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. 21, 2026

Filed:

Jun. 30, 2023
Applicant:

Solum Co., Ltd., Gyeonggi-do, KR;

Inventors:

Sang Keun Ji, Gyeonggi-do, KR;

Jae Eun Kim, Seoul, KR;

Dong Kyun Ryu, Seoul, KR;

Assignee:

SOLUM CO., LTD., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/00 (2006.01); H02M 3/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33573 (2021.05); H02M 1/0048 (2021.05); H02M 3/01 (2021.05); H02M 3/33576 (2013.01);
Abstract

A phase shift full bridge (PSFB) converter includes a switch portion including first to fourth switches connected in a form of a full bridge, a transformer configured to convert the output of the switch portion, a rectifying portion including at least one of a switch and a diode and configured to rectify the output of the transformer, a resonance inductor having an end connected to another end of a primary portion of the transformer and another end connected to a node between the third switch and the fourth switch, a first clamp diode having an end connected to an end of the first switch and another end connected to the other end of the primary portion of the transformer, and a second clamp diode having an end connected to the other end of the primary portion of the transformer and another end connected to another end of the second switch.


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