Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/108528
Kind Code:
A1
Abstract:
The disclosed motor is able to increase the probability of a magnetic material being stopped at the boundaries of the north and south poles of a magnet and thereby prevent a coil stopping at a dead point. The motor (1) has: a central shaft (4); a rotating body (6), which rotates about the central shaft (4); substrates (2a, 2b), which are arranged so as to face the rotating body; a coil (7), which is provided at a location on either the rotating body or one of the substrates; a magnet (3), which is provided on the other location among the rotating body or substrates so as to face the coil, and is magnetised to have a plurality of poles around the circumference, centred on the central shaft; and a magnetic material (10), which is provided on the central shaft or the substrate so that the magnetic material (10) can face the magnet and is arranged on the central shaft side of the midpoint (11c) between the furthest point from the shaft (11b) and the closest point to the shaft (11a).
Inventors:
NISHIKAWA CHIAKI (JP)
OKADA MOTOYUKI (JP)
OKADA MOTOYUKI (JP)
Application Number:
PCT/JP2011/054600
Publication Date:
September 09, 2011
Filing Date:
March 01, 2011
Export Citation:
Assignee:
FINETECH CO LTD (JP)
NISHIKAWA CHIAKI (JP)
OKADA MOTOYUKI (JP)
NISHIKAWA CHIAKI (JP)
OKADA MOTOYUKI (JP)
International Classes:
H02K23/58; H02K21/24; H02K23/04; H02K23/66
Foreign References:
| JPH10174406A | 1998-06-26 | |||
| JPH11252886A | 1999-09-17 | |||
| JP2002186902A | 2002-07-02 | |||
| JP2006203972A | 2006-08-03 |
Attorney, Agent or Firm:
PATENT RELATED CORPORATION IPS (JP)
Patent business corporation Eye P. S. (JP)
Patent business corporation Eye P. S. (JP)
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Claims: