Abstract: A stator assembly includes a stator core including teeth, which are formed along an inner circumferential surface of the stator core, extend from one surface of the stator core to an opposite surface of the stator core, and have through holes formed through one surfaces of the teeth, respectively, a plurality of hairpins, each hairpin coupled to and connected with a slot formed between the teeth facing each other and forming form a coil winding, and a heat radiating device including a first heat radiating member provided at one side of the one surface of the stator core to discharge heat of the hairpin to an outside, such that the hairpin is cooled.

Abstract: A stator for a rotary electric machine includes a stator core and a stator winding. The stator core includes a core inner-peripheral portion including slots. The stator winding includes a phase winding including segment conductors. The phase winding includes parallel conductors connected in series. Each parallel conductor includes ones of the segment conductors connected in parallel. The segment conductors include weld end portions protruding from the slots, bent in circumferential directions of the stator core, and welded to one another to constitute conductor joint portions. The weld end portions include weld end portions which protrude from each of the slots and which include first and second weld end portions. The first and second weld end portions are bent in the circumferential directions. The second weld end portions are smaller in number than the first weld end portions.

Abstract: An electrical contact device includes a high electric potential-side contact and a low electric potential-side contact having a lower electric potential than the high electric potential-side contact. The high electric potential-side contact and the low electric potential-side contact are configured to be brought into and out of contact with each other. At least one of the high electric potential-side contact and the low electric potential-side contact is formed of a low-boiling point material whose boiling point is lower than 2562° C. or a mixed material that contains the low-boiling point material.

Abstract: A haptic transducer is provided, comprising a motor including a yoke, an inner cavity formed by the yoke, and a magnet assembly disposed within the inner cavity; a diaphragm disposed above the magnet assembly; a suspension extending concentrically around the diaphragm and having an inner edge attached to the diaphragm and an outer edge attached to the yoke; a cylindrical coil coupled to the diaphragm and suspended within the inner cavity around the magnet assembly; a first hole extending through the motor; and a second hole axially aligned with the first hole and extending through the diaphragm, a fastener extending through the first hole into the second hole. A footplate system is also provided, comprising a footplate configured for placement in a piece of footwear; a moving motor transducer configured to transfer haptic sensations to the footplate; and a top fastener configured to secure the haptic transducer to the footplate.

Abstract: A canned motor device includes a casing, a rear cover and a leak detector. The rear cover has a main body portion having a cover end wall, and an extended disk portion cooperating with the main body portion to define an accommodating space. The casing and the rear cover cooperatively define an annular groove, a liquid-receiving space and a plurality of guiding grooves therebetween. The leak detector is disposed on one side of the cover end wall opposite to the liquid-receiving space for detecting a change in electrostatic capacity between the leak detector and the liquid-receiving space. The annular groove communicates with the liquid-receiving space, the accommodating space and each of the guiding grooves.

Abstract: A stator assembly for an electrical machine comprises an annular core extending around an axis (X) and comprising a plurality of axially extending slots. A plurality of electrical windings are arranged in the slots and have end portions arranged at the axial ends of the core. A cooling jacket at least partially extends around a radially outer surface of the core. At least one annular cooling plate is mounted to an axial end of the cooling jacket and arranged in thermal contact with the end portions of the electrical windings.

Abstract: A motor includes a commutator, a brush, a first spring, a second spring, and a holder. The brush is configured to come into contact with the commutator to be electrically connected to the commutator. The first spring is configured to push the brush along the first direction toward the commutator. The second spring pushes the brush along a second direction intersecting the first direction. The holder is disposed such that the brush is located between the holder and the second spring in the second direction. The holder holds the brush between the holder and the second spring.

Abstract: The disclosure relates to a method for designing a stator segment for a stator of an m-phase synchronous reluctance machine with concentrated windings, the stator being divided into a stator segment or a plurality of stator segments and comprising a ferromagnetic base body with peripherally distributed tooth structures and a winding system mounted in the base body, which comprises, per stator segment, z tooth structures and a number of winding phases (U, V, W) corresponding to the number of phases m, each of said winding phases comprising a series connection and/or a parallel connection of a plurality of the concentrated windings, a rotor of the synchronous reluctance machine comprising a pole number p in a peripheral section corresponding to the stator segment.

Abstract: A cooling structure for a rotary electric machine includes: a plurality of cooling holes provided such that the cooling holes penetrate from an outer peripheral surface of a stator core to respective slots; a refrigerant supply mechanism configured to supply liquid refrigerant to supply cooling holes among the cooling holes, the supply cooling holes being configured such that radially outer ends of the supply cooling holes are placed above radially inner ends of the supply cooling holes in the gravitational direction; and a refrigerant guide provided between a rotor and a stator and configured to catch the liquid refrigerant falling down from the radially inner ends of the supply cooling holes through their corresponding slots and to guide the liquid refrigerant to slots placed on the lower side in the gravitational direction among the slots.

Abstract: A stator has a stator core composed of teeth and slots. Segment coils are inserted into the corresponding slots. The segment coil projecting from the slot has an exposed conductor part and a covered conductor part covered with an electrical insulation film. The exposed conductor part is arranged at the distal end side from the covered conductor part of the segment coil. The segment coils are connected together through the exposed conductor parts thereof projecting from the slots. The exposed conductor part has a thickness T2 thinner than a thickness T1 of the covered conductor part. A step part is formed at a position of the stator core side, adjacent to the exposed conductor part of the segment coil. The step part and the covered conductor part are covered with the electrical insulation film continuously from the stator core side of the covered conductor part.

