Title:
MULTI-PHASE CLAW POLE MOTOR
Document Type and Number:
Japanese Patent JP2020054025
Kind Code:
A
Abstract:
To provide a multi-phase claw motor capable of reducing cost on a pressed powder material while a claw part is formed by the pressed powder material.SOLUTION: A multi-phase claw pole motor comprises: a plurality of claw magnetic poles 30 consisting of a plurality of claw parts 31 and circular parts extending to an outer side in a radial direction from the claw parts 31; and circular coils 4. The claw magnetic pole 30 is formed of a magnetic compact obtained by electrically insulating a surface of magnetic powder and compressing it. A notch 36 is arranged on an outer peripheral side of the claw magnetic pole 30. The notch 36 may be notched to a depth where at least a part of the circular coil 4 is exposed from the circular part of the claw magnetic pole 30.SELECTED DRAWING: Figure 8
Inventors:
NITTA ISAMU
Application Number:
JP2018178265A
Publication Date:
April 02, 2020
Filing Date:
September 25, 2018
Export Citation:
Assignee:
NSK LTD
International Classes:
H02K21/14; H02K1/02; H02K1/14; H02K16/00
Attorney, Agent or Firm:
Yoshiyuki Inaba
Katsuro Tanaka
Katsuro Tanaka