Abstract: A linear electromagnetic actuator has a stroke c, with at least one stable position in one of the ends of the stroke, and includes: an armature made of a soft magnetic material, the armature being movable in an axial direction Y and having a length Hm in the direction Y, the armature having a symmetrical shape at the axis Y, and a stationary stator yoke made of a soft magnetic material and holding at least one electric coil. The actuator also includes at least one stationary permanent magnet that is magnetized along a transverse axis X perpendicular to the direction Y. The magnet is transversely placed between the movable armature and the electric coil. The magnet has a length Ha in the direction Y. The stationary yoke and the movable armature define therebetween at least one axial air gap. Ha+c is of the order of magnitude of Hm. The length Hm is such that 0.9×(Ha+c)<Hm<1.

Abstract: An electromagnetic relay includes a base, an electromagnet block fixed to the base, an armature which reciprocates when the electromagnet block is switched between an excitation state and a non-excitation state, and a card which slides in association with the movement of the armature. The base includes a rail portion which guides the card upon sliding, and the card includes a slide portion which slides along the rail portion. The rail portion includes a stopper portion which prevents disengagement of the slide portion from the rail portion.

Abstract: The invention relates to a stator (10) and to a method for producing a stator (10) for an electric machine (12), comprising a stator body (34) which has radial stator teeth (14) for receiving sub-coils (17) of an electric winding (16). An insulating plate (40) with guide elements (44) for connection wires (30, 31) is arranged between the sub-coils (17) on an end face (39) of the stator body (34), and a separately produced wiring plate (52) is arranged axially over the insulating plate (40), said wiring plate having conductor elements (63) for electrically contacting the connection wires (30, 31) with customer-specific connection plugs (56) of a controller. The wiring plate (52) is supported directly on the end face (39) of the stator body (34) by means of spacers (84).

Abstract: An electric motor unit includes an electric motor and a connection module. The electric motor includes motor coils, a stator and a rotor. The electrical connection module includes a power feed bus bar and a neutral bus bar. The power feed bus bar includes power feed collars for each phase, in which terminal portions for each phase are arranged. The neutral bus bar includes a neutral collar in which neutral terminal portions are arranged. When viewed in a direction intersecting with a second cross section, which intersects with a first cross section containing all the neutral terminal portions, the minimum distance between a second cross-section neutral terminal row on the second cross section and a second cross-section power feed terminal row on the second cross section is greater than zero.

Abstract: A linear vibration generator in which a coil or a stator is fixed using a simple structure compared to a conventional technology. There is provided a linear vibration generator having advantages of a simplified assembly process and a low production cost by reducing the number of parts that form the inside of the vibration generation device through an improved bracket structure in which a protruding part functions as a central yoke. The protruding part can be easily fabricated by being pressed into a bracket using a press or deep drawing method, and a coil is fixed by a stable structure. There is an advantage of a low production cost.

Abstract: A superconducting magnet device with which device breakage caused by a quench can be avoided while helium consumption is reduced. A sheet-like convection-preventing member is disposed at least either above or below a heat transfer member transferring to gaseous helium heat transferred from the outside, so as to cover a helium gas release tube for the gaseous helium, and thus heat exchange performance during transportation is improved. In the case where the quench occurs, the convection-preventing member is lifted upward in the release tube, thereby ensuring to provide a flow path for the gaseous helium and avoiding excessive increase of the internal pressure.

Abstract: Provided are a small electronic component including: a magnetic core including at least a columnar core part; a winding coil arranged so as to surround an outer peripheral surface side of the columnar core part and formed by winding a winding wire; and a magnetic cover part formed so as to cover at least part of the magnetic core and the winding coil while following at least part of shapes of the magnetic core and the winding coil through use of a magnetic material containing a mixture of a phosphoric acid ester-based surfactant, magnetic powder, and a resin, an electronic circuit board using the small electronic component, and a method of manufacturing a small electronic component.

Abstract: A stator reducing a coil end height without interference between conductor segments and without damage to an insulating coating. Each conductor segment includes linear parts inserted in slots formed in a stator core and different in circumferential direction, inclined parts inclined and extending from respective end parts of the linear parts toward a center part so as to project toward the outside in an axis direction from an axis-direction end surface of the core, and a projecting curve part connecting apical ends of the inclined parts to each other and curves and projects toward the outside in the axis direction. Connection parts between the linear parts and the inclined parts and a curved part of the projecting curve part are all bent parts having the same bend radius of minimum R, which has a size equal to or more than a sheet width of a conductor strand.

Abstract: A device is provided that includes a core having a first end and a second end, and first and second wires wound around the core so as to cross each other on the core to form a cross point. The a winding structure of an ith turn of the first and second wires counting from the cross point toward the first end, and a winding structure of an ith turn of the first and second wires counting from the cross point toward the second end, are substantially symmetrical about the cross point.

Abstract: In an electromagnetically moving device 100, a magnetic-flux variation measuring unit 3 is placed at a position which is outside a closed magnetic path established when a movable core 6 and a stationary core 5 are being attached to each other due to permanent magnets 7, and at which a leakage magnetic-flux variation due to movement of the movable core 6 can be measured, so that a behavior of a movable part in a switch, etc. is estimated such that an inflection point time is calculated from the measurement of time-series data of the magnetic-flux variation.

