Title:
STATOR AND MOTOR
Document Type and Number:
Japanese Patent JP2015192551
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a stator which improves efficiency of a motor, and the motor.SOLUTION: The stator includes: a first stator core and a second stator core which have a shape equal to each other and with which N pieces of teeth disposed in two slot pitches are disposed in a nesting manner while being deviated by one slot pitch; and a coil which is folded in a rectangular wave shape in a circumferential direction and held between the first stator core and the second stator core. Each of the first stator core and the second stator core includes: a first core formed from axially laminated electromagnetic steel plates and including a yoke part and N pieces (N is an integer) of first tooth parts protruding radially inside at intervals of two slot pitches; and N pieces of second cores formed from axially laminated electromagnetic steel plates and including second tooth parts which are fixed while being overlapped in the same shape as the first tooth parts, and circumferential parts which are curved radially outside with the same curvature as the yoke part and have a 1/2N length of the yoke part. The first tooth parts and the second tooth parts configure teeth.
Inventors:
TAKEDA TAKESHI
Application Number:
JP2014068883A
Publication Date:
November 02, 2015
Filing Date:
March 28, 2014
Export Citation:
Assignee:
AISIN AW CO
International Classes:
H02K1/14; H02K1/02
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito