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. 14, 2014
Filed:
Mar. 04, 2009
Applicants:
Yen-hung Wu, Taoyuan Hsien, TW;
Tsung-jung Hsieh, Taoyuan Hsien, TW;
Yueh-lung Huang, Taoyuan Hsien, TW;
Inventors:
Yen-Hung Wu, Taoyuan Hsien, TW;
Tsung-Jung Hsieh, Taoyuan Hsien, TW;
Yueh-Lung Huang, Taoyuan Hsien, TW;
Assignee:
Delta Electronics, Inc., Kuei San, Taoyun Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 25/00 (2006.01); H03K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A brushless direct current (DC) motor includes a rotor, a stator and a driving unit. The rotor includes a plurality of magnetic poles. The stator includes a plurality of upper pole arms and a plurality of lower pole arms. The driving unit includes at least two coils wound on the upper pole arms and the lower pole arms respectively, and the driving unit generates an alternating magnetic field on the stator for driving the rotor.