability. Coil conductors and a coil conductor for a secondary coil are laminated so as to be respectively interposed between, coil conductors for a primary coil, two coil conductors connected to each other by an inner circumferential side via hole conductor and two coil conductors connected by an inner circumferential side via hole conductor. Meanwhile, in the primary coil, an outer circumferential side via hole conductor is provided so as to pass through only one insulation layer, and accordingly, a length of the outer circumferential side via hole conductor in an axis line direction thereof is reduced. As a result, an amount of conductive material used for the outer circumferential side via hole conductor that diffuses during firing can be reduced, and a drop in a thickness of the insulation layers can be suppressed.

Abstract: A circuit includes a dielectric layer, a first via residing in the dielectric layer, a second via residing in the dielectric layer, and an inductor. The inductor includes a first inductor element and a second inductor element. The first inductor element is formed by a first transmission line including a plurality of segments defined between a first end and a second end thereof. The second inductor element is formed by a second transmission line including a plurality of segments defined between a first end and a second end thereof. A first port is defined by one segment of the plurality of segments of the second transmission line, wherein current flows in the inductor in the same direction from a second port defined at the first end of the first transmission line to the first port, and from the first port to a third port defined at the second via.

Abstract: A coil is provided at a multilayer body including insulating layers stacked on one another. The coil includes linear conductors connected by via conductors to make a looped track when viewed from a layer stacking direction. The linear conductors include a first linear conductor contacting with an external electrode provided on the surface of the multilayer body, and a second linear conductor forming a half of the looped track. The first linear conductor includes a coil portion forming a part of the looped track. The second linear conductor is adjacent to the first linear conductor with one of the insulating layers in-between, and a first end of the second linear conductor is connected to a first end of the first linear conductor by a first via conductor. A second end of the second linear conductor does not overlap the first linear conductor when viewed from the layer stacking direction.

Abstract: Disclosed herein is a coil component that includes: a drum core that includes first and second flange portions having wire connection portions and a winding core portion located between the first and second flange portions; a coated conductive wire that is wound around the winding core portion, each end of the coated conductive wire being connected to respective one of the wire connection portions; and a resin coating layer that covers at least the coated conductive wire located in a first layer in the winding core portion.

Abstract: A method and apparatus for providing welding type power supply includes a power circuit and a control circuit. The power circuit receives input power and provides welding type power to a welding output. The power circuit includes a transformer having a primary winding and a secondary winding. The secondary winding is in electrical communication with the welding output. The control circuit is connected to control the power circuit. The transformer includes a bobbin with the primary winding and the secondary winding wound thereon. The bobbin can includes vents to allow air flow into the bobbin. A winding separator can be disposed between the primary and secondary windings.

Abstract: A magnetic element includes a bobbin assembly, at least one pancake winding assembly, a winding coil assembly and a magnetic core assembly. The bobbin assembly includes plural bobbin units. The plural bobbin units are detachably coupled with each other. Each bobbin unit includes a main body, a coupling structure and at least one engaging structure. The main body includes an external surface, a channel and a first winding section. The coupling structure is disposed on the external surface of the main body. The engaging structure of the bobbin unit is engaged with the engaging structure of an adjacent bobbin unit. The pancake winding assembly is disposed around the main body and coupled with the corresponding coupling structure. The winding coil assembly is wound around the first winding section. The magnetic core assembly is partially accommodated within the channel of the bobbin unit.

Abstract: An improved compact twin-shaft bobbin structure includes penetrating first and second center through-holes on first and second bobbins, respectively. First and second winding slot groups having a plurality of adjacent respective first and second winding slots are provided on the outer peripheral sides of the first and second center through-holes, respectively. First and second receiving recesses laterally extend from ends of the first and second center through-hole, respectively. First and second pin groups and an opening are provided on ends of the first and second receiving recesses, respectively. Two clamping slots are provided on the top and bottom of the second winding slot group, respectively. A shield in the shape of an “n” is provided on one side of the second bobbin. The shield includes bent flanges along two edges thereof. The two flanges are inserted into the two clamping slots, respectively to fasten the shield to the second bobbin.

Abstract: The stationary induction apparatus includes: a static induction device main body; a tank accommodating the static induction device main body along with an insulating material; an upper stay for reinforcement and a lower stay for reinforcement provided on at least upper part and lower part of an outer surface of the tank; and a sound insulating board provided between the upper stay and the lower stay. The sound insulating board is connected to the upper stay at its one end via a first support member, and to the lower stay at another end via a second support member. The first support member is entirely joined to the upper stay, and the second support member is entirely joined to the lower stay. The sound insulating board is partially joined respectively to the first support member and to the second support member.

