Abstract: A rotating electric machine 100 having a rotor 1, a stator 2, and a coil 3 including a coil conductor 31 wound around teeth 21b provided on at least one of the rotor 1 and the stator 2 includes a spacer section 42 configured to extend along a slot S formed between the teeth 21b and to be inserted between turns of the coil conductor 31 to define a gap G between the turns, and a cooling medium supply section 6 configured to distribute a cooling medium in the gap G. A notched section 421 cut out in such a manner that a widthwise dimension of the spacer section 42 is relatively short is provided in a middle of an extension of the spacer section 42.

Abstract: The motor includes a shaft fixed to a front surface side of a motor bracket; a rotor rotatably supported on the shaft; a stator wound with coils for generating a magnetic field to rotate the rotor; a substrate, a front surface of which mounted with a driver circuit for controlling magnetic field generation by the coils; a conductive driver case forming an accommodation space accommodating the substrate between itself and the motor bracket; a terminal disposed on a front surface side of the substrate facing the motor bracket and connecting the driver circuit and the coils; a conductive fixing member penetrating the substrate from a rear surface side and fixing the terminal in contact with the substrate; and an insulating driver insulator disposed on a rear surface side of the substrate to surround the fixing member, and protruding to a position closer to the driver case than the fixing member.

Abstract: A linear conveyor includes a linear motor stator including a stator including a core and a coil, and a magnetic sensor configured to detect a position of a slider. The linear conveyor further includes a magnetic shielding member arranged between the magnetic sensor and the linear motor stator and configured to shield magnetic flux from the linear motor stator toward the magnetic sensor.

Abstract: A substrate transferring apparatus including a non-contact type driving unit is provided. The substrate transferring apparatus comprises a stator assembly including a driving surface and an electromagnetic generating module, a first mover including a first magnet module facing the electromagnetic generating module and floating and moving on the driving surface, and including a first inclined surface, a second mover including a second magnet module facing the electromagnetic generating module and floating and moving on the driving surface, and including a second inclined surface, and a transfer member disposed between the first mover and the second mover and moving along the first inclined surface and the second inclined surface according to a distance between the first mover and the second mover.

Abstract: An actuator according to various embodiments of the present invention comprises: a stator including a bracket, a yoke located on the bracket, and a coil for encompassing the circumference of the yoke; a permanent magnet encompassing the circumference of the coil; a vibrator including a weight encompassing the circumference of the permanent magnet, and a plate for supporting the permanent magnet and the weight; an elastic member located between the bracket and the vibrator so as to support the vibrator; and a magnetic fluid which is located between the vibrator and the stator, and which provides damping stability when the vibrator vibrates, wherein the weight of the magnetic fluid can be between 0.24% to 0.71% on the basis of the weight of the vibrator. Other various embodiments are possible.

Abstract: An electric machine includes a stator rotatably supporting a rotor, the rotor includes a stacked rotor laminations forming a rotor core with cavities having magnets arranged in the cavities through at least two adjacent rotor laminations and parallel to a rotor central axis, each lamination including an outer edge having grooves or scallops arranged asymmetrically about the circumference to reduce torque ripple. At least one groove or scallop may be arranged along a q-axis and at least one groove or scallop may be arranged between a q-axis and a d-axis of the rotor core. The laminations may be substantially identical with a first group of laminations flipped or rotated about a diametric axis relative to a second group of laminations. An electrified vehicle includes an electric machine powered by a traction battery, the electric machine having a rotor core with stacked rotor laminations having a scalloped outer edge.

Abstract: An assembly for transferring electrical energy comprises a stator. A rotor is separated from the stator for relative rotation with respect to the stator. An axial gap is defined between the rotor and the stator. A transmitter is associated with or on the stator, where the transmitter is configured to transmit an alternating current (AC) wireless signal. An annular clamp comprises a first semi-elliptical portion and a second semi-elliptical portion that define an opening for receipt of the rotor. The annular clamp has fasteners to secure the first semi-elliptical portion to the second semi-elliptical portion about the rotor. A receiver is associated with of the annular clamp.

Abstract: The present invention provides a stator of a disc-type motor and a winding method thereof. A circle of coil units (20) filled into coil slots (1) are arranged on a disc-shaped stator disc (12); jumper wire slots (10), fly wire slots (3) and jumper wire joint holes (7) are formed in the radial outer sides of the coil slots (1); and the coils are wound, overlapped and filled into the coil slots in a disc shape and are connected with one another in series by connecting wires embedded into the stator disc (12) in the same current direction.

Abstract: A power generation element includes a first magnetostrictive plate and a second magnetostrictive plate each including a magnetostrictive material, a magnet unit including a magnet fixed to at least one of the first magnetostrictive plate or the second magnetostrictive plate, and a coil containing at least part of the first magnetostrictive plate and the second magnetostrictive plate therein, wherein the first magnetostrictive plate and the second magnetostrictive plate are laid out in such a manner that stresses applied to the first magnetostrictive plate and the second magnetostrictive plate are in opposite directions to each other, and the magnet unit is disposed in such a manner that magnetic fields applied to the first magnetostrictive plate and the second magnetostrictive plate are in opposite directions to each other.

Abstract: To provide a motor easily applied with frame ground in a simple configuration and capable of suppressing deformation of a connection terminal in contact with an external terminal connecting to an external device. A motor of the present application includes a metal member of a tubular shape having an opening portion and an inner peripheral surface forming the opening portion in an axial line x direction, a bracket including a tubular part disposed inside the opening portion, and a terminal provided at the bracket. The terminal includes a first portion connected to an external terminal connecting to an external device, and a second portion in contact with the metal member. The second portion is disposed between the inner peripheral surface of the metal member and an outer peripheral surface of the tubular part of the bracket.

