Title:
ロータおよびその製造方法ならびに電動車両
Document Type and Number:
Japanese Patent JP4856990
Kind Code:
B2
Abstract:
A rotor includes: a rotor core fixedly attached to a rotational shaft and having a magnet-inserted hole portion; a magnet inserted into the magnet-inserted hole portion; and a resin portion injected into the magnet-inserted hole portion. The rotor core is constructed by axially stacking a plurality of electromagnetic steel sheets. The electromagnetic steel sheets include: an electromagnetic steel sheet having the magnet-inserted hole portion and a weight-reducing-purpose hole portion provided separately from the magnet-inserted hole portion; and an electromagnetic steel sheet located on at least one axial end of the rotor core and having a portion covering the hole portion formed in the electromagnetic steel sheet.
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Inventors:
Kentaro Haruno
Takeuchi Kento
Katsumi Amano
Takashi Fukumoto
Kazutoshi Ueda
Takeuchi Kento
Katsumi Amano
Takashi Fukumoto
Kazutoshi Ueda
Application Number:
JP2006067651A
Publication Date:
January 18, 2012
Filing Date:
March 13, 2006
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Mitsui High Tech Co., Ltd.
Mitsui High Tech Co., Ltd.
International Classes:
H02K1/27; H02K1/22; H02K15/02
Domestic Patent References:
| JP4049825A | ||||
| JP2005312259A | ||||
| JP9294344A |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Tadashi Muto
Toshio Morita
Tadashi Muto