Abstract: Provided is a stationary induction apparatus capable of sufficiently decreasing noise and preventing rainwater and dust from entering between welded portions even when using a method of mounting a sound insulating board between an upper stay and a lower stay. The stationary induction apparatus of the present invention includes a stationary induction apparatus main body, a tank, an upper stay and a lower stay, and a sound insulating board. The tank houses the stationary induction apparatus main body and an insulating material. Each of the upper stay and the lower stay is provided respectively, at least at each of an upper portion and a lower portion of an outer surface of the tank. The sound insulating board is disposed between the upper stay and the lower stay. The sound insulating board is partially weld-joined, at each of both ends, with a supporting member, and a sealing material is provided at an outer periphery of a welded portion of the sound insulating board.

Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers; and first and second internal electrodes having at least one of the dielectric layers interposed therebetween. Each of the first internal electrodes includes a first electrode plate and a first lead connected to the first electrode plate, the first lead being exposed to a first surface of the ceramic body and having a bent shape. Each of the second internal electrodes includes a second electrode plate and a second lead connected to the second electrode plate, the second lead being exposed to a second surface of the ceramic body and having a bent shape. A portion of the first lead overlaps the second electrode plate, and a portion of the second lead overlaps the first electrode plate.

Abstract: A multilayer electronic component includes a ceramic body including a plurality of dielectric layers, a plurality of capacitor parts disposed in the ceramic body, including a plurality of internal electrodes alternately exposed to both end surfaces of the ceramic body in a length direction of the ceramic body, and having different capacitances, and first and second external electrodes formed on both end surfaces of the ceramic body in the length direction of the ceramic body and connected to the plurality of internal electrodes, wherein the plurality of capacitor parts include three or more capacitor parts and connected in parallel with each other.

Abstract: Solder-repellent portions are each arranged so as to extend over all or substantially all of a portion of a corresponding one of outer electrodes provided on a corresponding one of end surfaces of a monolithic ceramic electronic component and partially on portions of the outer electrode provided over two side surfaces of the monolithic ceramic electronic component. When the monolithic ceramic electronic component is mounted on the circuit board, solder does not adhere to the end surfaces and portions of the outer electrode provided on portions of the two side surfaces. Thus, expansion and contraction that occur as a result of application of an AC voltage is not transmitted or is not significantly transmitted to the circuit board. Consequently, vibrations of the circuit board are significantly reduced or prevented.

Abstract: A composite electronic component includes a composite body in which a multilayer ceramic capacitor and a ceramic electronic component are coupled to each other. The multilayer ceramic capacitor includes a first ceramic body comprising dielectric layers and internal electrodes, the internal electrodes having at least one of the dielectric layers interposed therebetween; and first and second external electrodes disposed on first and second end portions of the first ceramic body. The ceramic electronic component includes a second ceramic body coupled to a lower portion of the multilayer ceramic capacitor and made of ceramic; and first and second terminal electrodes disposed on first and second end portions of the second ceramic body and connected to the first and second external electrodes, and the multilayer ceramic capacitor and the ceramic electronic component have different lengths.

Abstract: The present invention achieves a proper balance among multiple constituent bias resistors of a variable-capacitance circuit by using different resistance values for resistors located at specific positions and the other resistors, thereby reducing a response time while sufficiently blocking an alternating-current component. This variable-capacitance circuit is a variable-capacitance circuit for which variable-capacitance components (C1-C4), the capacitances of which change in accordance with a control voltage, are connected in series between terminals to which an alternating-current signal is applied, and multiple bias application paths for applying a bias voltage to each of the variable-capacitance components via resistance components (R1-R5) are formed, wherein, among resistance components (R1-R5), resistance components (R1, R5) connected to the terminals, to which the alternating current is applied, have different resistance values from the resistance values of the other resistance components (R2-R4).

Abstract: A tantalum capacitor includes a capacitor body; a tantalum wire disposed on a surface of the capacitor body; an encapsulant part enclosing the capacitor body and the tantalum wire; an anode lead frame connected to the tantalum wire and exposed to an outer surface of the encapsulant part; and a cathode lead frame disposed on a surface of the capacitor body and exposed to the outer surface of the encapsulant part. The anode lead frame includes a plating part connected to the tantalum wire and an electrode plate connected to the plating part and exposed to the outer surface of the encapsulant part.

Abstract: A tantalum capacitor includes a capacitor body; a tantalum wire disposed on a surface of the capacitor body; an encapsulant part enclosing the capacitor body and the tantalum wire; an anode lead frame connected to the tantalum wire and exposed to an outer surface of the encapsulant part; and a cathode lead frame disposed on a surface of the capacitor body and exposed to the outer surface of the encapsulant part. The anode lead frame includes a pillow head part connected to the tantalum wire and an electrode plate connected to the pillow head part and exposed to the outer surface of the encapsulant part, and the pillow head part includes an etched surface.

