Abstract: An electromechanical system for an electrical switching device includes an energizing coil assembly having a first coil and a second coil each generating a magnetic field in response to an energizing current and a magnetic system providing a magnetic flux path passing along a plurality of magnetic flux lines of the magnetic field generated by the energizing coil assembly. The magnetic system includes a first pole member arranged on an upper side of the first coil, a second pole member arranged on an upper side of the second coil, and a rotation member arranged between the first pole member and the second pole member. The rotation member has a first lobe and a second lobe executing a rotation motion around a central axis. Magnetic field lines generated by the coils are directed toward the lobes and produce a resultant magnetic force that rotates the lobes toward the pole members.

Abstract: An operation mechanism includes a magnet; a first movable plate formed of a magnetic material and connected to one pole of the magnet; and a second movable plate formed of a magnetic material and connected to another pole of the magnet, wherein, while the first movable plate is not being operated, the second movable plate is at a return position that overlaps the first movable plate, and wherein, while the first movable plate is being operated, the first movable plate pushes down a middle portion of the second movable plate, such that the middle portion of the second movable plate remains in contact with the first movable plate and the second movable plate is tilted, so as to cause a free end of the second movable plate to be separated from the first movable plate.

Abstract: An electromagnetic relay includes a drive shaft, a drive device, a movable piece, a first fixed terminal, and a second fixed terminal. The drive shaft is movable in a moving direction. The drive shaft extends in the moving direction. The drive device moves the drive shaft in the moving direction. The movable piece includes a center portion connected to the drive shaft. The movable piece extends in a longitudinal direction. The first fixed terminal and the second fixed terminal face the movable piece. The movable piece includes a first contact portion and a second contact portion. The first contact portion contacts the first fixed terminal. The second contact portion contacts the second fixed terminal. The first contact portion is disposed eccentrically with respect to a center line of the movable piece. The center line of the movable piece extends in the longitudinal direction through the center portion.

Abstract: A worker is prevented from being hindered. A safety switch includes a switch body including an electromagnet and an actuator attracted to the electromagnet. The switch body includes a drive control unit and a safety control unit which control the safety switch, and the drive control unit and the safety control unit are surrounded by a housing. The housing is arranged on a back surface side of the electromagnet of the switch body, and the housing forms an accommodating portion that accommodates the drive control unit and the safety control unit.

Abstract: The present invention discloses a magnetic positioning holder for positioning a cylindrical storage container, comprising a main body and two magnetic strips. The main body features two guide surfaces on one side in the thickness direction, each adjacent to one of the sides of the main body, wherein each guide surface is concave toward the other side of the main body in the thickness direction to from an arc. Each magnetic strip is embedded in the main body and corresponds to each guide surface along the thickness direction of the main body. The distance between each magnetic strip and its corresponding guide surface, defined as the magnetic attraction distance, decreases from each width side toward the central part of the main body along the width direction. Thus, the storage container can be guided to move toward the central part of the main body in the width direction and positioned.

Abstract: A device is provided for the automated manufacture of screw connections. A jointed arm robot has an output element and an end link. The output element is arranged on the end link so as to be rotatable around an effector axis (wE). A screwdriving tool is rotatable around the effector axis (wE) by the output element. The device features at least one transmission operatively connected to the output element and the screwdriving tool, and transmits a speed between the output element and the screwdriving tool.

Abstract: An electromagnetic relay includes a case, a contact device, and an electromagnet device. The contact device includes a fixed contact and a movable contact piece including a movable contact. The electromagnet device is configured to drive the contact device. The electromagnet device is housed in the case. The electromagnet device includes a yoke. The yoke includes an extending portion extending to outside the case. The yoke is secured to the case via the extending portion.

Abstract: An electromagnetic relay includes a contact device; a driving device including a coil, a spool, and first and second yokes; and a coil terminal. The second yoke, which is attached to the first yoke, includes a first side portion, a second side portion, a center portion extending therebetween, and a notch. The center portion of the second yoke is disposed between the contact device and the spool. The notch is located in the first side portion of the second yoke, at a position closer to the contact device than to the portion of the first side portion in contact with the first yoke. The coil terminal extends out of the electromagnetic relay via the notch.

Abstract: Apparatus forming an arc-free hybrid relay having an air gap when in the off state. The apparatus comprises a first relay coupled to a second relay, and having a semiconductor switch arranged to temporarily shunt current around the second relay.

Abstract: To suppress an increase in DC resistance due to surface roughening in a coil component including a spiral pattern. A coil component manufacturing method includes: a first step of forming a conductor layer including a spiral pattern spirally wound in a plurality of turns; a second step of selectively roughening an upper surface and an upper region of a peripheral-direction side surface of the spiral pattern; and a third step of forming an insulating resin layer so as to embed therein the conductor layer, and the first to third steps are repeatedly performed. Since the upper surface and the upper region of the side surface of the spiral pattern are selectively roughened, it is possible to suppress an increase in DC resistance due to excessive roughening at the lower region of the side surface.

