A haptic electromagnetic actuator for track pad is provided. The actuator includes an array of electromagnets with alternating South and North poles on a first end, each magnet comprising a metal core and an electrical wire around the metal core. The array of magnets is coupled to a base plate on a second end opposite to the first end. The actuator also includes an attraction plate at a distance from the first end of the array of the magnets such that the attraction plate moves toward the magnets when an electrical current flows through the electrical wire around the metal core and moves away from the magnets when the current becomes zero. The array of magnets is configured to form a uniform gap from the attraction plate.

An integrated transformer is disclosed. The integrated transformer includes a magnetic core situated in a first layer from among multiple layers of a semiconductor layer stack, a first conductor and a second conductor from among multiple conductors, and a via. The first conductor is situated within a second layer, above the first layer, from among the multiple layers of the semiconductor layer stack. The second conductor is situated within a third layer, below the first layer, from among the multiple layers of the semiconductor layer stack. The via physically and electrically connects the first conductor and the second conductor. The via, the first conductor, and the second conductor form a primary winding of the integrated transformer. The integrated transformer additionally includes a secondary winding, wrapped around the magnetic core, situated in the first layer, the second layer, and the third layer.

A viscous clutch includes an input member, an output member, a working chamber defined between the input member and the output member, a reservoir to hold a supply of a shear fluid, a valve that controls a flow of the shear fluid between the reservoir and the working chamber along a fluid circuit that fluidically connects the reservoir and the working chamber, a bearing, and an electromagnetic coil supported by the bearing. The electromagnetic coil includes a coil housing and a winding that forms multiple turns within an interior volume of the coil housing, wherein the coil housing has a stepped configuration to at least partially accommodate the bearing within a first step. Selective energization of the electromagnetic coil actuates the valve.

A method for manufacturing an electronic component is provided. The method includes: placing an air-core coil in a mold; placing a mixture of a metal magnetic material and a thermosetting resin into the mold so as to embed the air-core coil in the mixture; after placing the mixture, applying a pressure to the placed mixture so that a shape of the placed mixture conforms to the air-core coil and the mold; and after applying the pressure, heating the mixture at a predetermined temperature for a predetermined time so that the placed mixture is hardened, wherein a viscosity of the mixture is 1,000 to 1,000,000 mPa.Math.s at room temperature.

A current transformer assembly for harvesting power from a primary conductor, such as a power line, for operating electronics, where the assembly is secured to the conductor while the conductor is connected. The assembly includes a current transformer having a transformer structure with a central opening that accepts the primary conductor and a spindle member for accepting a current transformer magnetic tape operating as the core of the current transformer. The assembly also includes a tape carrier secured to the structure on which the transformer tape is wound, and a winding device operable to unwind the transformer tape from the tape carrier and wind the tape onto the spindle member.

A coil winding device includes a wire rod delivering machine configured to deliver a wire rod through a nozzle, a wire storing jig configured to store the wire rod delivered from the nozzle, a wire-wound member around which the wire rod is wound, a wire-wound-member rotation mechanism configured to rotate the wire-wound member to wind the wire rod delivered from the nozzle around the wire-wound member, and a wire-storing-jig turning mechanism configured to turn the wire storing jig around a rotation axis of the wire-wound member to wind the wire rod delivered from the wire storing jig around the wire-wound member. The rotation axis of the wire-wound member and a wire-storing central axis of the wire storing jig are mutually orthogonal.

An apparatus used in terminating and winding coils of a core of a dynamo electric machine. The coils being formed from at least an electric wire and the core having a longitudinal axis. The coils are wound by relatively moving a wire dispenser with respect to a core with relative motions of translation and rotation; at least a stretch of wire extends from the coil; and the stretch of wire is provided with a portion for a termination connection to a termination structure of the core, such as a tang. The method avoids waste cut wire in the apparatus. The core is provided with a groove at an end to receive at least a wire in the path of the wire for the termination of the coils. The apparatus comprises a wire deflector positioned adjacent the end of the core, where the groove is located, in order to intercept and align the wire with the groove. The apparatus can comprise a device for applying torques in two directions on a pulley wheel for feeding wire as a function of the position of the dispenser in the translation and the position of the core in the rotations.

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.

A method for manufacturing an electronic component is provided. The method includes placing a T-shaped core and an air-core coil in a mold, placing a mixture of a metal magnetic material and a thermosetting resin into the mold so as to embed the T-shaped core and the air-core coil in the mixture, applying pressure in a range of 0.1 to 20.0 kg/cm2 to the placed mixture so that a shape of the placed mixture conforms to the T-shaped core, the air-core coil, and the mold, and, after applying the pressure, heating the mixture at a predetermined temperature for a predetermined time so that the placed mixture is hardened.

A coil includes first and second coil elements both of which are formed by feeding one piece of a rectangular wire rod by a predetermined amount and winding rectangularly in an edgewise manner using winding heads, the first and second coil elements being wound in opposite directions from each other. A winding terminating end point of the first coil element is bent approximately 90 degrees in a direction opposite to a winding direction of the first coil element, and is connected to a winding terminating end point of the second coil element in a same flat plane. The second coil element includes an offset portion of the rectangular wire rod that is offset in a plan view from a side of the second coil element.