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:
Sep. 09, 2014
Filed:
Aug. 10, 2011
Applicants:
Jih-sheng Lai, Blacksburg, VA (US);
Wensong Yu, Blacksburg, VA (US);
Inventors:
Jih-Sheng Lai, Blacksburg, VA (US);
Wensong Yu, Blacksburg, VA (US);
Assignee:
Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/44 (2006.01); H03K 17/06 (2006.01); H02M 7/797 (2006.01); H03K 17/567 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 7/797 (2013.01); Y02B 70/1441 (2013.01); Y02B 70/1491 (2013.01); H03K 17/06 (2013.01); H02M 2001/0048 (2013.01); H03K 17/567 (2013.01);
Abstract
A hybrid switch comprising two semiconductor switches connected in parallel but having different voltage drop characteristics as a function of current facilitates attainment of zero voltage switching and reduces conduction losses to complement reduction of switching losses achieved through zero voltage switching in power converters such as high-current inverters.