Title:
PM TYPE STEPPING MOTOR
Document Type and Number:
Japanese Patent JP2015095947
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a claw-pole PM stepping motor in which noise is reduced.SOLUTION: A claw-pole PM stepping motor includes a bobbin 330 having a substantially cylindrical portion around which an exciting coil 340 is wound and having a recess formed in the inner periphery. Two sets of stator are arranged to hold the bobbin 330 therebetween, and the stator has a yoke 310 inside of stator and a yoke 320 outside of stator having a plurality of pole teeth 311, 323 located on the inside of the bobbin 330. The pole teeth 311, 323 are housed in the recess of the bobbin 330, and secured to the bobbin 330 in the recess by means of an adhesive.
Inventors:
SUZUKI TOSHINORI
MURAKAMI NAOYA
MURAKAMI NAOYA
Application Number:
JP2013233719A
Publication Date:
May 18, 2015
Filing Date:
November 12, 2013
Export Citation:
Assignee:
MINEBEA CO LTD
International Classes:
H02K37/14
Attorney, Agent or Firm:
Suenari Mikio