Patent application number | Description | Published |
20120175975 | SWITCHED RELUCTANCE MOTOR - Disclosed is herein a switched reluctance motor including: a rotor; commutators connected to both ends of the rotor; brushes mechanically contacting to the commutators by rotation of the rotor; a stator having the brushes fixed thereto and having stator poles having coils wound therearound, wherein the brushes are moved and mounted by an advance angle from a connection axis of stator poles opposite to each other, wherein the advance angle is a region between application of a voltage and rise of an inductance and a dwell angle, a voltage application period is controlled by arc angles of the commutator and the brush. | 07-12-2012 |
20120175997 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including a rotor having a coil wound therearound; commutators connected to both ends of the rotor; brushes mechanically contacting the commutators by rotation of the rotor; and a stator having the brushes fixed thereto and having stator poles, wherein the brushes are moved by an advance angle from a connection axis of stator poles counterclockwise, and a dwell angle, a voltage application period is controlled by arc angles of the commutator and the brush. | 07-12-2012 |
20120306296 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor in which an outer rotor provided with a plurality of salient poles protruded at equidistance along an inner peripheral surface thereof; and a stator provided in the outer rotor, provided with a plurality of stator cores including main salient poles protruded toward the salient poles of the outer rotor and including coils wound therearound and auxiliary salient poles positioned at both sides of the main salient poles, and having phase windings in which the coils are wound around the main salient poles are provided, a magnetic flux is bisected in the main salient pole and flows into the auxiliary salient poles of adjacent phase windings, such that a short magnetic flux route is implemented, thereby making it possible to reduce core loss, and a magnet is also provided, thereby making it possible to improve torque characteristics. | 12-06-2012 |
20120306297 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor, including: a rotor provided with a plurality of salient poles protruded along an outer peripheral surface thereof; and a stator including a plurality of stator cores in a pi (π) shape that have the rotor rotatably accommodated therein, are opposite to the plurality of salient poles, and have coils wound therearound, wherein a magnetic flux path is formed along the stator cores in the pi shape and the salient pole opposite thereto. | 12-06-2012 |
20120306298 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor comprising: an outer rotor provided with a plurality of salient poles protruded at equidistance along an inner peripheral surface thereof; and a stator provided in the outer rotor, including a plurality of stator cores including a pair of stator salient poles protruded toward the salient pole of the outer rotor and a stator yoke connecting and supporting stator salient poles to each other, and having phase windings in which coils are wound around the stator salient poles, wherein a magnetic flux generated by applying a current to the phase winding flows through the pair of stator salient poles and the salient pole of the outer rotor. | 12-06-2012 |
20130002059 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a rotor formed with a plurality of salient poles; a rotor core having the rotor coupled thereto; and a stopper formed integrally with the rotor core by an insert special molding method. | 01-03-2013 |
20130015741 | TRANSVERSE SWITCHED RELUCTANCE MOTORAANM KIM; Changsung SeanAACI Gyunggi-doAACO KRAAGP KIM; Changsung Sean Gyunggi-do KRAANM CHOI; Chang HwanAACI Gyunggi-doAACO KRAAGP CHOI; Chang Hwan Gyunggi-do KRAANM BAE; Han KyungAACI Gyunggi-doAACO KRAAGP BAE; Han Kyung Gyunggi-do KRAANM LEE; Guen HongAACI SeoulAACO KRAAGP LEE; Guen Hong Seoul KR - Disclosed herein is a transverse switched reluctance motor including: a rotor including a plurality of rotor disks each having a shaft fixedly coupled to an inner portion thereof, having a plurality of rotor poles fixedly coupled thereto along an outer peripheral surface thereof, and arranged in a direction of a shaft; and a stator assembly including a plurality of stators each facing the plurality of rotor poles, having coils wound therearound, and arranged in a circumferential direction of the plurality of rotor disks so that the plurality of rotor disks are rotatably received therein, wherein magnetic flux paths are formed so that magnetic fluxes move in the direction of the shaft by the plurality of stators and the plurality of rotor poles facing the plurality of stators to circulate the stators. | 01-17-2013 |
