Abstract: A spindle motor includes a base member including an installation member formed of a magnetic material, a sleeve fixedly coupled to a mounting part provided in the base member, a shaft rotatably installed in a shaft hole of the sleeve, a rotor hub installed on an upper end portion of the shaft to rotate together with the shaft, a driving magnet fixedly coupled to a lower surface of the rotor hub, and a coil fixedly coupled to the installation member so as to be disposed to face the driving magnet.

Abstract: There is provided a spindle motor including: a base member including an installation part extended upwardly in an axial direction and a coupling hole formed to be disposed around the installation part; a stator core including winding grooves into which a coil is inserted and wound therearound and protrusion parts formed on a surface opposite to a surface in which the wounding groove is formed, and fixedly installed in the installation part; and a strength reinforcing member including a concave groove formed therein so as to be disposed to face the protrusion part, and coupled to the coupling hole in order to reinforce strength of the base member.

Abstract: Disclosed herein is an electric blower capable of preventing grease stored in a boss part of a bracket from being leaked and/or evaporated. The electric blower includes: a housing receiving a stator, a rotating shaft, and rotor; a housing cover covering an upper opening part of the housing; and a bracket including a boss part which protrudes vertically upward in a cylindrical shape at a central portion thereof to receive an upper bearing and the rotating shaft and a flange which radially elongates outward from the boss part to be coupled with the housing and rotatably supporting the rotating shaft, wherein the boss part includes a disk-shaped flat upper surface having a shaft hole helping penetration of the rotating shaft, a cylindrical side wall extending downward from an edge of the upper surface, and at least one guide groove formed at a lower portion of the upper surface.

Abstract: Disclosed herein is a switched reluctance motor comprising: a rotor having a shaft disposed at a central portion thereof and having salient poles formed at an outer circumference thereof; a stator having the rotor rotatably installed therein while forming a gap and having salient poles facing the salient poles of the rotor; and an extraction pressure decreasing unit separating the rotor and the stator from a mold, wherein the rotor and the stator are made of a soft magnet composite (SMC).

Abstract: There are provided a switched reluctance motor which can be easily manufactured and available for automation, and a manufacturing method thereof. The motor includes: a stator with a coil wound therearound; and a control board coupled to one side of the stator, the coil being electrically connected to the control board, wherein the control board includes a coupling recess in which the coil is fixedly bonded and a guide recess allowing the coil to be moved into the coupling recess from the outside of the control board.

Abstract: Disclosed herein is an electric blower including: an impeller; a driving module including a rotor part coupled to the impeller in order to driving the impeller and a stator part, the rotator part including a magnet and the stator part including an armature formed of a core positioned so as to face the magnet and a coil; a motor housing having the driving module mounted thereon; and a control module mounted on the motor housing and controlling the driving module.

Abstract: Disclosed herein is a stator including: a plurality of stator cores; a coil wound around each of the plurality of stator cores; and an injection part injection-molded between the plurality of stator cores.

Abstract: Disclosed herein are a controller embedded switched reluctance motor assembly and a method of assembling thereof. Particularly, according to the present invention, a controller controlling the motor unit is installed in a housing, such that a separate process of installing the controller may be omitted, thereby facilitating assembling of the switched reluctance motor assembly. In addition, since a separate installation space of the controller is not required, a vacuum cleaner including the switched reluctance motor assembly may be miniaturized, and since the controller is installed in a state in which a motor unit and an insulator are coupled to each other and then installed in the housing, intermediate tests of the controller or the motor to unit may be easily performed, such that defects may be reduced. Further, the controller is in the housing, such that the controller may be protected from external disturbance.

Abstract: Disclosed herein is a switched reluctance motor assembly including: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled to the shaft; a balancing member including the rotor part and formed so as to enclose the shaft; a sensor magnet coupled to a lower end portion of the balancing member in an axial direction; and a printed circuit board having a hall sensor attached thereto so as to face the sensor magnet at a lower portion of the sensor magnet in the axial direction. According to the present invention, the coupling precision of the sensor magnet for sensing the position of the rotor part forming the rotor of the switched reluctance motor assembly may be improved.

Abstract: Disclosed herein is a switched reluctance motor assembly capable of reducing an assembling error that is generated according to separate assembling and improving precision of assembling of bearing parts by forming a diffuser part and a motor housing integrally with each other. In the switched reluctance motor assembly, the diffuser is coupled integrally with the housing, such that a separate member for fixing the diffuser is omitted, thereby making it possible to reduce vibration according to driving of a motor and noise according to the vibration.

