Title:
MOTOR STATOR AND PERMANENT MAGNET ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/080597
Kind Code:
A1
Abstract:
Provided are a stator capable of ensuring the creepage distance and being applicable to a compact motor, and a permanent magnet rotating electric machine.
A motor stator (1) is provided with a yoke core (11) and a plurality of tooth cores (12) extending in the radial direction of the core (11). In the motor stator (1), a plurality of bobbins (13) attached to the tooth cores (12) and produced from an insulating material are provided, the bobbin (13) is configured from a body part (131) around which the exciting winding of the stator (1) is wound, and flange parts (132, 133) formed at both ends of the body part (131), and at an end surface in the circumferential direction of the inner diameter-side flange part (132, 133) of the flange parts (132, 133), a fitting section for fitting projecting and recessed sections of the flange parts (132, 133) of adjacent bobbins (13) to each other to thereby connect the plurality of bobbins (13) in the circumferential direction is provided.
Inventors:
SAKAI TOSHIHIKO (JP)
FUJITAKE MASASHI (JP)
YOKOYAMA HIROKI (JP)
FUJITAKE MASASHI (JP)
YOKOYAMA HIROKI (JP)
Application Number:
PCT/JP2012/066179
Publication Date:
June 06, 2013
Filing Date:
June 25, 2012
Export Citation:
Assignee:
HITACHI IND EQUIPMENT SYSTEM CO LTD (JP)
SAKAI TOSHIHIKO (JP)
FUJITAKE MASASHI (JP)
YOKOYAMA HIROKI (JP)
SAKAI TOSHIHIKO (JP)
FUJITAKE MASASHI (JP)
YOKOYAMA HIROKI (JP)
International Classes:
H02K3/46; H02K1/18; H02K21/16
Foreign References:
| JP2007306684A | 2007-11-22 | |||
| JP2011172445A | 2011-09-01 |
Attorney, Agent or Firm:
Patent Corporate Body Dai-ichi Kokusai Tokkyo Jimusho (JP)
The first international patent firm of a patent business corporation (JP)
The first international patent firm of a patent business corporation (JP)
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Claims: