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Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2010/124590
Kind Code:
A1
Abstract:
A motor comprises a motor body (501), a controller and an electromagnetic sensor. The electromagnetic sensor is used for sensing rotation of a motor shaft, and outputs sensed voltage signals to the controller. The rotation angle or the position of the motor shaft is obtained by the controller. Thus accurate control of the motor is realized. The number of magnet poles involved in the electromagnetic sensor used in the motor is independent of the number of rotor magnet poles of the motor. Thus the match between the motor and the electromagnetic sensor is flexiable. Because the sensor is applied to the motor, control accuracy, response speed of the system, and reliability are improved, and production cost is reduced.

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Inventors:
HAO SHUANGHUI (CN)
HAO MINGHUI (CN)
Application Number:
PCT/CN2010/072101
Publication Date:
November 04, 2010
Filing Date:
April 23, 2010
Export Citation:
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Assignee:
ZHEJIANG GUANXI ELECTRIC & MOT (CN)
HAO SHUANGHUI (CN)
HAO MINGHUI (CN)
International Classes:
H02K29/08; G01D5/14; H02K3/28; H02P6/16
Domestic Patent References:
WO1995006971A11995-03-09
WO2008102556A12008-08-28
WO2008043421A22008-04-17
Foreign References:
CN101421589A2009-04-29
CN1276235C2006-09-20
CN2476133Y2002-02-06
JP2007306635A2007-11-22
CN2369398Y2000-03-15
US7023203B22006-04-04
CN201490863U2010-05-26
CN201435666Y2010-03-31
Attorney, Agent or Firm:
BEIJING SUNHOPE INTELLECTUAL PROPERTY LTD. (Kunxun PlazaZhichun Road 9,Haidian District, Beijing 1, CN)
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