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:
Sep. 01, 2020

Filed:

Feb. 02, 2017
Applicant:

Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US);

Inventor:

Masanori Ishigaki, Ann Arbor, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 3/00 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33584 (2013.01); H02M 3/005 (2013.01); H02M 3/33546 (2013.01); H02M 2001/0058 (2013.01);
Abstract

A power transfer system includes power conversion circuitry that has first circuitry and second circuitry on either side of a transformer that include a transformer having a power supply, a switch, a capacitor connected in parallel with a winding of the transformer, and an inductor connected between the power supply and the capacitor. The inductor provides an additional resonance current path through the power conversion circuitry that is configured to reduce a peak voltage at the switch. A direction of power transfer through the power conversion circuit is determined, and the first circuitry and the second circuitry are configured based on the determined direction of power transfer. The switches of the first circuitry and second circuitry are controlled using switching based on the determined direction of power transfer and a quantity of power transfer.


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