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:
Feb. 04, 2020
Filed:
Apr. 03, 2017
Applicant:
Futurewei Technologies, Inc., Plano, TX (US);
Inventors:
Heping Dai, Plano, TX (US);
Liming Ye, Frisco, TX (US);
Dianbo Fu, Frisco, TX (US);
Daoshen Chen, Allen, TX (US);
Assignee:
Futurewei Technologies, Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/337 (2006.01); H02M 3/07 (2006.01); H02M 3/158 (2006.01); H02M 3/18 (2006.01); H02M 3/335 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/3372 (2013.01); H02M 3/07 (2013.01); H02M 3/1582 (2013.01); H02M 3/18 (2013.01); H02M 3/337 (2013.01); H02M 3/33576 (2013.01); H02M 2001/007 (2013.01); H02M 2001/0058 (2013.01);
Abstract
An apparatus comprises an isolated power converter coupled to an input dc power source, wherein the isolated power converter comprises a first switch network coupled to a first transformer winding and a second switch network coupled to a second transformer winding and a non-isolated power converter coupled to the second switch network of the isolated power converter, wherein a current flowing through the non-isolated power converter is a fraction of a current flowing through the isolated power converter.