Abstract: A tantalum capacitor includes a capacitor body; a tantalum wire protruding from one surface of the capacitor body; a molded part enclosing the capacitor body and the tantalum wire; an anode lead frame connected to the tantalum wire and exposed to an outer surface of the molded part; and a cathode lead frame disposed on an outer surface of the capacitor body and exposed to the outer surface of the molded part. The anode lead frame includes a bend portion.

Abstract: A solid electrolytic capacitor that contains a capacitor element including an anode body, a dielectric layer, and solid electrolyte is provided. The capacitor element also includes an anode lead (e.g., wire, tape, etc.) that is electrically connected to the anode body. A first portion of the anode lead is embedded within the anode body, while a second portion of the anode lead extends from the anode body in a longitudinal direction. Contrary to conventional capacitors in which the exposed portion of the anode lead is supported by a complex and bulky lead frame assembly, there is no lead frame present in the capacitor of the present disclosure. Thus, the volumetric efficiency of the finished capacitor can be increased. An assembly containing a matrix of multiple solid electrolytic capacitor elements is also provided, as is a method for forming a matrix that comprises multiple solid electrolytic capacitor elements.

Abstract: A photoelectric conversion element includes a first electrode which has a porous layer provided on a conductive support and a photosensitive layer having a light absorber on a surface of the porous layer, a second electrode which is opposed to the first electrode, and a solid hole transport layer which is provided between the first electrode and the second electrode. The light absorber includes a compound having a perovskite crystal structure having a cation of a group I element of the periodic table or a cation of a cationic organic group A, a cation of a metal atom M other than the group I elements of the periodic table, and an anion of an anionic atom X, and the porous layer contains at least one of insulating material. A solar cell includes this photoelectric conversion element.

Abstract: An object of the present invention is to provide a dye-sensitized solar cell that can exhibit high electrical power corresponding to high photoelectric conversion efficiency. Provided is a dye-sensitized solar cell in which a photoelectrode and a counter electrode are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a titanium material and a titanium oxide layer containing a dye sensitizing agent formed on the titanium material; (2) the counter electrode comprising a transparent conductive glass or transparent conductive film coated with an electrochemical-reduction catalyst layer; and (3) a light-concentrating device being disposed on the counter electrode side.

Abstract: The present application is directed to energy storage materials and devices, e.g. ion capacitors such as Li-ion capacitors, that employ more than one carbon-based electrodes comprising carbons with enhanced purity levels, e.g. below 500 ppm, wherein the carbon based electrodes have different properties, such as different surface areas, and/or different capability to intercalate vs. surface absorb electrolyte ions.

Abstract: Disclosed is a block supercapacitor, including two or more unit cells configured such that electrodes having a layered structure are disposed to face each other in an in-plane structure, wherein the two or more unit cells comprises an electrode arranged adjacent to each other respectively and the electrodes adjacent to each other are connected in series. As the unit cells are connected in series, a high-voltage supercapacitor can be provided.

Abstract: Supercapacitors are important on-chip micro-power sources for microelectronics. In addition to their ultra-fast charge and discharge rate, excellent stability, long cycle life and very high power density, supercapacitors based on graphene have garnered substantial attention in recent years due to their significant improvement in energy density. Disclosed herein are designs for parallel arrays of carbon electrodes that have interdigitated current collectors. Low-cost, high throughput methods of manufacturing that use printing processes are also disclosed.

Abstract: The invention relates to a module including assemblies for storing electrical energy, and to a tool and a method for producing such a module, said method comprising the positioning of at least one electroconductive strip on the assemblies, the position of the at least one strip being pre-determined in relation to at least one reference plane. The invention also relates to a tool allowing the production of said module. Said tool comprises elements allowing the elements (capacitors) to be held against each other while the connection strips are welded to the elements.

Abstract: A ceramic electronic component includes a ceramic body, a glass coating layer, and an electrode terminal. The ceramic body includes a plurality of internal electrodes whose ends are exposed on the surface of the ceramic body. The glass coating layer covers a portion of the ceramic body on which the internal electrodes are exposed. The electrode terminal is provided directly on the glass coating layer. The electrode terminal includes a plating film. The glass coating layer is made of a glass medium in which metal powder particles are dispersed. The metal powder particles define conduction paths that electrically connect the internal electrodes with the electrode terminal.

