H02K21/26

Segment sheet for a stator lamination stack, stator lamination stack, and generator and wind turbine comprising same
11764625 · 2023-09-19 · ·

A segment sheet for a stator lamination stack of a generator of a wind turbine, wherein the segment sheet has the shape of a ring segment, having a first radial section, in which recesses are provided for receiving a stator winding, having a second radial section, which is arranged radially adjacent to the first section and which forms a segment of a magnetic yoke of the generator, and having a third radial section, which is arranged radially adjacent to the second section. The proposal is that the third radial section has at least two recesses arranged in an azimuthally spaced manner, which are designed for a positive connection to profiled strips arranged on a stator support ring.

Segment sheet for a stator lamination stack, stator lamination stack, and generator and wind turbine comprising same
11764625 · 2023-09-19 · ·

A segment sheet for a stator lamination stack of a generator of a wind turbine, wherein the segment sheet has the shape of a ring segment, having a first radial section, in which recesses are provided for receiving a stator winding, having a second radial section, which is arranged radially adjacent to the first section and which forms a segment of a magnetic yoke of the generator, and having a third radial section, which is arranged radially adjacent to the second section. The proposal is that the third radial section has at least two recesses arranged in an azimuthally spaced manner, which are designed for a positive connection to profiled strips arranged on a stator support ring.

CORELESS MOTOR

A coreless motor includes a rotating shaft, a rotor plate attached to the rotating shaft, and a coil supported by the rotor plate. The coil includes a carbon nanotube electric wire, the carbon nanotube electric wire including a carbon nanotube wire and a coating layer, the carbon nanotube wire including a plurality of carbon nanotubes, the coating layer including an insulating layer that covers the carbon nanotube wire so as to insulate the carbon nanotube wire.

Direct drive electric motor having stator and magnet configurations for improved torque capability
11569719 · 2023-01-31 · ·

An electric motor for an appliance includes a rotor coupled with a drive shaft. The rotor includes a plurality of rotor magnets that each define a magnet assembly including a plurality of magnet portions having different magnet pole orientations. A stator is in electromagnetic communication with the rotor. A gap is defined between the stator and the rotor. The stator comprises a stator core. A plurality of stator poles define the gap. Stator magnets are positioned within the stator core and are located to partially define the gap. Each stator magnet defines a pair of flux paths that extend around an outer perimeter of the stator magnet and onto the gap. The different magnet pole orientations of the plurality of rotor magnets operate to direct an effective magnetic flux toward the gap.

ARMATURE AND MANUFACTURING METHOD THEREOF
20220216760 · 2022-07-07 · ·

An armature is provided with an armature winding, an armature core and a first and second insulation sheets. The first insulation sheet is arranged to sequentially pass through a field magnet side of a first phase conductor, a portion between the first phase conductor and a second phase conductor, an armature core side of the second phase conductor and a third phase conductor and a portion between the third phase conductor and the first phase conductor. The second insulation sheet is arranged to sequentially pass through a portion opposite to the first phase conductor with respect to the first insulation sheet, a field magnet side of the second conductor, a portion between the second phase conductor and the third phase conductor, a portion between the third phase conductor and the first insulation sheet and a portion between the third phase conductor and the first insulation sheet.

SWITCHED RELUCTANCE MACHINES WITHOUT PERMANENT MAGNETS
20220123634 · 2022-04-21 ·

Disclosed are various embodiments for switched reluctance machines having a rotor comprising a plurality of rotor core assemblies configured to form a reluctance torque tunnel having at least a first reluctance tunnel segment and a second reluctance tunnel segment and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the reluctance torque tunnel, such that at least one of the plurality of coils is surrounded by the first reluctance tunnel segment or the second reluctance tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the reluctance torque tunnel.

INDUCTION MACHINES WITHOUT PERMANENT MAGNETS
20220123635 · 2022-04-21 ·

Disclosed are various embodiments for an induction machine having a rotor comprising a plurality of rotor core assemblies configured to form a toroidal magnetic torque tunnel having at least a first inductive tunnel segment and a second inductive tunnel segment and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the toroidal magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first inductive tunnel segment or the second inductive tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the toroidal magnetic torque tunnel.

MOVING COIL BRUSHLESS MOTOR

A moving coil brushless motor including an actuator having a stator and a rotor. The stator includes a cylindrical array of permanent magnets. The rotor includes a coil assembly having a plurality of coils interposed between a stator back plate and the permanent magnet array. The coil assembly rotates relative to the array of permanent magnets. A center shaft is disposed to rotate about a longitudinal axis. A cylindrical transformer is disposed within an interior space circumscribed by the stator back plate and includes a primary side and a secondary side. The primary side includes a primary coil and the secondary side includes a secondary coil magnetically coupled to the primary coil. Primary electronics are in communication with secondary electronics attached to the center shaft. The secondary electronics are configured to receive power from the secondary coil and to provide current to the actuator.

Device for monitoring operation parameters of a vehicle axle
11072351 · 2021-07-27 · ·

A device for monitoring operation parameters of a vehicle axle including a measuring instrument (1) comprising at least a position sensor, a device (2) for communication of measured quantities to an external device, a mechanism (5) for conversion of mechanical energy of the axle to electrical energy and a memory (3) with a stored identification code. A device has the shape of a ring (4) that is applied on the vehicle axle in such a way that it encircles it. The ring (4) consists of at least two parts (4a, 4b) that are adapted for permanent connection around the vehicle axle. The mechanism (5) consists of a circumferential cavity (5a) in the inner part of the ring where a permanent magnet (5b) is freely positioned, at least one coil (5c), preferably four coils (5c) being positioned along its perimeter. The device (2) for communication of measured quantities is a wireless transmitter with a GSM interface or radio-frequency interface configured for communication of measured values together with the identification code (3) of the axle to an external processing unit.

Stator and manufacturing method of stator

A stator includes a main yoke having a cylindrical shape with a bottom, an auxiliary yoke having a band shape arranged on an outer or inner circumferential wall surface of this main yoke, and a field magnet arranged inside the main yoke. The auxiliary yoke is arranged along a circumferential direction on the outer or inner circumferential wall surface of the main yoke. One end of the auxiliary yoke has at least one protrusion, and another end of the auxiliary yoke has at least one recess facing and engaging in a circumferential direction with the protrusion either on the inner or outer circumferential wall surface of the main yoke.