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:
Apr. 27, 2021
Filed:
Mar. 06, 2019
Applicant:
Feng-tien Chen, Taichung, TW;
Inventor:
Feng-Tien Chen, Taichung, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 25/22 (2006.01); H02P 25/20 (2006.01);
U.S. Cl.
CPC ...
H02P 25/20 (2013.01); H02P 25/22 (2013.01);
Abstract
A motor device includes a stator unit including a plurality of first slots, a rotor unit rotatable relative to the stator unit, a winding unit, and a transfer switch unit. The winding unit includes first and second windings installed in the first slots. Number of poles of the first winding is less than that of the second winding. The transfer switch unit is electrically connected to the first and second windings, and is controlled to allocate access to electricity to each of the first and second windings.