Title:
AXIAL AIR GAP BLUSHLESS MOTOR
Document Type and Number:
Japanese Patent JP3254130
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To remove torque harmonics and easily realize mutual connection of the necessary windings by providing a winding pattern for generating a torque function which is distributed in the shape of a sine wave to an axial air gap brushless motor.
SOLUTION: An axial air gap brushless motor comprises a rotor 16 having a plurality of permanent magnetic poles, a plurality of conductive layers and a stator 12 having a connecting layer for connecting the conductive layers. A motor is operated by energizing the conductive layers with a 3-phase current. The current increases a magnetic field of a conductor and its magnetic field mutually operates in combination with the magnetic field of a permanent magnet. Magnets 18a, 18b are separated with each other to make smallest the torque ripple by minimizing odd number harmonics.
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Inventors:
Shin Tian Wong
Application Number:
JP14583796A
Publication Date:
February 04, 2002
Filing Date:
June 07, 1996
Export Citation:
Assignee:
KOLLMORGEN CORPORATION
International Classes:
H02K29/00; H02K3/28; H02K21/24; H02K29/03; (IPC1-7): H02K29/00
Domestic Patent References:
| JP59165935A | ||||
| JP58136244A | ||||
| JP59117453A | ||||
| JP60237831A | ||||
| JP5276727A | ||||
| JP59220062A | ||||
| JP3816655B1 |
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)
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