Abstract: Disclosed are a rotor that is capable of more efficiently using magnetic flux from magnets and a motor including the same. The rotor includes a plurality of rotor cores, a plurality of magnets magnetized such that magnetic flux is formed in the circumferential direction, the magnets and the rotor cores being alternately arranged in the circumferential direction, a coupler connected to a shaft, and a rotor frame formed by injection molding, the rotor frame being integrally coupled to the rotor cores, the magnets, and the coupler, wherein each of the rotor cores includes a pole shoe for defining a gap between each of the rotor cores and a stator and a rotor core body having a depression formed in the side opposite to the pole shoe in the radial direction, and portions of side surfaces of corresponding ones of the magnets located at opposite sides of each of the rotor cores are exposed by the depression to define an aperture formed in the circumferential direction.

Abstract: The present invention relates to a sensing device (10) designed for being applied on a first flap (11) and on a second flap (12) of an opening (13) arranged in a wearable item (14). The sensing device (10) comprises: a triggering element (20) arranged on the first flap (11) of the opening (13) and comprising an activating component (23); a switch element (30) arranged on the second flap (12) of the opening (13) and comprising a sensing component (33); the sensing component (33) being designed for emitting an electrical output signal when it is put in a predetermined mutual position with respect to the activating component (23).

Abstract: A terminal block connection structure for a rotary electric machine includes: a plurality of power lines configured such that respective first end portions are joined to stator coils of a plurality of phases of the rotary electric machine; terminal metal fittings provided in respective second end portions of the plurality of power lines; a terminal block to which the terminal metal fittings are fixed by respective fastening members; and a resin member integrated with an end part of at least one of the terminal metal fittings relative on an opposite side to the power lines across its corresponding fastening member. The terminal block is configured such that a plurality of power-source lines is connected to the terminal block and the terminal metal fittings are fixed to the terminal block by the respective fastening members so that the plurality of power lines is connected to the plurality of power-source lines, respectively.

Abstract: A system that includes a cabinet and an accessory that is capable of being stored within a storage compartment of the cabinet. The cabinet may include a mirrored door having a ferromagnetic element. The accessory may include another ferromagnetic element. The accessory may be mounted to the door by magnetic attraction between the ferromagnetic elements. When the accessory is within the cabinet, it may be mounted to a charger so as to charge a power source of the accessory. In some embodiments, the accessory may be automatically transitioned into an active state when it is detected that the accessory is mounted to the door. The accessory may include a user-operated actuator that has a first functionality when the accessory is mounted to the door and a second functionality when the accessory is not mounted to the door.

Abstract: A stator manufacturing apparatus includes an insertion tool that is insertable into a stator core and being configured to dispose a pair of side parts of a stator coil in two holding grooves. A pressing tool has plate-like pushers arranged to correspond to the positions of the holding grooves. The pressing tool pushes out the side parts of the stator coils and inserts the side parts into the corresponding slots. A pair of shaping tools face coil end parts of the stator coils. A plurality of slits through which the pushers are insertable are provided in a principal surface of each shaping tool. A shaping tool moving unit shapes the coil end parts by pressing the pair of shaping tools in an axial direction with the pushers inserted in each of the corresponding holding grooves.

Abstract: This invention relates to a solenoid housing and to a method for providing a solenoid housing having the base, wall, center pole, and flange integrally connected as a single piece. The instant invention provides for mounting protrusions and window for electrical leads as an integral part of the housing and manufacturing process.

Abstract: A linear vibration motor for fixing a ring-shaped coil provided within the linear vibration motor using a simpler structure. A linear vibration motor in which an upper casing and a bracket are configured to have an integrated shape and fixed to the inside or upper side of the coil to form magnetism, thereby facilitating fabrication due to a simple structure, preventing a reduction of a vibration power through a small space, and minimizing a rise of a material cost. Accordingly, the coil within the internal space of the casing is stably fixed by providing a structure for fixing the coil through the simple process of the bracket itself. Furthermore, since parts forming the vibration motor and the linear vibration motor are integrated, an assembly process is simplified, performance is satisfied by realizing a reduced production cost, and a working process and price competitiveness is secured.

Abstract: An example includes a sickle-shaped magnet arrangement, for use in determining a rotational angle of a rotatable object and is configured to co-rotate with the rotatable object around a rotational axis, includes an inner circumferential surface having an inner radius that is based on an azimuthal coordinate of the sickle-shaped magnet arrangement, an outer circumferential surface having an outer radius that is based on the azimuthal coordinate of the sickle-shaped magnet arrangement, wherein at least the inner radius or the outer radius varies based on the azimuthal coordinate; and an axial thickness between a first end of the sickle-shaped magnet arrangement and a second end of the sickle-shaped magnet arrangement, wherein the inner circumferential surface and the outer circumferential surface form a first sickle-shaped portion and a second sickle-shaped portion, wherein the first sickle-shaped portion is diametrically opposite the second sickle-shaped portion, and wherein the first sickle-shaped portion is

Abstract: There are provided a chip electronic component and a board having the same. The chip electronic component includes: a substrate; a first internal coil part disposed on one surface of the substrate; a second internal coil part disposed on the other surface of the substrate opposing one surface thereof; a via penetrating through the substrate to connect the first and second internal coil parts to each other; and first and second via pads disposed on one surface and the other surface of the substrate, respectively, to cover the via, wherein the first and second via pads are extended in a direction toward portions of the first and second internal coil parts adjacent thereto.

Abstract: An improved solenoid having an enhanced magnetic field and failsafe operation is provided, wherein a primary winding and a secondary winding are constructed such that the combined force imparted on a plunger by both windings energized together is greater than the sum of the forces imparted by the primary and secondary windings energized separately, resulting in a smaller solenoid capable of providing a predetermined force, and providing a solenoid capable of tripping a circuit interrupting latch even if one of the windings is broken.