Abstract: A stator coil includes a coil group of coils of three phases of a U-phase, a V-phase and a W-phase, each including a plurality of straight portions inserted into slots of a stator core, the coil group being folded back in a state where input terminals and midpoint terminals are closely arranged, so that forward portions and backward portions of the plurality of straight portions are laminated, and the input terminals and the midpoint terminals of the respective three-phase coils are alternately arranged in a length direction of the stator coil.

Abstract: A stator for an electric machine comprises a cylindrical core defining an inner cylindrical surface and an outer cylindrical surface with a plurality of slots formed between the inner cylindrical surface and the outer cylindrical surface. Windings are positioned on the cylindrical core. The leads of the windings include a plurality of inner leads associated with conductors in an inner layer of the slots and a plurality of outer leads associated with conductors in an outer layer of the slots. A bus bar assembly includes a plurality of inner bus bars and a plurality of outer bus bars, the plurality of inner bus bars connected to the plurality of inner leads, and the plurality of outer bus bars connected to the plurality of outer leads. The plurality of outer bus bars are positioned radially outward from the end turns of the windings and radially inward from the outer cylindrical surface.

Abstract: The present disclosure discloses a linear motor having a housing with an receiving space, a vibration unit and a stator unit received in the receiving space. The vibrator unit includes a weight and an elastic member fixed to the weight. The elastic member includes a first fixation portion fixed to the housing and a second fixation portion fixed to the weight and an elastic portion. An elastic member having a groove penetrating thereon is sandwiched between the elastic portion and the weight. The elastic member includes a first damping portion and a second damping portion arranged on two opposite side f the groove along a vibration direction. The groove can effectively avoid the detachment of the elastic member from the elastic member and the weight, thus improving the vibration stability of the vibration motor.

Abstract: An aircraft interior unit with a detachable panel. The aircraft interior unit comprises a wall comprising a hollow panel, and a door mounted to the wall. The door is slidable between a closed position in which it covers an entrance to the aircraft interior unit, and an open position in which the entrance to the aircraft interior unit is uncovered. In the open position, the door is at least partially disposed within the hollow panel of the wall. The hollow panel can be detached from the rest of the aircraft interior unit, and the door, when moved from the open position, can be detached from the wall.

Abstract: An electric drive motor has a permanent magnet rotor with a motor shaft on which a permanent magnet carrier is fastened. A first axial end portion of the motor shaft has a seat for an impeller and the permanent magnet carrier carries at least one permanent magnet at a second axial end portion of the motor shaft. The permanent magnet carrier is pot-shaped with a pot base portion, fastened to the second axial end portion and extending radially to the motor shaft, and a circular cylinder wall portion directly adjoining the outer periphery of the pot base portion and coaxially surrounding the motor shaft. The pot base portion and the circular cylinder wall portion have an at least approximately identical or exactly identical wall thickness. There is also described a wet-rotor pump and a household appliance with such an electric drive motor.

Abstract: A power generation device includes a housing, chambers, and conductive fillers. The housing has a rotation axis. The chambers surround the rotation axis and located inside the housing. The conductive fillers respectively filled in the chambers. The chambers include electrodes. The electrodes are located on the chambers and in contact with the conductive fillers.

Abstract: A material comprises at least one layer of a plurality of domains, each domain being flattened in a first direction and elongated in a second direction normal to the first direction. The flattened and elongated domains define an anisotropic microstructure that facilitates a magnetic flux flow in the second direction.

Abstract: A linear transport system includes: a stator module including an iron core that includes a plurality of teeth and a coil wound around the iron core; a movable element that includes a plurality of identical magnets disposed on a side surface parallel to a moving direction, and is propelled by an electromagnetic force from the coil; and a motor drive control device that controls the movable element by supplying an independent current of single-phase AC individually to the coil included in the stator module. When Lm is a magnet pitch that is a pitch of the magnets disposed in the movable element, and Lt is a tooth pitch that is a pitch of the teeth, 1.3?Lm/Lt?1.4 is satisfied.

Abstract: A rotor of an electrical rotating device includes a rotor core, plural permanent magnets mounted on an outer circumference of the rotor core, a retaining sleeve that holds the permanent magnets from their outer side, a cooling fluid flow channel formed on each surface of the permanent magnets on a side of the retaining sleeve [or on each surface on a side of the rotor core], and a seal ring. The retaining sleeve is configured of plural divided sleeves divided along a direction of a rotation axis of the rotor. A seam is formed between adjacent divided sleeves in the plural divided sleeves. The seal ring covers the seam from an outer circumferential side [or an inner circumferential side].

Abstract: This rotary electric machine includes two movable parts which are placed with a stator core interposed therebetween and rotate about an identical rotary shaft. At least part of the stator core is formed by stacking thin sheets in a rotation direction of the two movable parts. The stator core has, at both ends, stator core retention portions extended in a direction parallel to surfaces thereof opposed to the two movable parts and perpendicular to the rotation direction of the movable parts. Retention surfaces of the stator core retention portions at both ends are respectively fixed by retention members. The retention surfaces of the stator core retention portions at both ends are formed to face toward each other.

