Title:
ROTOR AND METHOD FOR MANUFACTURING THE SAME AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2007/105811
Kind Code:
A1
Abstract:
A rotor comprising a rotor core (131) secured to a rotary shaft (120) and having
a hole (131A) for inserting a magnet, a magnet (132) inserted into the hole (131A),
and a resin portion (133) injected into the hole (131A) for inserting a magnet.
The rotor core (131) is constituted by laminating a plurality of magnetic steel
plates (1310) in the axial direction. The magnetic steel plates (1310) includes
magnetic steel plate (1312) having the hole (131A) for inserting a magnet and
a hole (131B) for reducing the weight provided separately from the hole (131A),
and magnetic steel plates (1311, 1313) located at at least one axial end of the
rotor core (131) and having a portion covering the hole (131B) formed in the magnetic
steel plate (1312).
Inventors:
HARUNO KENTARO (JP)
TAKEUCHI TAKETO (JP)
AMANO KATSUMI (JP)
FUKUMOTO TAKASHI (JP)
UEDA KAZUTOSHI (JP)
TAKEUCHI TAKETO (JP)
AMANO KATSUMI (JP)
FUKUMOTO TAKASHI (JP)
UEDA KAZUTOSHI (JP)
Application Number:
PCT/JP2007/055318
Publication Date:
September 20, 2007
Filing Date:
March 09, 2007
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
MITSUI HIGH TEC (JP)
HARUNO KENTARO (JP)
TAKEUCHI TAKETO (JP)
AMANO KATSUMI (JP)
FUKUMOTO TAKASHI (JP)
UEDA KAZUTOSHI (JP)
MITSUI HIGH TEC (JP)
HARUNO KENTARO (JP)
TAKEUCHI TAKETO (JP)
AMANO KATSUMI (JP)
FUKUMOTO TAKASHI (JP)
UEDA KAZUTOSHI (JP)
International Classes:
H02K1/27; H02K1/22; H02K15/02
Foreign References:
| JP2002247784A | 2002-08-30 | |||
| JP2005312259A | 2005-11-04 | |||
| JPH09294344A | 1997-11-11 |
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Nakanoshima Central Tower 22nd Floor, 2-7, Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, JP)
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