Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BRUSHLESS MOTOR
Document Type and Number:
Japanese Patent JP2012165521
Kind Code:
A
Abstract:

To provide a brushless motor having high volumetric efficiency.

A brushless motor includes: a rotor frame 11 that is rotatable around a shaft and has an inner wall surface; an annular magnet 12 that is mounted on the inner wall surface of the rotor frame 11; and a stator that is arranged on an inner circumferential side of the rotor frame 11 so as to face the magnet 12 and generates a field that rotates the magnet 12. The stator has: a plurality of laminated plate-like bodies 51; and end plates 52a and 52b that are overlaid on respective planes 51a and 51b of the plate-like bodies 51. Each of the end plates 52a and 52b has: a main body 101; and an outer circumferential edge 102 that is provided at an outer circumferential end of the main body 101 and is bent so as to form a right angle or an obtuse angle with the main body 101.


Inventors:
INOUE YASUHIRO
KADOWAKI KOJI
KUNISHIGE YASUO
TAKAMI NORIO
SUZUKI SHINYA
Application Number:
JP2011022748A
Publication Date:
August 30, 2012
Filing Date:
February 04, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MINEBEA MOTOR MFG CORP
MINEBEA CO LTD
International Classes:
H02K1/18; H02K21/22; H02K29/08
Attorney, Agent or Firm:
Yutaka Tsubaki
Miho Takeuchi
Ishikawa Tatsuro
Tsuyoshi Shiraka