Abstract: Various implementations disclosed herein include a surface mountable haptic actuator that includes a housing defining an interior chamber and a movable magnetic weight structure suspended within the interior chamber by a flexible member. The surface mountable haptic actuator further includes a stationary conductive coil positioned within the interior chamber proximate the movable magnetic weight structure and a plurality of conductive terminals extending through the housing and in electrical contact with the conductive coil.

Abstract: A safety switch that has a lock function using an electromagnet and a member to be magnetized is downsized. The safety switch includes: a detection unit that detects that a movable actuator is within a predetermined range; a safety signal output unit that outputs a safety signal based on a detection result obtained by the detection unit; an electromagnet; a lock input unit that receives a lock instruction for locking movement of the actuator; a drive control unit that drives the electromagnet based on the lock instruction received via the lock input unit; and an attachment portion which is formed on the electromagnet and fixes a switch body to an installation place of the switch body.

Abstract: A rotor shaft for a rotor of an electric machine is provided. The rotor shaft includes a hollow shaft extending along an axial direction that is rotatably mounted about an axis of rotation, which delimits a hollow shaft interior that can be flowed through by a coolant. Further, the rotor shaft includes a sensor device arranged in the hollow shaft interior for determining a current rotary position or/and current rotational speed of the hollow shaft.

Abstract: An electromagnetic device includes a first member having a first end face, a second member having a second end face facing the first end face through an air gap, and a coil wound around one of the first member and the second member. Each of the first member and the second member is formed from a laminated body of a plurality of steel plates, and a magnetic circuit formed from the first member and the second member includes a changing part at which a lamination direction of the laminated body changes at a right angle to generate a magnetic flux along a plane direction of each of the plurality of steel plates.

Abstract: Disclosed is a switching device having an electromagnetic actuation device for driving a movable contact, which actuation device has an excitation coil for generating a magnetic field, a magnetic yoke for amplifying the flux density of the magnetic field, and a magnet armature which can be pulled from a starting position to a pulled position by the magnetic field and which is connected to the movable contact. The actuation device includes a locking element which at least partly consists of a ferromagnetic material and is arranged such that by virtue of the effect of the magnetic field, the locking element is brought from the unlocking position to the locking position. The magnetic yoke is designed to have a discontinuity when the locking element is in the locking position, and the discontinuity of the magnetic yoke is closed by the locking element when the locking element is in the unlocking position.

Abstract: A bobbin for a solenoid. The bobbin includes a main body for receiving wire windings of a wire, wherein the main body extends hollow-cylindrically along an axial direction and has a wall having a wall thickness, wherein at least one opening is formed in the wall, wherein the wall thickness becomes smaller along the axial direction toward the opening, and/or wherein the geometric shape of the opening is designed to vary along the axial direction, at least in sections. A solenoid having such a bobbin and at least one wire winding, is also described.

Abstract: An R-T-B based permanent magnet includes rare earth elements, transition metal elements, boron, and M. An amount of boron is within a range between 0.90 mass % or more and 1.00 mass % or less. An amount of carbon is within a range between 0 mass % or more and 0.10 mass % or less, an amount of oxygen is within a range between 0 mass % or more and 0.15 mass % or less, an amount of nitrogen is within a range between 0 mass % or more and 0.15 mass % or less, an amount of M is within a range between 0.30 mass % or more and 1.50 mass % or less, an amount of the rare earth elements based on mass represented by TRE is within a range between 29.00 mass % or more and 31.00 mass % or less, and a value represented by Pr/TRE is within a range between 0.30 or larger and 0.50 or smaller.

Abstract: A High Temperature Superconductor, HTS, magnet comprising a coil formed of nested concentric windings. Each winding comprises HTS material. The HTS magnet further comprises a conductor element comprising an electrical contact surface through which to supply electric current to a portion of at least one of the windings. The surface provides electrical contact between the conductor element and an axial edge of the coil substantially around the path of the at least one of the windings.

Abstract: Magnetic coupling devices are disclosed which may be configured in at least three states. The various states may be provided through one or more of altering a position of a permanent magnet relative to another permanent magnet and altering a current level in a coil surrounding a permanent magnet.

Abstract: Provided is a drive motor having a slim BLDC motor vertically mounted in a housing and a swivel actuator using same. A swivel actuator includes: a cylindrical housing where a hollow cylindrical portion protrudes from a bottom of a center thereof and first and second step portions protrude from an inner side wall thereof; a drive motor arranged on the bottom surface of the housing and providing rotational power to a rotor support extending upward; a cylindrical first worm gear integrally formed on the outer circumference of the rotor support; and first and second three-stage gear mechanisms coupled to opposite outer circumferences of the first worm gear, and rotating a rotating table with increased torque by reducing a rotation speed of the first worm gear.