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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.:

US 10404095 B1

PDFFull Text
Date of Patent:
Sep. 03, 2019

Filed:

Apr. 22, 2015

Uninterruptible power supply unit

Applicant:

Fdk Corporation, Tokyo, JP;

Inventors:

Jinichi Sakamoto, Tokyo, JP;

Takashi Kabasawa, Tokyo, JP;

Assignee:

FDK CORPORATION, Tokyo, JP;

Attorney:

Kinney & Lange, P.A.

Primary Examiner:

Fritz M Fleming

Assistant Examiner:

Jagdeep S Dhillon

Int. Cl.
CPC ...
H02J 9/06 (2006.01); H01M 10/44 (2006.01); H01M 10/42 (2006.01); H02J 7/00 (2006.01); H01M 10/46 (2006.01); H02J 7/34 (2006.01); H01M 10/34 (2006.01);
U.S. Cl.
CPC ...
H02J 9/061 (2013.01); H01M 10/425 (2013.01); H01M 10/44 (2013.01); H01M 10/46 (2013.01); H02J 7/0021 (2013.01); H02J 7/0031 (2013.01); H02J 7/0068 (2013.01); H02J 7/34 (2013.01); H02J 9/062 (2013.01); H01M 10/345 (2013.01); Y02E 60/124 (2013.01);
Abstract

An uninterruptible power supply unit is configured such that, during charging of a first battery pack, and until, after the first battery pack is charged to a fully charged state, the voltage of the first battery pack is lowered below an upper limit voltage of a load device, discharging of the first battery pack is prohibited, and discharging of the second battery pack is allowed, and such that, during charging of a second battery pack, and until, after the second battery pack is charged to a fully charged state, the voltage of the second battery pack is lowered below the upper limit voltage of the load device, discharging of the second battery pack is prohibited, and discharging of the first battery pack is allowed.

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