Title:
MOTOR
Document Type and Number:
Japanese Patent JPH04347558
Kind Code:
A
Abstract:
PURPOSE: To sufficiently reduce a noise level and also reduce a cost by simplifying a structure to realize such low level noise.
CONSTITUTION: In a motor comprising a stator 1 which is formed by providing a winding 3 to a stator core 2 and a motor drive circuit for feeding electrical power to the winding 3, a piezoelectric element is provided to teeth 4 of the stator core 2 and this piezoelectric element is vibrated in the reverse phase against vibration of tooth 4 generated when an electrical power is supplied to the winding 3.
Inventors:
SHIRONOKUCHI HIDEKI
Application Number:
JP12085991A
Publication Date:
December 02, 1992
Filing Date:
May 27, 1991
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H02K5/24; H02K11/00; (IPC1-7): H02K5/24; H02K11/00
Attorney, Agent or Firm:
Tsuyoshi Sato (1 person outside)