Title:
FERRITE THREE-PHASE PERMANENT MAGNET MOTOR
Document Type and Number:
WIPO Patent Application WO/2012/119301
Kind Code:
A1
Abstract:
A ferrite three-phase permanent magnet motor is provided. The rotor core (1) of the motor is provided with multiple pairs of permanent magnets (4), and the stator core (2) of the motor is provided with three-phase windings. The number Z of the teeth of the stator core is 12. Front and rear sides and left and right sides of each tooth (40) are formed with grooves for embedding the windings. A phase includes four centralized windings that are connected in series and coiled on the four teeth, respectively. Twelve teeth coiled by the three-phase windings A, B and C are arranged in an A-B-C-A-B-C-A-B-C-A-B-C manner. The permanent magnets arranged in the rotor iron core are made from magnetically hard ferrite, and the number 2P of magnetic poles is 10. The motor is driven by a three-phase square wave or a sine wave current when the motor is utilized as an electric motor, so that the motor has the advantages of minimum winding end part, small location moment, low copper and iron consumption.
Inventors:
DU KUNMEI (CN)
CAO LIMING (CN)
CAO LIMING (CN)
Application Number:
PCT/CN2011/071572
Publication Date:
September 13, 2012
Filing Date:
March 07, 2011
Export Citation:
Assignee:
ZHEJIANG BOWISE TECHNOLOGY DEV CO LTD (CN)
DU KUNMEI (CN)
CAO LIMING (CN)
DU KUNMEI (CN)
CAO LIMING (CN)
International Classes:
H02K1/16; H02K1/27
Foreign References:
| CN2602538Y | 2004-02-04 | |||
| CN2560153Y | 2003-07-09 |
Attorney, Agent or Firm:
SHENZHEN STANDARD PATENT & TRADEMARK AGENT LTD. (CN)
深圳市顺天达专利商标代理有限公司 (CN)
深圳市顺天达专利商标代理有限公司 (CN)
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Claims: