Title:
ROTOR OF SYNCHRONOUS ELECTRIC MOTOR, BLOWER ELECTRIC MOTOR, AIR CONDITIONER, PUMP AND WATER HEATER
Document Type and Number:
Japanese Patent JP2009189155
Kind Code:
A
Abstract:
To provide a rotor of a synchronous electric motor for improving output and efficiency without increasing vibration and noise of the synchronous electric motor.
In the rotor 100 of the synchronous electric motor, a ring-like magnet 1 is arranged on a surface of a back yoke 2 of a magnetic body. An outer peripheral face of the magnet 1 has an almost perfect circle, a pole center 3 being a center part of a magnet pole is thick, and an interpole part 4 whose magnetic pole switches is thin. The pole center 3 includes a uniform thickness part 5 whose thickness in a radial direction becomes uniform for a prescribed length in a circumferential direction.
Inventors:
MATSUOKA ATSUSHI
BABA KAZUHIKO
ISHII HIROYUKI
SHIBAYAMA KATSUMI
MATSUNAGA NORIAKI
BABA KAZUHIKO
ISHII HIROYUKI
SHIBAYAMA KATSUMI
MATSUNAGA NORIAKI
Application Number:
JP2008026603A
Publication Date:
August 20, 2009
Filing Date:
February 06, 2008
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02K1/27; F24F1/00; F24H9/00; H02K21/14
Domestic Patent References:
| JPH0956092A | 1997-02-25 | |||
| JP2001211581A | 2001-08-03 | |||
| JP2005304178A | 2005-10-27 | |||
| JP2007135346A | 2007-05-31 | |||
| JP2007221866A | 2007-08-30 |
Foreign References:
| WO2004073145A1 | 2004-08-26 |
Attorney, Agent or Firm:
Shoji Mizoi