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:
Nov. 17, 2015
Filed:
Dec. 06, 2012
Applicant:
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Shigenori Inoue, Hitachi, JP;
Shuji Katoh, Hitachiota, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/219 (2006.01); H02M 7/10 (2006.01); H02M 1/32 (2007.01); H02M 7/483 (2007.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
H02M 7/10 (2013.01); H02M 1/32 (2013.01); H02M 7/483 (2013.01); H02M 2001/0003 (2013.01); H02M 2001/0064 (2013.01); H02M 2007/4835 (2013.01);
Abstract
A power conversion device includes at least two legs connected in parallel each of which includes at least two unit converters connected in series, wherein at least one of the legs is formed using at least two kinds of unit converters including a first type unit converter capable of outputting a unipolar voltage and a second type unit converter capable of outputting a bipolar voltage.