Patent application number | Description | Published |
20090295496 | BALUN - A balun having a first balanced terminal, a second balanced terminal and an unbalanced terminal, includes a filter unit and a first transmission line. The filter unit is connected to the first balanced terminal, the second balanced terminal and the unbalanced terminal, and includes a low-pass filter and a high-pass filter. The first transmission line is connected between the filter unit and the first balanced terminal. | 12-03-2009 |
20120081869 | PRINTED CIRCUIT BOARD FOR REDUCING CROSSTALK - There is provided a printed circuit board for reducing crosstalk, having a capacitive impedance component connected between signal and ground patterns, the printed circuit board including: signal patterns including a first signal pattern transferring low frequency signals and a second signal pattern transferring high frequency signals; ground patterns including a first ground pattern connected to the first signal pattern and a second ground pattern connected to the second signal pattern which are separated from each other; and a conductive shielding film connected between the first and second ground patterns and shielding electromagnetic waves generated from the printed circuit board. Accordingly, crosstalk between the low and high frequency signals may be reduced. | 04-05-2012 |
20120161914 | TRANSFORMER - There is provided a transformer having a minimized thickness. The transformer includes: insulating layers; and coil units including primary and secondary coils disposed on the insulating layers to have a common center. | 06-28-2012 |
20130076212 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator part including a plurality of salient poles formed at an inner peripheral surface thereof and coils wound around the salient poles; and a rotor part rotatably inserted into an inner portion of the stator part to thereby rotate in one direction by a reluctance torque, wherein the rotor part includes: a rotor including a rotor core provided with a shaft hole into which a shaft is inserted and a plurality of rotor salient poles formed to be protruded from the rotor core so as to face the salient poles of the stator part; and a blade part disposed between the rotor salient poles to thereby generate a fluid flow in a direction of the shaft. | 03-28-2013 |
20130175904 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator; a rotor rotating based on a motor shaft with respect to the stator; a housing having a cup shape and receiving the stator and the rotor therein and including a receiving groove at a central portion of a lower surface thereof; a sensor part including a disk coupled to a predetermined position of a lower portion of the motor shaft extended up to the receiving groove and a sensor detecting a rotational state of the disk, and mounted on the outside of the housing; and filter shielding the sensor part. | 07-11-2013 |
20140042852 | 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, wherein a ratio between the number of stator slots by the stator core and the number of poles of the rotor by the magnet is (6×n+9):((6×n+9)+1) or (6×n+9):((6×n+9)−1) where n indicates a positive integer number including 0. | 02-13-2014 |
20140175931 | AXIAL FLUX PERMANENT MAGNET MOTOR - An axial flux permanent magnet motor includes a shaft, a rotor extending from the shaft in a radial direction, the rotor being rotatably mounted on the shaft, a magnet part disposed on the rotor to face downwardly in an axial direction, the magnet part having N poles and S poles, alternately disposed in a circumferential direction, a support member extending from the shaft in a radial direction, the support member being disposed below the rotor in the axial direction, and an electromagnet part disposed on the support member to face the magnet part in the axial direction. An axial distance between facing surfaces of the magnet part and the electromagnet part repeatedly changes in the circumferential direction. | 06-26-2014 |
20140183992 | MOTOR AND MANUFACTURING METHOD THEREOF - 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. | 07-03-2014 |
20140346904 | SWITCHED RELUCTANCE MOTOR - 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). | 11-27-2014 |