Abstract: An electromagnetic relay includes a fixed contact having a fixed contact plate and a fixed contact point mounted to the fixed contact plate, a movable contact having a movable contact plate and a movable contact point mounted to the movable contact plate, and an electromagnet device configured to move the movable contact so as to bring the movable contact point in contact with the fixed contact point, wherein a contact plate that is at least one of the fixed contact plate and the movable contact plate has a contact area, the contact area being thinner than other areas of the contact plate and having a penetrating hole formed therethrough, and the contact point of the contact plate has a head and a shaft, and wherein while the shaft is placed in the penetrating hole such that the head is mounted on a first surface of the contact area, an end of the shaft is deformed with a force at a second surface opposite the first surface to mount the contact point to the contact plate.

Abstract: An electrical switch comprising a solenoid assembly including a core casing having a first bearing site and a bearing bush having a second bearing site, an armature movably borne in a switching direction at the first bearing site, and an armature shaft fixed to and movable with the armature and movably borne in the switching direction at the second bearing site.

Abstract: This superconducting magnet includes: a superconducting coil that is formed by winding a first superconducting wire rod; a second superconducting wire rod, which is disposed by being thermally in contact with and electrically insulated from the superconducting coil, and which has a superconducting transition temperature that is lower than that of the first superconducting wire rod; voltage terminals that are disposed at a plurality of areas of the second superconducting wire rod; a voltmeter connected to the voltage terminals; and a switch circuit connected to the voltmeter. The switch circuit interrupts a current when receiving an output from the voltmeter, the current being one that is to be supplied to the superconducting coil.

Abstract: A linear actuator (20, 20?, 20?) comprises a plunger receptacle (22); a coil (24); a magnetic plunger (26); a magnetic base (28); a return spring (30); and a lock spring (32, 32?). The coil (24) is wound about at least a portion of an exterior surface of the plunger receptacle (22). The magnetic plunger (26) is at least partially disposed within a cavity at least partially formed by an interior surface of the plunger receptacle (22) for linear motion along a plunger axis (34). The magnetic base (28) is radially disposed relative to the plunger (26). The return spring (30) is disposed to bias the plunger (26) to a plunger extended position. The lock spring (32, 32?) is configured and oriented to lock the plunger (26) in the plunger extended position when power is not applied to the coil (24) but to be attracted to the magnetic base (28) and thereby permit movement of the plunger (26) to a plunger retracted position when the power is applied to the coil (24).

Abstract: A rotating dual break point contact includes a rotor support, a first shaft, a second shaft, a third shaft, a first connection rod, a second connection rod, a contact bridge and a contact spring. The contact bridge is provided in the rotor support, and the contact bridge rotates relative to the rotor support by means of the first shaft, the second shaft, the third shaft, the first connection rod and the second connection rod. The contact bridge rotates between an initial pressure position and a maximum repulsion position. A single contact spring is mounted on one side of the contact bridge and is located in the rotor support.

Abstract: A switching device for opening and closing an electrical line, including: two fixed contact terminals separated from one another, an operating member, comprising a contact piece, at least one flexible strip comprising at least one end part attached to a fixed support, the flexible strip or strips being adapted to exert a return force on the contact piece to return it from its closed position to its open position in the absence of a motive force on the operating member, the operating member comprising two electrically insulating pusher arms, spaced apart from one another and each attached to an end part of the contact piece; each flexible strip comprising two other end parts, each attached to one of the two push arms or to a part of the operating member that is itself attached to, or forms an integral part of, one of the pusher arms.

Abstract: An electrical switchgear for fast limitation and interruption of fault currents includes a fixed electrode, a movable electrode having a contact portion and a repelling portion, a plurality of contact fingers, and a coil. The coil is arranged adjacent to the repelling portion to induce eddy currents therein, the coil and the fixed electrode being arranged on the same side of the movable electrode, and the repelling portion being movable relative to the coil. The coil has a first dimension between two of its opposite lateral ends and defines an area which corresponds to a majority of a surface area of the repelling portion. The repelling portion provides a continuous current path, having a dimension corresponding to the first dimension, for eddy currents induced by the coil, whereby the movable electrode is pivotally thrown in a direction away from the coil and the fixed electrode, thus providing a circuit trip.

