Title:
MAGNETICALLY CENTERED TORQUE MOTOR
Document Type and Number:
Japanese Patent JP3636437
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a limited angular displacement motor where a shaft has proper angle centering characteristics, without the assistance of independent magnetically centering mechanism.
SOLUTION: At a second axial direction position (24) of a stator (18), this motor (15) becomes driving magnetic constitution (23) wherein radial magnetic pole segments (35) spreads over the whole periphery of the stator, and the torque as a function of a current applied to a coil (19) is generated on a rotor (16). At a first axial direction position (21) of the stator, the motor is made centered of magnetic constitution where the magnetic pole segments are interlaced, so as to form a group, corresponding to a magnet of the rotor, and a torque as the function of rotor angle displacement (A) is generated on the rotor. Thereby centering function is obtained without special mechanism, and output torque of the rotor is increased.
Inventors:
Dominic Spano
Application Number:
JP2001245495A
Publication Date:
April 06, 2005
Filing Date:
August 13, 2001
Export Citation:
Assignee:
Moog Incorporated
International Classes:
H02K33/00; H02K1/16; H02K7/106; H02K16/04; H02K26/00; (IPC1-7): H02K33/00
Domestic Patent References:
| JP10028359A | ||||
| JP60128855A |
Foreign References:
| US4596970 | ||||
| US4600910 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Toru Mori
Yukio Iwamoto
Hajime Asamura
Toru Mori
Yukio Iwamoto
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