H02K21/227

ACTUATOR AND ELECTRIC BEAUTY DEVICE

Provided is an actuator that has a simple configuration and can stably achieve high output. This actuator has: a movable body provided with a cylindrical magnet section alternately having N-pole faces and S-pole faces on a peripheral surface thereof along the circumferential direction; a fixed body provided with pole tooth surfaces disposed facing the peripheral surface a magnet section and a coil that excites the pole tooth sections; and a spring material holds the movable body to the fixed body in a freely movable manner. The spring material is fixed to at least one of the movable body and the fixed body via a joint section. The joint section has a fixing part for fixing and end section of the spring material, and a stress relaxation part that is disposed in proximity to the fixing part and relaxes stress generated during deformation of the spring material.

SLIM REEL-TYPE BRUSHLESS MOTOR AND INSULATION SEAT THEREOF
20180191219 · 2018-07-05 ·

An insulation seat of a slim reel-type brushless motor includes a ring-shaped bottom plate, an inner plate and an outer plate. The ring-shaped bottom plate has an opening. The inner plate is arranged around the opening. At least one upper locking element is protruded upwardly from the inner plate. At least one lower locking element is protruded downwardly from the inner plate. The upper locking element and the lower locking element are staggered. The outer plate is arranged around an outer periphery of the ring-shaped bottom plate. An accommodation space is defined by the ring-shaped bottom plate, the inner plate and the outer plate. A coil is disposed within the accommodation space. The at least one upper locking element of the inner plate is engaged with a first magnetic seat. The at least one lower locking element of the inner plate is engaged with a second magnetic seat.

ELECTRONICALLY SWITCHED ELECTRIC MOTOR AND CORRESPONDING AIR PULSE DEVICE

An air pulse device according to the invention is used, in particular, in a heating, ventilation and/or air conditioning system of a motor vehicle. The air pulse device comprises an electric motor (2) having a rotor (16) and a stator (14). The stator is mounted about a support means (10) such that it is in contact with said support means, the latter being made of an electrically conductive material and connected to an electrical ground. Moreover, a shield (70) is disposed in the vicinity of the stator, said shield also being electrically connected to the electrical ground.

Divided Magnetic Generator
20180083505 · 2018-03-22 · ·

A divided magnetic electrical generator includes a driving shaft, a magnetic rotor, a plurality of claw pole stators, and a divided magnetic flux induction arrangement. The magnetic rotor includes a plurality of magnetic members formed on an inner peripheral boundary thereof for generating a corresponding magnetic field. The claw pole stators are mounted in the magnetic rotor. Each of the claw pole stators includes a plurality of claw poles spacedly distributed and extended along a 360 circumferential direction of the magnetic rotor. The divided magnetic flux induction arrangement includes a plurality of winding units received in the magnetic rotor, wherein when the magnetic rotor is driven to rotate at a low speed, the magnetic field in the magnetic rotor is arranged to be constantly and controllably altered so as to induce currents in the winding units.

TRANSVERSE FLUX MACHINE

A transverse flux machine (TFM) includes: a rotor configured to rotate about an axis and having a plurality of pairs of permanent magnets, with flux concentrating and flux diverging cores alternatively placed between the permanent magnets, each of the pairs of permanent magnets arranged to generate a magnetic flux in a circumferential direction into the flux concentrating core and away from the flux diverging core; and a stator including a transverse flux core configured to direct the magnetic flux in each of a radial direction and an axial direction. The rotor further includes a non-magnetic material located between the permanent magnets of each of the pairs of the permanent magnets, adjacent to the flux concentrating core and opposite from the stator, the non-magnetic material having a thickness (TH) in a radial direction. A steer-by-wire system for a vehicle includes a handwheel actuator including a TFM coupled to a steering wheel.

ELECTRIC MOTOR
20250023435 · 2025-01-16 ·

An electric motor includes a rotor and a stator that includes a plurality of coils arrayed along a rotational axis of the rotor. The rotor is potted with potting compound. The stator is potted with potting compound. Each coil of the stator is electrically connected to a power source to receive operating power from the power source. The coils are powered to cause the stator to electromagnetically drive rotation of the rotor on the rotational axis.

Rotating electric machine
12218556 · 2025-02-04 · ·

A rotating electric machine includes: a field system including a magnet section having a plurality of magnetic poles whose polarities alternate in a circumferential direction; and an armature arranged to face the field system and including a multi-phase armature coil. Either of the field system and the armature is configured as a rotor. The field system also includes a soft-magnetic core having at least one magnet-receiving hole in which the magnet section is received and held. The armature coil has electrical conductor sections arranged at positions facing the field system and at predetermined intervals in the circumferential direction. In the armature, inter-conductor members are provided between the electrical conductor sections in the circumferential direction. The inter-conductor members in each part of the armature corresponding to one magnetic pole are magnetically saturated by magnetic flux from one magnetic pole of the magnet section when the electrical conductor sections are not energized.

MOTOR USING COMPLEX MAGNETIC FLUX

The described technology relates to a motor using a complex magnetic flux, which uses a radial magnetic flux and an axial magnetic flux together, thereby generating a larger torque in the same volume. The motor can also use a radial magnetic flux, an axial magnetic flux, and an oblique magnetic flux together, thereby generating a larger torque in the same volume.

High efficiency transverse flux motor fan

A high efficiency transverse flux motor fan utilizes a transverse flux motor that can provide torque to drive fan blades at a reduced weight over conventional induction and brushless DC motors. A fan incorporating a transverse flux motor may be a residential ceiling fan or high volume low speed fan. Transverse flux motors are ideal for these applications as they have a higher efficiency at low revolutions per minute. A transverse flux motor may have a stator utilizing a ring shaped lamina that has extending members that form a coil channel. A lamina may be a unitary piece of material that is formed from a sheet of metal, thereby providing a very lightweight stator assembly. An exemplary fan may provide an airflow efficiency of more than about 236 L/s*W, (500 CFM/watt), an essential airflow density of more than about 2.36 L/s*g, (5 CFM/gram) and a power density of about 150 W/kg or more.

Motor

A motor includes a stator having stacking coil units with a nonmagnetic body arranged between, and a rotatable rotor. Each of the coil units includes a coil, and a stator core. The coil includes an annular winding. The stator core is arranged to surround at least part of the winding. The stator core includes projections formed on axial ends of the stator core, alternately arranged in a circumferential direction, and projecting radially toward the rotor from the axial ends. The coil includes the winding and two leads extending from the winding. At least one of a first and a second of the two leads extends between stator cores of two of the coil units. A magnet pole is arranged in one of inner and outer circumferential portions of the stator core, and the first and second leads are arranged in an other one of inner and outer circumferential portions.