Abstract: An electric motor is provided that has a stator and a rotor rotatably mounted in the stator. The stator includes a plurality of motorettes, each having a ferrous metal core segment, and a conductive winding on the core segment. The plurality of motorettes are arranged in a circular arrangement, and a plurality of wedges are provided, with one of the wedges being positioned in each interface between the conductive windings of adjacent ones of the motorettes that presses the conductive windings of the adjacent ones of the motorettes towards respective ones of the ferrous metal core segments. This provides an arrangement with minimal or no air gaps between the conductive windings and the core segments, or an electric insulator on each of the core segments.

Abstract: A linear actuator comprising a mass movably mounted in a linear displacement path, the mass having a magnetic segment, a drive force generator configured to selectively impart acceleration to the mass in the orientation of the linear displacement path, and a reactive force path generating a return force when the mass is displaced from a rest position. The return force being in the orientation of the linear displacement path and towards the rest position, the amplitude of the return force varying as a function of the position of the mass in the linear displacement path in accordance with a force response curve, the reactive force path including a permanent magnet force element disposed transversally adjacent to the linear displacement path and magnetically coupled with the magnetic segment.

Abstract: A motor main body of a switched reluctance motor includes a rotor-having a plurality of rotor salient poles, a stator having a plurality of stator salient poles, a drive winding of each phase wound around stator salient poles of the plurality of stator salient poles, of the phase, and a permanent magnet disposed in a stator yoke. A drive circuit outputs a drive current to the drive winding of each phase to rotate the rotor. A pulse current output circuit outputs a pulse current to be superimposed on the drive current during an application time shorter than an application time of the drive current to the drive winding of each phase.

Abstract: A stator of an electrical machine is provided including a body axially extending along the longitudinal axis between two opposite axial ends, the body radially extending perpendicular to the longitudinal axis between a radially inner surface and a radially outer surface, wherein at least one of the two opposite axial ends includes a plate inclined with respect to the longitudinal axis of an angle greater than 0° and lower than 90°.

Abstract: An electric motor assembly includes a stator, a rotor, a motor housing, a rotatable shaft, a radial fan, and an air scoop. The motor housing at least partly houses the stator and rotor and presents an exterior motor surface. The rotatable shaft is associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis. The radial fan is mounted on the rotatable shaft exteriorly of the motor housing and is rotatable with the shaft to direct airflow in a radially outward direction. The air scoop extends radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface. The air scoop includes spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially.

Abstract: Disclosed is a stator assembly. By means of the process steps, such as unit body winding, multi-unit preparation, winding assembly and stator embedding, that are sequentially implemented, winding of a single unit body can be achieved by means of a single flat wire, winding of a stator winding can be completed merely by means of a bending process in a whole unit body structure.

Abstract: An electric motor is provided. The motor includes a stator and a rotor positioned concentrically within the stator. Between the ends of the rotor, the rotor lacks radial air flow paths that extend into the annular space between the rotor and the stator.

Abstract: A motor stator includes a plurality of stacked annular stator laminates defining a stator core having an inner circumference, an outer circumference, a plurality of stator teeth on the inner circumference, and a plurality of ears extending outward from the outer circumference with a respective bolt hole defined in each ear. A first set of the stator laminates includes a plurality of coolant openings therethrough, wherein the coolant openings of adjacent stator laminates communicate with one another in order to define cooling channels inside the stator core. A second set of the stator laminates each include one or more generally radially extending first openings therethrough, wherein the first openings of adjacent stator laminates communicate with one another to define one or more first radial channel segments inside the stator core for providing radial coolant flow between one or more bolt holes and one or more cooling channels.

Abstract: A vehicle motor includes a stator, a rotor, and a shaft. The stator has a ring shape. The rotor is disposed radially inward of the stator. The shaft is disposed radially inward of the rotor and is configured to rotate together with the rotor. The stator is splittable into a plurality of parts, and the rotor is splittable into a plurality of parts.

Abstract: The present disclosure discloses a high-speed motor and an assembling method. The high-speed motor includes an air duct housing, a rotor subassembly, a stator subassembly, a bearing sleeve subassembly, and a fan blade. A mounting ring coaxial with the air duct housing is arranged at the middle right part in the air duct housing; several air guide plates are uniformly distributed between an outer wall of the mounting ring and an inner wall of the air duct housing; a bearing sleeve mounting cavity, a bearing mounting cavity, and a stator mounting cavity being respectively arranged at a left part, a middle part and a right part in the mounting ring; the rotor subassembly is coaxial with the mounting ring and is mounted in the mounting ring in a horizontal direction. The present disclosure has the advantages of reducing the resonance, lowering the noise, and the like.