Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL DEVICE FOR BRUSHLESS DC MOTOR, CONTROL METHOD, CONTROL PROGRAM AND RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP3877658
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To securely start a brushless DC motor while reducing a power consumption.
SOLUTION: A position holding current is fed which holds for a prescribed time a rotor of the brushless DC motor at the startup of the brushless DC motor in a stopping state, the fed position holding current is made to circulate after the feed stop of the position holding current, and a startup current is fed in a state that the rotor is held in the stopping state by the position holding current flowing in a circulation path.


Inventors:
Yoshinori Nakayama
Yuichi Takeda
Isonori Tomonori
Application Number:
JP2002246855A
Publication Date:
February 07, 2007
Filing Date:
August 27, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Sanyo Electric Co., Ltd.
Sanyo Air Conditioners Co., Ltd.
International Classes:
H02P6/18; H02P1/18; H02P6/06; H02P6/08; H02P6/182; (IPC1-7): H02P6/18
Domestic Patent References:
JP2000023487A
JP2000350492A
Attorney, Agent or Firm:
Masayuki Kushibuchi
Kushibuchi Kazue