Title:
平滑電機子巻線形ACサーボモータのコア構造およびこのコア構造を用いた平滑電機子巻線形ACサーボモータ
Document Type and Number:
Japanese Patent JP4543415
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a core structure for smooth core armature AC servo motor which can improve yield of a stator core material, can be manufactured and assembled easily, and has little loss. SOLUTION: A smooth core armature AC servo motor is provided with a stator 2, constituted by attaching armature coils 4 to the inner peripheral surface of a cylindrical stator core 3, and a rotor 5 which is faced to the stator 2 with a gap in between and has permanent magnets 8, which are arranged on the rotator 5 in a state where the magnetic poles of the magnets 8 are changed alternately in polarity. The stator core 3 is formed by forming a plurality of longitudinal V-shaped notches 9A in silicon steel, constituting the metal plate of the core 3 and laminating one part of the steel sheet 9 upon another part of the sheet 9 in a helically wound state by bending the notches 9A. The number of the notches 9A per one round of the laminated steel 9 is adjusted, and a prime number relation is established between the numbers of notches 9A and of magnetic poles.
Inventors:
Ryuichiro Tominaga
Application Number:
JP17228499A
Publication Date:
September 15, 2010
Filing Date:
June 18, 1999
Export Citation:
Assignee:
Yaskawa Electric Co., Ltd.
International Classes:
H02K1/18; H02K1/27; H02K5/04; H02K15/02; H02K21/14
Domestic Patent References:
| JP11069670A | ||||
| JP63283455A | ||||
| JP63316648A | ||||
| JP62110468A | ||||
| JP7067272A | ||||
| JP6070524A | ||||
| JP5161325A |