The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2006
Filed:
Dec. 10, 2003
Hideki Nakata, Shijounawate, JP;
Mitsuo Ueda, Nishinomiya, JP;
Hideo Matsushiro, Kusatsu, JP;
Masanori Ogawa, Kusatsu, JP;
Mitsuo Kawaji, Kusatsu, JP;
Tomohiro Sugimoto, Kusatsu, JP;
Hideki Nakata, Shijounawate, JP;
Mitsuo Ueda, Nishinomiya, JP;
Hideo Matsushiro, Kusatsu, JP;
Masanori Ogawa, Kusatsu, JP;
Mitsuo Kawaji, Kusatsu, JP;
Tomohiro Sugimoto, Kusatsu, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In a motor control apparatus of the present invention, a control section which receives an input voltage to an inverter circuit, a motor current flowing to a brushless motor and a motor current command value indicating the value of a current required to flow to the inverter circuit, and controls the inverter circuit by maintaining a phase of the voltage applied to the brushless motor when the value of the input voltage to the inverter circuit is smaller than the value of a voltage required to be applied to the brushless motor.