Various aspects of the present disclosure are directed to a transport device in the form of a planar motor. In one embodiment, the transport device includes at least one transport segment, first and second coil groups, frive magnets and a control unit. The at least one transport segment forms a transport plane and includes at least one transport unit that moves in the transport plane at least two-dimensionally along two main movement directions. The first coil group, which defines the first main movement direction and has first drive coils, is arranged on the at least one transport segment. The second coil group defines the second main movement direction and has second drive coils is arranged on the at least one transport segment. The drive magnets are arranged on the at least one transport unit. The control unit controls the first drive coils, and the second drive coils.

A three-suspension pole magnetic suspension sheet switched reluctance motor includes a stator and a rotor. The stator includes a motor stator iron core, a magnetic conductive bridge, and a permanent magnet ring. Three stator suspension teeth and three stator torque teeth are distributed at intervals on an inner periphery of the motor stator iron core. The stator torque teeth are respectively connected to the motor stator iron core. The stator torque teeth are axially distributed and have inverted U-shapes. The magnetic conductive bridge is connected to the motor stator iron core through the permanent magnet ring. The magnetic conductive bridge includes a magnetism collection ring protruding inwards into the rotor. Rotor teeth are distributed on an outer side of the rotor. An outer air gap is between the rotor tooth and the motor stator iron core. An inner air gap is between the rotor tooth and the magnetism collection ring.

Disclosed are various embodiments for a new and improved electric motor/generator including a toroidal magnetic cylinder centered on the longitudinal axis, and a coil assembly including a first coil assembly support positioned within the toroidal magnetic cylinder, and a second coil assembly support positioned within the toroidal magnetic cylinder.

An axial flux machine has an annular stator and two rotor elements mounted rotatably relative to the stator about an axis of rotation. A first rotor element is arranged axially adjacent to a first end face of the stator and a second rotor element is arranged axially adjacent to a second end face of the stator. The stator has a plurality of stator cores, distributed in a circumferential direction of a circular line extending about the axis of rotation, wherein at least one stator core has a plurality of radially extending guide segments that are stacked on top of one another in the circumferential direction and are of plate-like design. At least a partial quantity of the guide segments have, on the radial outer side thereof and/or the radial inner side thereof, a retaining accommodated in an interlocking manner on at least one supporting region fixed to the housing.

This pump comprises: a housing comprising a body and a first partition which separates first and second areas; a stator disposed in the housing; a circuit board disposed in the first area; a pump gear disposed in the second area; and magnets disposed on the pump gear, wherein the second area includes a second space defined by the first partition wall and the body, and the stator is inserted into the body.

The present application disclosed a magnetic levitation system, and the magnetic levitation system includes a stator, a rotor, and a magnetic coupling mechanism; the stator includes a stator winding mechanism for controlling the rotor to move away from or close to the axis direction of the stator. The magnetic coupling mechanism includes magnetic sources, and the magnetic coupling mechanism is magnetically coupled with the rotor through the magnetic sources to drive the rotor to rotate around the axis direction of the stator. The magnetic levitation system decouples the magnetic circuit that drives the rotor to move from the magnetic circuit that drives the rotor to rotate, so as to reduce control difficulty, enhance stability, and reduce torque fluctuations.

A stator includes a core and a molded midsection arranged to define a plurality of slots. The stator also includes a plurality of conductors wound within the slots. Portions of the midsection immediately adjacent to the slots include magnetic insulator embedded therein. The magnetic insulator is electrically insulating and has ferrimagnetic ordering. The stator further includes a plurality of non-magnetic wedges disposed between the conductors and an inner diameter surface of the stator.

An annular stator core in which, out of slots arrayed in a circumferential direction and extending in a radial direction, q slots are formed per pole and per phase; and stator windings, for respective phases, attached to the stator core. For each stator winding, q*n unit coils obtained by winding wire conductors at regular intervals into concentric winding forms are used to obtain n coils in each of which the q unit coils wound in a same direction are connected so as to be shifted from each other in the circumferential direction, and the stator winding is composed of two coil groups each obtained by joining the n/2 coils together. The two coil groups are connected in parallel to each other between power feed portions and neutral points, and two coils that are connected to the power feed portions are disposed so as to share the slot.

A stator includes a cylindrical shaft extending in an axial direction, annular portions positioned side by side in the axial direction radially outside the shaft and extending in a radial direction, pole teeth extending in the axial direction from a radially outer end portion of each of the annular portions, and one or more coils between the annular portions adjacent to each other in the axial direction and wound around the shaft. The shaft includes at least one slit recessed radially inward from an outer peripheral surface of the shaft and extending along the axial direction. A portion of the at least one slit is radially inside the annular portion. A lead wire of the coil is accommodated in the at least one slit.

Increase in weight of a rotary electric machine including a low-speed rotor in which a spacer made of metal is provided between a plurality of magnetic pole pieces, can be suppressed. The rotary electric machine includes a stator, a first rotor provided so as to be rotatable with respect to the stator, and a second rotor provided coaxially with the first rotor. The first rotor includes a plurality of magnetic pole pieces disposed so as to be arranged in the circumferential direction, a plurality of spacers respectively disposed between the plurality of magnetic pole pieces, two dampers respectively disposed at both end portions in the axial direction, and a fastening tool for fastening each spacer to a corresponding clamper. The spacer has a cavity portion. The spacer and the fastening tool are electrically insulated from each other.