Abstract: Disclosed is multipolar power contactor with an electromagnetic drive having an armature, and at least two movable contacts arranged next to one another and connected to the armature. The armature is movable from an open position, where the movable contacts and the fixed contacts are not in contact with one another, into a closed position where the movable contacts come into contact with the fixed contacts. Each movable contact and a corresponding fixed contact, is assigned an arc quenching device, and a plasma barrier having a first and a second barrier is provided between the two movable contacts, whereby one of the two barriers is connected to the armature and the other of the two barriers to a stationary part of the power contactor. The first and the second barrier overlap with one another at least partially in each position of the armature between the open and the closed positions.

Abstract: A dipole-magnet system and method for producing high-magnetic-fields, including an open-region located in a radially-central-region to allow particle-beam transport and other uses, low-temperature-superconducting-coils comprised of low-temperature-superconducting-wire located in radially-outward-regions to generate high magnetic-fields, high-temperature-superconducting-coils comprised of high-temperature-superconducting-tape located in radially-inward-regions to generate even higher magnetic-fields and to reduce erroneous fields, support-structures to support the coils against large Lorentz-forces, a liquid-helium-system to cool the coils, and electrical-contacts to allow electric-current into and out of the coils. The high-temperature-superconducting-tape may be comprised of bismuth-strontium-calcium-copper-oxide or rare-earth-metal, barium-copper-oxide (ReBCO) where the rare-earth-metal may be yttrium, samarium, neodymium, or gadolinium.

Abstract: A touch sensor is associated with a housing that is adapted for attachment to the outer perimeter of a fluid conduit. The housing can be attached to the fluid conduit such that the touch sensor can detect the presence of fluid within the fluid conduit. The output of the touch sensor can be used by an indicator or processor.

Abstract: A system for storing electrical energy generated by an external energy source that includes a ring for storing kinetic energy of rotation, an assembly a control system, and at least two motors/generators. The assembly includes a plurality of independent supports, each releasably attachable to a levitation electromagnet such that pole faces of the levitation electromagnet oppose a top protruding surface of a levitation rail of the ring and each releasably attachable to a centering electromagnet such that pole faces of the centering electromagnet oppose a surface of the centering rail of the ring. The control system supplies current to each levitation electromagnet to generate vertical forces to levitate and vertically stabilize the ring and to each centering electromagnet to generate radial forces to center and horizontally stabilize the ring.

Abstract: The invention pertains to a float switch apparatus for use in activating one or a series of pumps. The float switch apparatus has particular use in combination with sump pump vessels. The apparatus includes an electrical chamber which is sealed from the vessel atmosphere and contains at least one switch controlling the activation of at least one pump, configured to pump liquid from the vessel. Within the electrical chamber there is a magnetic activation device which slides vertically along one wall of the chamber. On the opposing side of the chamber there is a magnetic coupling head which couples to the activation device magnetically through the coupling wall. The coupling head is mounted on top of a float rod having a float mechanism at the bottom thereof. The entire float switch apparatus is mounted in the vessel such that when the water reaches a predetermined level the float moves the float rod vertically and thus the coupling head is moved vertically.

Abstract: An enclosure is for a slot motor of an electrical switching apparatus. The slot motor includes a number of U-shaped laminations. The enclosure includes a first member and a second member coupled to the first member to form a U-shaped enclosed region for the U-shaped laminations.

