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. 07, 2014
Filed:
Apr. 09, 2010
Hongyuan Jin, Shanghai, CN;
Hongjian Gan, Shanghai, CN;
Hongyuan Jin, Shanghai, CN;
Hongjian Gan, Shanghai, CN;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
The configurations of a bridgeless PFC circuit and a controlling method thereof are provided. The proposed circuit includes an AC power source, a first and a second bridge arms, each of which has a middle point, wherein the first terminal of the first bridge arm connects the first terminal of the second bridge arm, the second terminal of the first bridge arm connects the second terminal of the second bridge arm, and the middle point of the second bridge arm connects the second terminal of the AC power source, a bidirectional switch module connected to the two middle points, an inductor having a first terminal coupled to the AC power source and a second terminal coupled to the middle point of the first bridge arm and a sensing circuit magnetically coupled to the inductor.