20130026859 | LINEAR MOTOR - Disclosed herein is a linear motor including: a first stator part including a plurality of stator cores having coils wound therearound multiple times and arranged to be spaced apart from each other by predetermined intervals in a longitudinal direction; a second stator part arranged to be spaced apart from the first stator part by a predetermined interval in a transversal direction so as to face the first stator part and including a plurality of stator cores having coils wound therearound multiple times and arranged to be spaced apart from each other by predetermined intervals in the longitudinal direction so that the second stator part is in parallel with the first stator part; and a mover arranged in an interval formed by the first and second stator parts and moving linearly. | 01-31-2013 |
20130026864 | TRAVERSAL SWITCHED RELUCTANCE MOTOR - Disclosed herein is a transversal switched reluctance motor including: a rotor assembly formed by arranging a plurality of rotors including a rotor pole mounting part having a shaft coupled to an inner portion thereof and a plurality of rotor poles coupled to the rotor pole mounting part along an outer peripheral surface thereof in a direction of the shaft; and a stator assembly including a plurality of stators each including a coil enclosing an outer peripheral surface of the rotor assembly so that the rotor assembly is rotatably received in an inner portion thereof and a plurality of stator cores fitted with the coil from one side direction thereof along an outer peripheral surface thereof to thereby face the plurality of rotor poles, wherein the stator core has a C shaped cross section with respect to the direction of the shaft around which the rotor assembly rotates. | 01-31-2013 |
20130043763 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a shaft rotatably supporting the switched reluctance motor in an axial direction; a cylindrical part provided at a central portion of the shaft and movable vertically; an elastic member formed to enclose the shaft, formed from an upper portion of the shaft to an upper portion of the cylindrical part to thereby support a rise of the cylindrical part, and having elasticity; commutator segments attached to an outer peripheral surface of the cylindrical part and having a cylindrical shape; brushes contacting or not contacting the commutator segments according to vertical movement of the cylindrical part; and a propeller provided on a lower portion of the cylindrical part and pushing air at the to time of rotation to thereby move the cylindrical part upwardly. | 02-21-2013 |
20130049494 | SWITCHED RELUCTANCE MOTOR - 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. | 02-28-2013 |
20130057091 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor having a double rotor structure. An out stator salient pole corresponding to an out rotor salient pole is formed to have an “E” shape by sequentially disposing a main salient pole, a first auxiliary salient pole, and a second auxiliary salient pole and an in stator salient pole corresponding to an in rotor salient pole is formed to have a pi (π) shape by sequentially disposing a first salient pole and a second salient pole, such that a magnetic flux path is reduced, thereby making it possible to prevent the loss of magnetic force. | 03-07-2013 |
20130076193 | LAMINATED CORE AND FABRICATION METHOD THEREOF - Disclosed herein is a laminated core used for a motor including an electric motor, wherein the core is formed of a soft magnetic composite and has a structure in which one or more unit laminates are laminated. Since the core is fabricated by laminating soft magnetic composites, the mechanical strength of the core formed of the soft magnetic composites can be improved. | 03-28-2013 |
20130082548 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor in which a position detection part capable of detecting a rotational position of the rotor part is formed in a balancing member coupled to a rotor part and a sensor part is positioned at a position corresponding to that of the position detection part and on a cover surface of an inner side of the motor housing. According to a preferred embodiment of the present invention, the sensor part is positioned in the motor housing, thereby making it possible to protect the sensor part and improve reliability in sensing of a rotational position of the rotor part by the sensor part. | 04-04-2013 |
