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Title:
STRUCTURE OF STATOR OF MULTIPLE SHAFT MULTILAYER MOTOR
Document Type and Number:
Japanese Patent JP2004312800
Kind Code:
A
Abstract:

To provide a structure of a stator of a multiple shaft multilayer motor which can reduce a loss due to an induced current, reduce the amount of a leakage magnetic flux from a main magnetic flux, and raise stator rigidity due to the force generated from the motor, together.

The multiple shaft multilayer motor M includes an inner rotor IR and an outer rotor OR disposed in a concentric disc shape via the stator S so that the stator S has positioning members for positioning a plurality of divided stator teeth 41 with coils 42 at an equal pitch interval on the circumference. The multiple shaft multilayer motor M further includes engaging parts 55a of the stator teeth 41 each composed of a laminated steel sheet and disposed at an equal interval on the circumference as the positioning members. Ring shaped members 55 obtained by finely forming the members between the engaging parts 55a and 55a are used. The ring shaped members 55 are set to the inner peripheral positions of the stator teeth 41. And, the stator tees 41 divided into the engaging parts 55a of the ring shaped members 55 are assembled.


Inventors:
TAN AKIHIKO
MIYAKE SHUZO
Application Number:
JP2003099418A
Publication Date:
November 04, 2004
Filing Date:
April 02, 2003
Export Citation:
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Assignee:
NISSAN MOTOR
International Classes:
H02K1/18; H02K1/02; H02K1/04; H02K1/12; H02K1/20; H02K16/02; (IPC1-7): H02K1/18; H02K1/02; H02K1/04; H02K1/12; H02K1/20; H02K16/02
Domestic Patent References:
JP2001359261A2001-12-26
JP2003070199A2003-03-07
JP2001275284A2001-10-05
JPH09117118A1997-05-02
JP2001178029A2001-06-29
JPS6144017U1986-03-24
JP2001025186A2001-01-26
JPH04229049A1992-08-18
Attorney, Agent or Firm:
Masamichi Ayata
Satoru Asakura