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.

Date of Patent:
Apr. 27, 2010

Filed:

Jun. 19, 2006
Applicants:

Bing Shen, Cary, NC (US);

Robert Hendry, Hillsborough, NC (US);

Cynthia Watkins, Dunn, NC (US);

Rama Venkatasubramanian, Cary, NC (US);

Inventors:

Bing Shen, Cary, NC (US);

Robert Hendry, Hillsborough, NC (US);

Cynthia Watkins, Dunn, NC (US);

Rama Venkatasubramanian, Cary, NC (US);

Assignee:

Research Triangle Institute, Research Triangle Park, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/22 (2006.01); H01H 47/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power conversion unit and method for converting DC power. The power conversion unit includes a self-oscillating device configured to convert a DC voltage into a self-oscillating alternating current AC signal, a transformer connected to the self-oscillating device and configured to transform the self-oscillating AC signal into a transformed AC signal, and an AC-to-DC converter configured to convert the transformed AC signal into a DC signal. The method generates a self-oscillating current, transforms the self-oscillating current into a transformed AC signal, and converts the transformed AC signal into a DC signal.


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