20130082549 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator including a plurality of magnets and stator salient poles disposed between the plurality of magnets; and a rotor including salient poles formed at an inner diameter thereof so as to face the stator salient poles, wherein three stator salient poles are disposed between the magnets, the number of stator salient poles is 6*N and the number of salient poles of the rotor facing the stator salient poles is 3*N, where N indicates a natural number of 2 or more. | 04-04-2013 |
20130093269 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor in which a shaft of the motor and a shaft of a load are aligned with each other so that maximum torques of the motor and the shaft coincide with each other. | 04-18-2013 |
20130106337 | APPARATUS OF DRIVING WHEELS FOR IN-WHEEL SYSTEM | 05-02-2013 |
20130134805 | SWITCHED RELUCTANCE MOTOR - 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. | 05-30-2013 |
20130158942 | APPARATUS AND METHOD FOR DIAGNOSING FAULT OF MULTI-SENSOR OF MOTOR - Disclosed herein are an apparatus and a method for diagnosing a fault of a multi-sensor of a motor. The apparatus includes: a plurality of tachometers attached to the motor to measure rotation speeds; and a plurality of processors each connected directly to the plurality of tachometers to receive the measured rotation speeds, thereby securing a plurality of directly obtained rotation speeds, sharing the obtained rotation speeds with each other, thereby obtaining a plurality of indirectly obtained rotation speeds, and performing a fault diagnosis on the plurality of tachometers using the plurality of directly obtained rotation speeds and the plurality of indirectly obtained rotation speeds. | 06-20-2013 |
20130162064 | LAMINATED CORE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a laminated core used for a motor such as an electric motor, including: a unit laminate laminated in at least one layer and formed of a soft magnetic composite, wherein each powder particle forming the soft magnetic composite is insulation-coated. The preferred embodiments of the present invention can improve the mechanical strength of the core of the soft magnetic composite by manufacturing the core using the laminating method of the soft magnetic composite and reduce core loss by performing insulation coating on powder particles forming the soft magnetic composite. | 06-27-2013 |
20130169075 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a rotor part including a rotor core and rotor poles each formed to be protruded from the rotor core; and a stator part including a stator yoke rotatably receiving the rotor part therein and stator salient poles each formed to be protruded from the stator yoke so as to face the rotor poles, wherein a ratio of the number of stator salient poles to the number of rotor poles is (6×n+9):((6×n+9)+1) or (6×n+9):((6×n+9)−1), (n=0, 1, 2 . . . ), (where n=0, 1, 2 . . . ). | 07-04-2013 |
20130169082 | FAN MOTOR ASSEMBLY - Disclosed herein is a fan motor assembly. A motor includes a rotor unit and a stator unit. An impeller is provided on an upper end of a motor shaft of the motor. The impeller is rotated by the motor to suck air. The impeller includes a pair of plates that face each other, and a plurality of blades that are disposed between the plates at positions spaced apart from each other at regular intervals. A diffuser is disposed around an outlet formed in a periphery of the impeller. A motor housing encases the rotor unit and the stator unit therein. A sensing unit is provided on a lower end of the motor shaft that extends outwards from the motor housing. The sensing unit senses the rotation of the rotor unit. An inductor is installed in the motor housing. | 07-04-2013 |
20130171013 | MOTOR ASSEMBLY FOR VACUUM CLEANER - Disclosed herein is a motor assembly for a vacuum cleaner, the motor assembly including: an inlet introducing air therethrough; a motor; an impeller installed on a shaft of the motor and including a plurality of blades disposed at predetermined intervals between a pair of plates facing each other so that it rotates by the motor to suck the air; a diffuser disposed at an outer side of a discharge hole formed at an edge of the impeller; a first fan including a plurality of blade parts disposed at predetermined intervals while having the shaft as a concentric axis and disposed beneath the diffuser; and an outlet discharging the air to the outside. | 07-04-2013 |
20130175891 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a rotor part including a rotor core of which a shaft is fixedly coupled to a central portion and a plurality of rotor poles protruding from the rotor core; a stator part including a stator yoke rotatably receiving the rotor part therein and a plurality of stator salient poles protruding from the stator yoke so as to face the rotor poles; and auxiliary rotor poles coupled to outer portions of the rotor poles to rotate integrally with the rotor part. | 07-11-2013 |
20130181641 | UNIPOLAR SWITCHING APPARATUS OF SWITCHED RELUCTANCE MOTOR - 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. | 07-18-2013 |
20130207507 | ROTOR ASSEMBLY FOR MOTOR AND MANUFACTURING METHOD THEREOF - Disclosed herein are a rotor assembly for a motor in which separation type rotor cores having the other polarity are disposed between core members of integral type rotor cores having one polarity and the separation type rotor cores and the integral type rotor cores are fixed to each other using wedges or injection molding materials that are formed of a non-magnetic material, such that movement of magnetic fluxes between the integral type rotor cores and the separation type rotor core may be minimized, and a manufacturing method thereof. | 08-15-2013 |
20130278106 | ROTOR ASSEMBLY - According to a preferred embodiment of the present invention, in a structure in which a permanent magnet is embedded radially outwardly from a rotor portion, a pair of permanent magnets is embedded in a V-letter shape and a slit in a longitudinal direction is radially formed between the pair of permanent magnets. According to the preferred embodiment of the present invention, it is possible to implement relatively higher torque performance while minimizing the number of permanent magnets embedded in an interior permanent synchronous machine (IPMSM). | 10-24-2013 |
20130285483 | AXIAL FLUX PERMANENT MAGNET MOTOR - Disclosed herein is an axial flux permanent magnet (AFPM) motor including: a stator including a stator core, a magnet wire wound around the stator core, a shaft, and a stator core supporting member fixedly supporting the stator core to the shaft; and a rotor including a rotor case having a space part formed therein so as to receive the stator core therein, a magnet fixedly coupled to an inner side portion of the rotor case so as to face the stator core, and a bearing rotatably supporting the rotor case to the shaft. | 10-31-2013 |
20130285584 | MOTOR DRIVING APPARATUS AND METHOD - Disclosed herein are a motor driving apparatus and method. The motor driving apparatus includes: an inverter including a main driver sequentially activating N phases and a spare driver activating a spare phase substituting for a faulted phase among the activated N phases; a detecting unit detecting the respective output signals of the N phases; a switching unit performing switching so that the spare phase is connected to the faulted phase of the exited N phases; and a controlling unit driving the inverter to determine whether or not a fault is generated and control the switching unit so that the faulted phase is connected to the spare phase. Therefore, since the motor may be driven without replacing the inverter, a cost may be reduced, and since the motor may be driven without a change in the number of phases, the motor may be efficiently and stably driven. | 10-31-2013 |
20130293170 | SWITCHING CONTROL APPARATUS AND METHOD OF TWO-PHASE SWITCHED RELUCTANCE MOTOR - Disclosed herein are a switching control apparatus and method of a two-phase switched reluctance motor. The witching control apparatus includes: a rectifying unit rectifying commercial power; and an active converter including a pair of common switches commonly connected to two phase windings of the two-phase SRM, a pair of first phase switches bridge-connected to the pair of common switches at any one of the two phase windings, a pair of second phase switches bridged-connected to the pair of common switches at the other of the two phase windings and connected in series with each other, and a plurality of current feedback diodes each connected to the switches and operated in operation modes 1 to 3 to drive the two-phase SMR. | 11-07-2013 |
20130300328 | SWITCHING CONTROL APPARATUS FOR TWO PHASE SWITCHED RELUCTANCE MOTOR AND METHOD THEREOF - Disclosed herein are a switching control apparatus for two phase switched reluctance motor and a method thereof. The switching control apparatus includes a rectifier rectifying commercial power; and an active converter including a pair of common switches commonly connected to two phase windings of two phase SRMs, a pair of first phase switches bridge-connected to the pair of common switches at any one of the two phase windings, a pair of second phase switches bridge-connected to the pair of common switches at the other one of the two phase windings, and a plurality of current feedback diodes each connected to the switches, wherein the active converter is operated in operation modes | 11-14-2013 |