Abstract: A power converting apparatus includes a converter circuit converting an alternating-current voltage output from an alternating-current power supply into a direct-current voltage. The converter circuit includes unit converters. The power converting apparatus generates a reference duty on the basis of detection values of a current detector and a voltage detector and generates, on the basis of a result of comparison between the reference duty and a carrier signal, a pulse-width modulation signal for controlling the switching element. In each of the unit converters, the pulse-width modulation signal has one pulse within a carrier period and has pulses for the number of phases within a leveling period, the leveling period being obtained by multiplying the carrier period by the number of phases. The pulses for the number of phases within the leveling period have phases all different from each other in the respective carrier periods.

Abstract: A rotor, motor and brushless motor are provided. This rotor (9) includes a rotor core (32), permanent magnets (33), and a protrusion (35) protruding radially outward between permanent magnets (33). The permanent magnets (33) has a parallel orientation in which the easy magnetization direction is parallel to the radial direction in the center of the permanent magnets (33). The circumferential side faces (33d) of the permanent magnets (33) contact the protrusion (35) in the circumferential direction. Connection surfaces (33e) of the permanent magnets (33) are connected to the circumferential side face (33d) and to the outer peripheral surface (33a) on the radial outer side. The front end (35t) of the protrusion (35) in the protrusion direction is arranged between the center (33g) of the circumferential side face (33d) in the protrusion direction and the crossing ridge portion (33h) where the circumferential side face (33d) and the connection surface (33e) cross.

Abstract: In a rotating magnetic field-variable pyramid energy cabin, shielding plate permanent magnets are disposed on inner surfaces of three triangular shielding plates forming a pyramid shape, to form a stable magnetic field in the triangular shielding plates. A top rotating magnet is disposed at a top of the triangular shielding plates. A bottom rotating magnet is disposed below a seat. The magnetic field in the triangular shielding plates is rotated, to enable a vortex in turbulence of magnetic lines of force to generate a torsion field. The torque of the torsion field changes the spin states of electrons and atomic cores in a hypoxic microfield in the body of a patient, to arrange the electrons and atomic cores in a uniform magnetic field direction. The magnetic actuation of the electrons and atomic cores can make the microfield environment serialized and orderly and increase the negentropy.

Abstract: Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (?) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient.

Abstract: A stator of an electric machine comprises a stator core structure (101) and a stator winding comprising a plurality of stator coils (102a-102f) mechanically supported by the stator core structure. Each stator coil comprises electrical conductors and a cooling tube (103) for conducting cooling fluid in the longitudinal direction of the electrical conductors. The stator comprises cooling elements (104a-104c) having heat-conductive mechanical contacts with the stator core structure. The cooling elements comprise channels for conducting the cooling fluid, and the cooling tubes of the stator coils are connected to each other via the cooling elements. The cooling elements transfer heat caused by iron losses from the stator core structure to the cooling fluid. Furthermore, the cooling elements act as manifolds for conducting the cooling fluid between the cooling tubes of the stator coils.

Abstract: A motor rotor apparatus includes a rotor core and a bonding element embedded in the rotor core. The rotor core includes a first air sub-groove, and the first air sub-groove includes a first tooth and a first slot. The bonding element includes a second tooth and a second slot. The first tooth is engaged with the second tooth, and the first slot is engaged with the second slot.

Abstract: A drive module for a vehicle including an electric machine, an inverter, a gearing assembly, and a cooling system. A first housing member thermally coupled with the inverter has a first set of heat exchange surfaces and a second housing member thermally coupled with the electric machine has a second set of heat exchange surfaces. The first and second sets of heat exchange surfaces each project into an interior volume cooled by an externally supplied liquid coolant which thereby defines a heat exchanger. A lower oil sump for collecting oil used to cool the electric machine may also include heat exchange surfaces projecting into the same heat exchanger. The gearbox may include an elevated oil sump which is supplied by the same oil pump circulating oil on the electric machine wherein the elevated oil sump gravity feeds oil onto selected surfaces within the gearbox.

Abstract: An electric work machine includes: a motor having a rotor disposed in an interior of a stator and being rotatable about a rotational axis; and an output shaft, on which a tool accessory is mountable and which is configured to be driven using motive power output from the motor. The stator includes: a stator core; a coil wound on a portion of the stator core; and a fusing terminal disposed more inward in a radial direction of the stator core than the coil and being connected to the coil.

Abstract: A method for producing a stator includes the steps of: providing a stator, which has one or more windings and a winding head, the winding head having one or more cable ends; positioning a phase connection assembly by way of a retaining element on the winding head, the phase connection assembly having at least one cable element; connecting the at least one cable element to a corresponding cable end of the winding head; and removing the retaining element.

Abstract: A compressor includes a rotor that is fixed to a shaft, a stator that rotates the rotor about an axis of rotation, and a compressor part that compresses a refrigerant by the shaft rotating, wherein the rotor has a rotor core in which a refrigerant hole is formed, a first magnet that is embedded in the rotor core, and a second magnet that is embedded in the rotor core, an interior wall surface of the refrigerant hole includes a first portion that is formed on a side close to the first magnet, a second portion that is formed on a side close to the second magnet, and a magnet-side intermediate interior wall surface portion that is formed between the first portion and the second portion, and the magnet-side intermediate interior wall surface portion is closer to the axis of rotation than the first portion and the second portion.