Abstract: Disclosed herein is a motor housing including: a housing body accommodating a stator and a rotor therein; and a supporting frame coupled to the housing body and supporting a shaft of the rotor, wherein an end portion of the housing body is provided with a fixing part that is extended inwardly, such that the supporting frame is coupled to the fixing part.

Abstract: Disclosed herein is a switched reluctance motor including: a salient pole type stator that includes a plurality of teeth having a coil wound therearound and a magnet mounted between the teeth; and a salient pole type rotor that is inserted into a central portion of the stator and rotates, wherein the magnet is mounted between the teeth having the coil wound therearound.

Abstract: Disclosed herein is a switched reluctance motor including: a salient pole type rotor provided with a plurality of salient poles; and a stator including a stator body provided with a plurality of salient poles facing the rotor and a plurality of auxiliary slots disposed between the salient poles, a plurality of phase windings formed by winding coils around the salient poles, and a plurality of electromagnets formed by winding coils in the auxiliary slots, wherein magnetic fluxes generated due to excitation of the phase windings interact with magnetic force generated from the electromagnets, such that a magnetic flux amount may increase and torque density may be improved, and an intersection line is not generated in the magnetic fluxes generated due to the excitation of the phase windings.

Abstract: Disclosed herein is a unipolar switching apparatus of a switched reluctance motor, including: a control unit outputting a unipolar switching control signal; and a transformer driving an SRM according to the unipolar switching control signal output from the control unit, thereby minimizing vibration and noise.

Abstract: Disclosed herein is a switched reluctance motor including: a rotor part including a rotor core having a shaft inserted thereinto and a plurality of rotor poles formed to be protruded from the rotor core; a stator part formed by coupling stator cores each positioned at outer sides of the rotor poles while facing the rotor poles so that the rotor part rotates therein and independently manufactured by insert injection molding to each other; and a magnet coupled between the stator cores.

Abstract: Disclosed herein is a switched reluctance motor including: a salient pole type rotor provided with a plurality of salient poles; and a stator including a stator body provided with a plurality of salient poles facing the rotor, a plurality of phase windings formed by winding coils around the salient poles, and permanent magnets mounted between the phase windings, wherein the permanent magnets are disposed to generate magnetic force in a direction corresponding to a direction in which magnetic fluxes are generated from the phase windings.

Abstract: Disclosed herein is a switched reluctance motor including: a salient pole type rotor; and a stator including a stator body, a plurality of phase windings, permanent magnets, and magnetic flux transform coils wound to enclose the permanent magnets, wherein magnetic fluxes generated by excitation of the phase windings interact with magnetic force generated from the permanent magnets, such that a magnetic flux amount may increase and torque density may be improved, an intersection line is not generated in the magnetic fluxes generated by the excitation of the phase windings, and the magnetic fluxes are reduced by the magnetic flux transform coil.

Abstract: Disclosed herein is a switched reluctance motor including: a salient pole type stator that includes a plurality of teeth having a coil wound therearound and a magnet mounted between the teeth; and a salient pole type rotor that is inserted into a central portion of the stator and rotates, wherein the magnet is mounted between the teeth having the coil wound therearound.

Abstract: A hinge assembly and a mobile terminal are disclosed. The hinge assembly can include: a torsion spring; a shaft, which penetrates through the torsion spring; a bushing, coupled to one end of the torsion spring and to one side of the shaft; a holder, which is coupled to the other end of the torsion spring, and which the shaft penetrates through; a sliding cam, which is coupled to the other side of the shaft, and which may move in linkage with the shaft; a fixed cam, which engages the sliding cam; a compression spring, which is positioned between the holder and the sliding cam, and which may place the sliding cam in close contact with the fixed cam; and a housing coupled to the holder and the fixed cam. Thus, the mobile terminal can be unfolded automatically using just a few number of parts without requiring energy consumption.

Abstract: A hinge assembly and a mobile communication terminal equipped with the hinge assembly are disclosed. The hinge assembly in accordance with an embodiment of the present invention can include: a housing; a fixing cam, which is coupled to the housing and has a cam head and a ramp; a shaft, which is coupled to the fixing cam such that the shaft and the fixing cam can rotate; a torsion spring, which is coupled to the fixing cam on one end and the shaft on the other end; a sliding cam, which is coupled to the shaft, such that the sliding cam is allowed to slide over the shaft along the axial direction, and has a protrusion facing the ramp; and a compression spring, which is interposed between the sliding cam and the shaft such that the sliding cam is compressed toward the fixing cam. By using a cam structure, the present invention can selectively control the rotation of the hinge assembly.