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:
Jan. 24, 2023

Filed:

Dec. 17, 2019
Applicant:

Jtekt Corporation, Osaka, JP;

Inventors:

Toyoki Sugiyama, Kitakatsuragi-gun, JP;

Satoshi Shinoda, Neyagawa, JP;

Assignee:

JTEKT CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 21/14 (2016.01); H02P 9/10 (2006.01); B62D 5/04 (2006.01); H02J 7/00 (2006.01); H02M 3/155 (2006.01);
U.S. Cl.
CPC ...
B62D 5/04 (2013.01); H02J 7/007 (2013.01); H02M 3/155 (2013.01);
Abstract

An auxiliary power supply device includes an auxiliary power source and a booster circuit. The auxiliary power supply device is configured to be switched among a charging state, a holding state, and a discharging state. The auxiliary power source is configured to be switched between a serial connection mode and a parallel connection mode. The auxiliary power source is configured to perform boosting to supply power to the power supply target when the auxiliary power source is switched to the serial connection mode, and perform backup when the auxiliary power source is switched to the parallel connection mode.


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