Abstract: An electrical relay device includes a housing extending between a closed end and an open end defining a chamber. The closed end of the housing faces and is mounted to a circuit board. A driver is received in the chamber and is electrically connected to a relay power source. The driver includes a coil and coil terminals terminated to the circuit board. A switch member is positioned in the chamber and moves between a first position and a second position. The switch member includes a movable relay contact. A cover is coupled to the housing at the open end. The cover holds the coil with the movable relay contact positioned between the coil and the closed end of the housing facing the circuit board.

Abstract: A push pin actuator apparatus is provided. The push pin actuator apparatus includes a housing, a wire coil arranged within the housing and arranged around a first armature and a second armature. The first armature is coupled to a first push pin and the second armature is coupled to a second push pin. The push pin actuator apparatus further includes a first permanent magnet and a second permanent magnet. A first spring and a second spring are arranged within the housing. The first spring engages the first armature and the second spring engages the second armature. The first push pin is actuated in response to a current being applied to the wire coil in a first direction, and the second push pin is actuated in response to a current being applied to the wire coil in a second direction opposite to the first direction.

Abstract: An electromagnetic actuating apparatus having an armature unit (14) which can move along an axial direction (10) in response to current applied to a stationary coil unit and designed to interact with an actuating partner, wherein the coil unit has a winding (22) with which a connection contact (26) can make contact. The coil unit is accommodated in a housing (12) which surrounds the coil unit at least in sections. The coil unit has an electrical connection for connecting the connection contact to a plug section (18, 20) on the housing. The connection contact (26), together with a flat end section (30) of the electrical connection, which is oriented parallel to the connection contact and is permanently connected to the connection contact, extends at least in sections parallel to the axial direction (10) or is angled out of a position of extent in this direction after connection, wherein the housing end region is axially opposite a housing outlet for the armature unit (14).

Abstract: The present invention relates to a magnet, which comprises a body and a slide that is movably arranged inside a cavity of the body. The slide that comprises a permanent magnet is moved relative to the body by transferring a medium into and out of the cavity. The invention also relates to a method for handling metal sheets.

Abstract: A magnetic switch includes: a housing; a cylinder coupled to an inner side of the housing; a stationary contact arm coupled to the housing; a movable contact arm positioned to be movable within the housing and brought into contact with the stationary contact arm or separated therefrom; a coil assembly installed within the housing and configured to form a magnetic field when a current is applied thereto; a movable shaft coupled to the movable contact arm in an upper portion thereof; a fixed core inserted into the cylinder and surrounding the movable shaft; and movable cores fixed to the movable shaft and configured to press the movable shaft by a magnetic field formed by the coil assembly to move the movable shaft.

Abstract: A relay device comprises a base, a pin, and an outer cap. A gap is arranged at a peripheral of the base. The pin has a convex plate and assembled to the gap of the base and one end thereof is protruded from the gap. The convex plate is covered/shielded the gap. The outer cap includes a receiving groove. A notch of the receiving groove is covered the base and the pin. A paste is applied among the peripheral of the base, the convex plate of the pin, and the notch of the receiving groove for fastening. The gap arranged at the peripheral of the base is providing the pin for assembling without directional limitation and advantageous to once assembly of the base and the pin in an automatic machine so as to simplify the manufacturing process of the relay device.

Abstract: The present disclosure relates to a solenoid of an electromagnetic valve where the number of processes can be reduced and breaking of a conductive wire can be suppressed in a simple structure, and the solenoid of the electromagnetic valve according to the present disclosure comprises a conductive wire; a bobbin having a tubular winding portion where the conductive wire is wound around in a coil shape and a flange portion disposed on both end portions of the winding portion; a terminal portion which is disposed on the flange portion and protrudes in a planar shape in a direction perpendicular to the central axis of the bobbin on a radially outer side than the winding portion relative to the central axis, and in which two terminals are provided on a distal end portion side; and two wall portions which are disposed on both sides of the terminal portion in a width direction, stand upright in a central axis direction and face each other, wherein both end portions of the conductive wire are drawn out from the bobbi