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:
Aug. 29, 2006
Filed:
May. 24, 2004
Jianping Ying, Taoyuan Shien, TW;
Teng Liu, Taoyuan Shien, TW;
Xingkuan Guo, Taoyuan Shien, TW;
Jianhong Zeng, Taoyuan Shien, TW;
Jianping Ying, Taoyuan Shien, TW;
Teng Liu, Taoyuan Shien, TW;
Xingkuan Guo, Taoyuan Shien, TW;
Jianhong Zeng, Taoyuan Shien, TW;
Delta Electronics Inc., Taoyuan Hsien, TW;
Abstract
An apparatus for preventing a boost converter from an abnormal operation is provided. The boost converter includes a transformer, a full-wave rectifier circuit electrically connected to a secondary winding of the transformer, an output filter inductor, an output filter capacitor, a clamping circuit having two clamping diodes with two anodes electrically connected to each other to form a common-anode terminal, a first clamping capacitor with a first terminal electrically connected to a node joining the filter inductor and the filter capacitor, and a second terminal electrically connected to the common-anode terminal, and an energy recycle circuit, and the apparatus includes a controllable voltage source having a first terminal electrically connected to the node and a second terminal electrically connected to the energy recycle circuit.