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. 05, 2016
Filed:
Mar. 25, 2014
Applicant:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu-shi, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 1/02 (2006.01); H02K 3/00 (2006.01); H02K 3/50 (2006.01); H02K 5/15 (2006.01); H02K 5/20 (2006.01); H02K 5/22 (2006.01); H02K 11/00 (2006.01); H02K 5/04 (2006.01); H02K 9/00 (2006.01);
U.S. Cl.
CPC ...
H02K 3/00 (2013.01); H02K 3/50 (2013.01); H02K 5/04 (2013.01); H02K 5/15 (2013.01); H02K 5/20 (2013.01); H02K 5/225 (2013.01); H02K 9/00 (2013.01); H02K 11/0073 (2013.01);
Abstract
A motor drive device includes a motor including a high-speed drive winding and a low-speed drive winding, a winding switching portion switching the connection states of the high-speed drive winding and the low-speed drive winding of the motor, a power conversion portion connected to the motor, and a plurality of case portions housing at least the motor, the winding switching portion, and the power conversion portion, while the plurality of case portions are coupled to each other.