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Title:
PERMANENT MAGNET FOR MOTOR, MOTOR HOUSING AND MOTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/059603
Kind Code:
A1
Abstract:
[PROBLEMS] To improve the resistance to an organic solvent and the deterioration with age of a motor device. [MEANS FOR SOLVING PROBLEMS] A motor device, wherein an exiting magnet is formed with an anisotropic bonded magnet (13) in a hollow and cyrindrical form, and the bonded magnet (13) is forced into and held in a housing (12), wherein the bonded magnet (13) comprises an anisotropic bonded magnet in a hollow and cyrindrical form being prepared by kneading an anisotropic rare earth magnetic powder with a phenol-novolac type epoxy resin, followed by forming, and wherein the anisotropic bonded magnet (13) is forced into the housing (12) along the internal circumference thereof, and the exposed surface layer of the anisotropic rare earth bonded magnet having been forced into the housing is subjected to a penetration treatment (defined in the specification) with a polyamideimide based resin and is covered by a coating layer.

Inventors:
Honkura, Yoshinobu c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Matsuoka, Hiroshi c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Kano, Atsushi c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Noguchi, Kenji c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Mitarai, Hironari c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Kan, Satoru c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Application Number:
PCT/JP2005/021891
Publication Date:
June 08, 2006
Filing Date:
November 29, 2005
Export Citation:
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Assignee:
AICHI STEEL CORPORATION (1 Wano-wari, Arao-machi Tokai-sh, Aichi 66, 47686, JP)
Honkura, Yoshinobu c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Matsuoka, Hiroshi c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Kano, Atsushi c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Noguchi, Kenji c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Mitarai, Hironari c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
Kan, Satoru c/o AICHI STEEL CORPORATION 1 (Wano-wari Arao-machi, Tokai-sh, Aichi 66, 47686, JP)
International Classes:
H01F41/02; F02M37/10; F04B9/00; H01F1/053; H01F1/08; H01F7/02; H02K1/17; H02K23/04
Foreign References:
JP2004039822A
JP2002033209A
JP2002270415A
JPH04273413A
JPH08126264A
JPH1022153A
JPS63133610A
JPH05182850A
JPS6063901A
JPH0822910A
Other References:
See also references of EP 1818955A1
Attorney, Agent or Firm:
Fujitani, Osamu (Marunouchi KS Bldg. 16F, 18-25 Marunouchi 2-chome, Naka-k, Nagoya-shi Aichi, 460-0002, JP)
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