Patent application number | Description | Published |
20120133222 | ELECTRIC VEHICLE USING ELECTRIC MOTOR AND ELECTRIC MOTOR - An electric motor includes a frame, a stator disposed in the frame, a rotor disposed in the frame, and a cooling unit configured to perform a cooling operation by supplying a cooling fluid into the frame. Under this configuration, a cooling function may be enhanced, and a high output density and high efficiency may be implemented. | 05-31-2012 |
20120299409 | ELECTRIC MOTOR AND ELECTRIC VEHICLE HAVING THE SAME - An electric motor disposed in an electric vehicle includes a stator, a first rotor located at an outer side of the stator, and a second rotor located at an inner side of the stator, wherein each of the first rotor and the second rotor includes a plurality of first permanent magnets and a plurality of second permanent magnets, made of different materials from each other, whereby a material cost can be reduced and an output can be enhanced. | 11-29-2012 |
20140062350 | APPARATUS FOR CONTROLLING MOTOR FOR ELECTRIC VEHICLE AND METHOD FOR REDUCING TORQUE RIPPLE USING THE SAME - An apparatus controlling an electric vehicle motor and a method to reduce torque ripple using the same are provided. | 03-06-2014 |
20140091670 | ELECTRIC MOTOR - An electric motor includes a stator, a case surrounding the stator, and a rotor rotatably disposed with respect to the stator. The rotor includes a rotor core having a plurality of poles and slots, a shaft coupled to a central portion of the rotor core, a rotor coil wound on the rotor core, and coil supporting members provided at the rotor core. The coil supporting members are configured to support the rotor coil such that the rotor coil is prevented from being separated from the rotor core in a radial direction when the rotor rotates. Under such a configuration, a short-circuit of the rotor coil due to a centrifugal force when the rotor rotates, can be prevented. | 04-03-2014 |
20140117807 | Rotor and motor and/or electric vehicle driving apparatus including the same - A motor includes a plurality of tooth bodies extending from a rotor core. A pole shoe extends from an end of at least one tooth body at opposite sides where both sides of the pole shoe have a curved outer part opposite to each other and asymmetric to each other in that a radius of curvature of the curved outer part of the one side of the pole shoe that is in a rotational direction of the rotor has a smaller radius than a radius of curvature of the other side of the pole shoe that is not in the rotational direction of the rotor. | 05-01-2014 |
20140117909 | DRIVING MOTOR FOR ELECTRIC VEHICLES AND CONTROL METHOD OF THE SAME - A driving motor for an electric vehicle includes a rotor having a field coil wound thereon and a stator having an armature coil wound thereon. The driving motor includes a motor control unit to perform temperature based control between the stator and the rotor based on which one has a higher temperature than the other, in order reduce a current value to the one having the higher temperature than the other. | 05-01-2014 |
20140285054 | STATOR OF ELECTRIC MACHINE, ELECTROMOTOR HAVING THE SAME, AND ELECTRIC VEHICLE HAVING THE ELECTROMOTOR - A stator of an electric machine of the power saving interval may include a stator core having a plurality of slots, and a stator winding wound around the slot, wherein the stator winding has a plurality of winding portions connected in parallel with one another for each phase, and each of the winding portions has a segment conductor inserted into three or more slots for each pole. As a result, it may be possible to increase the number of rotations and reduce the external size thereof while maintaining the same output. | 09-25-2014 |