Title:
ROTOR
Document Type and Number:
Japanese Patent JP2007174842
Kind Code:
A
Abstract:
To provide a balanced rotor because noise may be generated if the rotor is unbalanced during high speed rotation.
In a rotor 26 containing a plurality of magnets 40 in a rotor core 36 through which the rotating shaft 28 penetrates, opposite end portions of the rotor core 36 are resin molded to form a cover portion 42, and a machined portion 46 for regulating balance is provided at the cover portion 42 by eliminating the cover portion 42.
Inventors:
SATO JUNICHI
Application Number:
JP2005370967A
Publication Date:
July 05, 2007
Filing Date:
December 22, 2005
Export Citation:
Assignee:
NIDEC SHIBAURA CORP
International Classes:
H02K5/08; H02K1/28; H02K5/24; H02K21/14; H02K29/00
Attorney, Agent or Firm:
Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita