H02K21/44

ELECTRODYNAMIC CONVERTER

The application relates to an electrodynamic converter (1), comprising a coil (11), a claw disk (7) associated with the coil (11) and having a disk component (7a) that can be rotated about an axis of rotation and a disk component (7b) that is stationary relative thereto, comprising a further claw disk (8) associated with the coil (11) and having a disk component (8a) that can be rotated about the axis of rotation and a disk component (8b) that is stationary relative thereto, and comprising magnetic flux components, which have oppositely magnetized magnetic components (9, 10; 12, 13) and magnetic flux elements composed of soft magnetic material, of which at least some are associated with a magnetic flux through the claw disk (7) or a further magnetic flux through the further claw disk (8) during operation, which are formed in alternation as the rotatable disk component (7a) of the claw disk (7) and the rotatable disk component (8a) of the further claw disk (8) are rotated, wherein the magnet-flux-closing relative positions for the claw disk (7) and the further claw disk (8) are formed having an angular offset to each other, as are also non-magnetic relative positions.

ELECTRODYNAMIC CONVERTER

The application relates to an electrodynamic converter (1), comprising a coil (11), a claw disk (7) associated with the coil (11) and having a disk component (7a) that can be rotated about an axis of rotation and a disk component (7b) that is stationary relative thereto, comprising a further claw disk (8) associated with the coil (11) and having a disk component (8a) that can be rotated about the axis of rotation and a disk component (8b) that is stationary relative thereto, and comprising magnetic flux components, which have oppositely magnetized magnetic components (9, 10; 12, 13) and magnetic flux elements composed of soft magnetic material, of which at least some are associated with a magnetic flux through the claw disk (7) or a further magnetic flux through the further claw disk (8) during operation, which are formed in alternation as the rotatable disk component (7a) of the claw disk (7) and the rotatable disk component (8a) of the further claw disk (8) are rotated, wherein the magnet-flux-closing relative positions for the claw disk (7) and the further claw disk (8) are formed having an angular offset to each other, as are also non-magnetic relative positions.

RADIAL-AXIAL AIR GAP THREE-PHASE DISC-TYPE TRANSVERSE FLUX PERMANENT MAGNET MOTOR

Disclosed is a radial-axial air gap three-phase disc-type transverse flux permanent magnet motor. Each phase includes a stator consisting of shoe-shaped stator cores and shoe-shaped permanent magnets, and a radial-axial rotor. The permanent magnets are magnetized in the circumferential direction, and the magnetization directions of the two adjacent permanent magnets are opposite to each other. Armature windings are wound in the grooves formed by the alternately arranged stator cores and the permanent magnets. The radial-axial rotor includes radial teeth, axial teeth, and right-angled yokes. The radial teeth are connected to the axial teeth through the right-angled yokes. Adjacent radial/or axial teeth are spaced at a mechanical angle of 360/n degrees. Radial teeth and the adjacent axial teeth under the same pole pairs are spaced at a mechanical angle of 180/n degrees, where n is the number of pole pairs of the radial-axial air gap three-phase disc-type transverse flux permanent magnet motor.

ELECTRIC MOTOR
20170250594 · 2017-08-31 ·

An electric motor includes a rotor and a stator including a stator core, a plurality of armature windings, a plurality of field windings, and a plurality of bonded magnets. The stator core has a plurality of teeth alternately defining field slots and armature slots along a circumferential direction, and a stator yoke magnetically coupling the plurality of teeth opposite the rotor. Each armature winding is wound around two of the teeth sandwiched between an adjacent pair of the armature slots. Each field winding is wound around two of the teeth sandwiched between an adjacent pair of the field slots. The magnets are individually located in the field slots while opposing the field windings in the radial direction. Each adjacent pair of the magnets along the circumferential direction respectively has an adjacent pair of pole surfaces, with the adjacent pair of pole surfaces having a same polarity.

Generator

The purpose of the present invention is to provide a electric generator which has a simple structure while sufficiently suppressing cogging torque. A electric generator is constituted by a rotor section comprising a plurality of protrusions which is arranged linearly with constant pitch at mutually separated positions sandwiching permanent magnets, and a stator section which has a stator member comprising stator yokes, permanent magnets facing the permanent magnets, and protrusions which protrude closer to the rotor section than the permanent magnets and are arranged linearly with constant pitch at mutually separated positions sandwiching the permanent magnets, the stator member being configured such that the protrusions and the protrusions are shifted from each other by a half pitch between adjoining stator members. Further, the rotor section-side protrusions may be shifted by a half pitch instead of the stator section-side protrusions.

Generator

The purpose of the present invention is to provide a electric generator which has a simple structure while sufficiently suppressing cogging torque. A electric generator is constituted by a rotor section comprising a plurality of protrusions which is arranged linearly with constant pitch at mutually separated positions sandwiching permanent magnets, and a stator section which has a stator member comprising stator yokes, permanent magnets facing the permanent magnets, and protrusions which protrude closer to the rotor section than the permanent magnets and are arranged linearly with constant pitch at mutually separated positions sandwiching the permanent magnets, the stator member being configured such that the protrusions and the protrusions are shifted from each other by a half pitch between adjoining stator members. Further, the rotor section-side protrusions may be shifted by a half pitch instead of the stator section-side protrusions.

Stator for a Generator and a Flux Switching Machine for a Wind Turbine
20170324312 · 2017-11-09 ·

A stator for a generator of a wind turbine is provided. The stator comprises a magnetic frame, magnets, and magnetic sections spaced from each other. The magnets are used to fasten the magnetic sections to the frame. Further, a flux switching machine for a wind turbine, in particular a generator for a wind turbine, is provided. The flux switching machine comprises a rotor and a stator.

Stator for a Generator and a Flux Switching Machine for a Wind Turbine
20170324312 · 2017-11-09 ·

A stator for a generator of a wind turbine is provided. The stator comprises a magnetic frame, magnets, and magnetic sections spaced from each other. The magnets are used to fasten the magnetic sections to the frame. Further, a flux switching machine for a wind turbine, in particular a generator for a wind turbine, is provided. The flux switching machine comprises a rotor and a stator.

CONSEQUENT-POLE PERMANENT-MAGNET-BIASED BEARINGLESS DOUBLE-SALIENT-POLE MOTOR AND CONTROL METHOD THEREOF
20210408848 · 2021-12-30 ·

A consequent-pole permanent magnet biased bearingless doubly-salient motor includes: a core of a stator/rotor, a middle part of a surface, facing an air gap (11), of each stator pole 1-1 is grooved toward an edge part of the stator pole 1-1 in an anti-clockwise direction, one permanent magnet is attached in each groove, and a surface, facing the air gap (11), of each permanent magnet (3) is the same in polarity; each stator pole 1-1 is wounded with an armature coil, the armature coils are serially connected in sequence to form an armature winding, and the armature winding is respectively connected to an external main circuit; and every three stator poles 1-1 are wound with a suspension coil, and the suspension coils opposite spatially and radially are serially connected to form a suspension winding connected to an external suspension control circuit.

Rotary electric machine

A stator core including field slots housing field windings and armature slots housing armature windings is provided. Permanent magnets are housed in the respective armature slots. Field windings face to the permanent magnets directly or via the stator core on the outer and inner circumferential sides. A coil end of one of the armature windings straddles the predetermined one of the field slots and passes over the axial end face of each of the permanent magnets in the corresponding one of the field slots over which the coil end straddles.