Abstract: An unenclosed electric traction machine has a stator built up from a stator laminated core, and a rotor shaft with a rotor, mounted on the latter, built up from a rotor laminated core, wherein the stator laminated core is arranged between two outer pressing plates, and at least one bearing shield, which in each case has a bearing for the rotor shaft. Along a section of the periphery of the stator laminated core, and spaced apart from the stator laminated core, at least one cover, designed as a tension bar between the pressing plates, is arranged between the pressing plates so as to form at least one cooling box, with a base on the surface of the stator laminated core, wherein the at least one intermediate space between the base and the at least one cover of the cooling box is designed for the routing of a cooling fluid.

Abstract: Disclosed herein are a stator and a method for manufacturing the same. The stator according to embodiments of the present disclosure includes an insulating part and a plurality of stator coils each having two ends electrically connected to form one joint portion. The insulating part is configured to cover at least respective parts of the joint portions, and to provide a distance between neighboring joint portions. Accordingly, a partial discharge caused by a surge between the joint portions of the stator coils may be prevented, allowing operational reliability of the stator to be increased.

Abstract: A processing system includes a housing having an interior chamber and a central vertical axis extending through the interior chamber. A rotor is disposed within the housing interior chamber and is configured to support one or more work pieces. At least one lift actuator is configured to linearly displace the rotor along the central vertical axis between a lower, inactive vertical position and an upper, transfer vertical position. At least one levitation actuator is spaced above the rotor and is configured to exert a magnetic pulling force on the rotor to levitate the rotor upwardly from the transfer vertical position to a working vertical position. Further, an annular stator assembly is coupled with the housing, is disposed about and spaced radially outwardly from the rotor and includes a motor stator, the at least one lift actuator being configured to vertically displace the rotor relative to the stator assembly.

Abstract: A method of producing an electromagnetic mat for forming a stator or rotor component of an electric machine. The electromagnetic mat has structural fibre lengths and a plurality of winding fibre lengths for forming a winding fibre that is in a winding pattern for forming one or more windings of the electric machine. The electromagnetic mat is formed by forming a support structure with the structural fibre lengths and inserting the winding fibre lengths into the support structure so that the winding fibre lengths extend across the structural fibre lengths and the structural fibre lengths lock the winding fibre lengths in position.

Abstract: An element includes a pair of electrodes, an intermediate layer between the pair of electrodes, and at least one insulator layer between the pair of electrodes. The intermediate layer contains a silicon compound including unpaired electrons as a material. The intermediate layer is deformable.

Abstract: One embodiment relates to a stator unit and a motor comprising same, the stator unit comprising: a stator core; a coil wound around the stator core; and an insulator disposed between the stator core and the coil, wherein the stator core comprises a support part, and a coil winding part disposed on both side surfaces of the support part so as to protrude therefrom, wherein the support part and the coil winding part are disposed so as to form a cross shape. Accordingly, a coil space factor may be increased by using the cross-shaped stator core.

Abstract: A stator core assembly for an axial flux electric motor for an automobile includes a cylindrical outer case that defines a central axis, first and second disk shaped insulate frames axially spaced from one another and positioned within the outer case, each of the first and second insulate frames including a circular outer ring, a circular inner ring and a plurality of radial spokes extending between the outer ring and the inner ring and spaced circumferentially about the central axis, and a plurality of segmented core sections extending axially between the first and second insulate frames spaced circumferentially around and supported by the first and second insulate frames, wherein, a radial spoke is positioned between each adjacent pair of segmented core sections, and at least one radial spoke extends across each axial end of each one of the plurality of segmented core sections.

Abstract: An indicator instrument for a vehicle includes a rotational indicator that indicates a vehicle state parameter, and a stepper motor that rotates the rotational indicator. The stepper motor includes an output gear, a reduction mechanism, a motor casing housing the output gear and the reduction mechanism. The output gear includes an output shaft rotatable together with the rotational indicator, and a last-stage gear extending radially outward from the output shaft. The reduction mechanism includes a reduction gear engaged with the last-stage gear. The rotational indicator includes a rotational shaft press-fitted to a specified portion of the output shaft in the motor casing. The specified portion is displaced from the last-stage gear in an axial direction of the output shaft.

Abstract: The present invention relates to an electromechanical battery comprising a single pole-pair Halbach array of permanent magnets incorporated into an annular flywheel, which together comprise a rotor assembly, a means for levitating the rotor assembly using a “double-lift” attractive magnetic levitator under active control, and a means for actively stabilizing the spinning rotor assembly by interaction with the fringe fields of the Halbach array.

Abstract: The present disclosure provides a rotary electric machine including a housing, a stator, a rotor, an outer cover and a plurality of power cables. The stator is disposed in the housing and includes a stator core, a plurality of windings, a circuit board and a plurality of conductive pillars. The plurality of windings are wound around the stator core. The circuit board is fixed on the top of the stator core. The plurality of conductive pillars are electrically coupled with the circuit board. The rotor includes and an end cover. The end cover is disposed between the outer cover and the housing. The plurality of conductive pillars partially penetrate through a notch of the end cover, respectively. Two ends of each of the plurality of power cables are electrically coupled with the corresponding one of the plurality of conductive pillars and a connector, respectively.