Abstract: The invention relates to a selector switch (1) for tap-changing transformers. The selector switch (1) has a tap selector (37) in the oil tank (18) of said selector switch (1). In accordance with the invention, two separate zero contacts (73, 74) belong to each phase (L1, L2, L3) to be switched by the tap selector (37). The zero contacts (73, 74) are each arranged on a wall (17) of the oil tank (18) and reach through the wall (17). The invention also relates to a support arm (62) of a tap selector (37) of a selector switch (1). The support arm (62) has a first lateral rib (65) and a second lateral rib (66) and at least one web-like elevation (67) extending along a length (L) of the support arm (62) is formed between the first lateral rib (65) and the second lateral rib (66).

Abstract: A tattoo gun switch assembly for replacing a foot switch for a tattoo gun includes a grip structured to have a cylindrical shape to be coupled to a tattoo gun. A switch is coupled to the grip to be accessible to a user. Thus, the switch replaces a foot switch.

Abstract: A switch device may have a restriction member provided between a support portion and a fixed contact point portion of a polar board for restricting movement of a movable piece to the polar board. The restriction member may have a set height from the polar board such that the restriction member abuts on the movable where the fixed contact point reaches a predetermined height from the polar board due to wear. The movable piece may be supported by the support portion to be displaceable in the longitudinal direction such that when one side of the movable piece makes contact with the first fixed contact point, in a case where the restriction member makes contact with the movable piece, the movable piece may be displaced in the longitudinal direction on a basis of the contact position with the restriction member to be disconnected from the first fixed contact point.

Abstract: A method is disclosed for improving the production of electrical switch contacts, in particular for vacuum tubes. In the method, an electrical or electromagnetic field assists and/or effects a sintering process. In the method, the sintering process takes place on a metallic carrier, and via the method, semi-finished contact elements for electrical switch contacts, contact elements for electrical switch contacts, and/or electrical switch contacts, in particular for vacuum tubes, are produced.

Abstract: The invention proposes a key tappet for a key module of a key for a keyboard. The key tappet comprises a coupling section for coupling a key button and a guiding section for guiding the key tappet in a receiving section of the key module upon actuation of the key tappet. The guiding section has at least one sliding section to slide in the receiving section of the key module during the actuation of the key tappet. Demolding fins caused by demolding of the key tappet are arranged outside the at least one sliding section.

Abstract: A framework part of a relay and a relay. An inner hollow portion and peripheral windows are formed by the framework. The windows are communicated with the exterior of the framework and the hollow portion. At least one group of contactors that can correspondingly contact are accommodated in the hollow portion. An arc gap is formed between the contactors that can correspondingly contact. The windows are aligned with the arc gap from an outer side. A main body of the framework is a hollowed injection molding framework, and has multiple windows that are aligned with the arc gap from the outer side, so that, under the precondition of ensuring the structural strength, materials can be reduced and the cost can be reduced. The windows can be used for installing functional components such as magnetic steel, a resistant act clip or an arcing and are extinguishing piece.

Abstract: Conventional example is arranged simply to turn a circuit on/off, and not to changeover connection. Sealed relay 1 comprises: insulating tube 2; first relay connect portion 4 attached to one end of insulating tube 2, and provided with first contact 3 on inside surface; second relay connect portion 5 disposed in confrontation with first relay connect portion 4 in insulating tube 2; movable member 7 disposed movably between first and second relay connect portions 4 and 5, and provided with second contact 6 contacting with first contact 3 when moved toward the first relay connect portion; and operating mechanism to move the movable member. Third relay connect portion 10 including third contact 9 is provided between the second and first relay connect portions. Movable member 7 includes a fourth contact contacting with the third contact when the first and second contacts are out of contact from each other.

Abstract: The invention relates to a load selector (1), comprising: a load transfer switch insert (14) having a switching tube (15) that can be rotated about an axis (A); at least one switching segment (25) fastened to the switching tube (15); and at least two vacuum interrupters (33, 34). The vacuum interrupters (33, 34) are arranged in the at least one switching segment (25). Each vacuum interrupter (33) has a movable contact in the direction of the axis (A) of the switching tube (15), which movable contact interacts with an actuating lever (45) at a free end (331) of the movable contact. According to the invention, the vacuum interrupters (33, 34) are arranged in alternately opposite directions in such a way that the movable contacts of the at least two vacuum interrupters (33, 34) can be moved in alternately opposite directions with respect to the axis (A).

Abstract: A gas circuit breaker including a pair of main contacts is openable inside an insulating tank. A pair of arc contacts is arranged on the inner side of the main contacts, and a puffer cylinder has the main contacts and the arc contacts at an end. A puffer chamber is formed inside the puffer cylinder, and a puffer piston is provided on the inner periphery of the puffer cylinder. An insulating nozzle part is mounted on an end of the puffer cylinder to surround the arc contact. The insulating nozzle part includes a split nozzle base part and a split nozzle end part, and the split nozzle base part has a throat part.

Abstract: In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions.

Abstract: In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact.