An outer rotor motor includes: a frame, a stator disposed on the frame, a coil wound around the stator, a rotating shaft rotatably coupled to a central region of the frame, a cover coupled to the rotating shaft and surrounding the stator, and a magnet disposed on the cover and facing the stator, where an inner surface of the cover includes a plurality of blades protruding from the inner surface of the cover and extending in a radial direction of the rotating shaft.

A rotor for an electric motor includes a ring portion and a hub portion. The ring portion contains a permanent magnet material and is configured to at least partially rotate about at least a portion of a stator of the electric motor. The hub portion is configured as a fan including two or more blade elements each being connected to the ring portion. The blade elements encompass two or more axial air passages. An electric motor including the rotor, a pump device and a household appliance each including the electric motor, as well as a method of producing the rotor, are also provided.

Disclosed are embodiments of a manually powered vaporizing device including a housing having an outside surface and an opening passing through the outside surface of the housing, a tank having a fillable space therein, an atomizer, a manually powered energy generator, and an energy storage component in electrical communication with the energy generator and the atomizer. The manually powered energy generator, which can include a rotating element and/or a magnetic power generator, can be used to provide energy to the capacitor and the atomizer so that the device can be powered manually and renewably.

Disclosed are embodiments of a manually powered vaporizing device including a housing having an outside surface and an opening passing through the outside surface of the housing, a tank having a fillable space therein, an atomizer, a manually powered energy generator, and an energy storage component in electrical communication with the energy generator and the atomizer. The manually powered energy generator, which can include a rotating element and/or a magnetic power generator, can be used to provide energy to the capacitor and the atomizer so that the device can be powered manually and renewably.

An electric motor includes: a stator including stator coils; and a rotor arranged outside the stator. Further, a plurality of fins is provided at a position, which faces the stator coils, on an inner surface of the rotor.

Disclosed are embodiments of a manually powered vaporizing device including a housing and an air passageway partially extending from a proximal end of the housing towards a distal end of the housing. The manually powered vaporizing device also includes a tank configured to contain a liquid substance, an atomizer, and an energy storage component supported by the housing and the energy storage component is in electrical communication with an energy generator and the atomizer. The manually powered vaporizing device includes a manual rotating element configured to rotate the energy generator relative to the housing to produce an electrical current and configured to rotate about an axis approximately coaxial with a longitudinal centerline of the housing.

Disclosed are embodiments of a manually powered vaporizing device including a housing and an air passageway partially extending from a proximal end of the housing towards a distal end of the housing. The manually powered vaporizing device also includes a tank configured to contain a liquid substance, an atomizer, and an energy storage component supported by the housing and the energy storage component is in electrical communication with an energy generator and the atomizer. The manually powered vaporizing device includes a manual rotating element configured to rotate the energy generator relative to the housing to produce an electrical current and configured to rotate about an axis approximately coaxial with a longitudinal centerline of the housing.

A motor with a permanent magnet is provided. A motor has a rotor and an annular drive magnet surrounding the rotor. The drive magnet includes a plurality of magnetized areas having an entire circumference divided into a multiple of at equiangular intervals and includes a plurality of divided areas having an entire circumference divided into the same number as the number of magnetized areas at equiangular intervals. The two adjacent magnetized areas have different polarities. In an inner circumferential surface of each divided area in the drive magnet, a distance D from a rotation center line of the rotor becomes longer from a center in a circumferential direction toward both ends of the area. A magnetization polarization line of the two adjacent magnetized areas deviates from a boundary between the two adjacent divided areas in the circumferential direction.

A motor with a permanent magnet is provided. A motor has a rotor and an annular drive magnet surrounding the rotor. The drive magnet includes a plurality of magnetized areas having an entire circumference divided into a multiple of at equiangular intervals and includes a plurality of divided areas having an entire circumference divided into the same number as the number of magnetized areas at equiangular intervals. The two adjacent magnetized areas have different polarities. In an inner circumferential surface of each divided area in the drive magnet, a distance D from a rotation center line of the rotor becomes longer from a center in a circumferential direction toward both ends of the area. A magnetization polarization line of the two adjacent magnetized areas deviates from a boundary between the two adjacent divided areas in the circumferential direction.

A laundry treatment apparatus is disclosed. The laundry treatment apparatus includes a cabinet (100) defining the appearance of the laundry treatment apparatus, a drum (300) rotatably disposed in the cabinet (100), and a drive unit (400) for rotating the drum (300), wherein the drive unit (400) includes a first drive unit (410) for generating rotational force required to rotate the drum (300), and a second drive unit (430) for changing the ratio of rotational force generated by the first drive unit (410) and rotational force transferred to the drum (300), wherein the first drive unit (410) includes a first stator (411) for generating rotating magnetic fields, a magnetic flux converter (413) rotatably disposed radially outside the first stator (411) to change the magnetic flux of the magnetic fields generated by the first stator (411), and a first rotor (415) disposed radially outside the magnetic flux converter (413) and rotatable by the magnetic fields, wherein the magnetic flux converter (413) is configured to rotate with the second drive unit (430).