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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 9061596 B1

PDFFull Text
Date of Patent:
Jun. 23, 2015

Filed:

Aug. 30, 2010

Charging device and charging method for power storage device

Applicant:

Yoshinobu Sugiyama, Toyota, JP;

Inventor:

Yoshinobu Sugiyama, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Oliff PLC

Primary Examiner:

Richard Isla Rodas

Assistant Examiner:

Michael DiBenedetto

Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 11/18 (2006.01); B60L 3/00 (2006.01); B60L 11/12 (2006.01); B60L 11/14 (2006.01); B60L 11/00 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1811 (2013.01); B60L 3/003 (2013.01); B60L 11/123 (2013.01); B60L 11/14 (2013.01); B60L 11/1816 (2013.01); B60L 11/185 (2013.01); B60L 11/1862 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01); B60L 2220/14 (2013.01); Y02T 10/7005 (2013.01); Y02T 90/121 (2013.01); Y02T 90/127 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01); Y02T 10/7077 (2013.01); Y02T 10/7044 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7241 (2013.01); Y02T 10/7022 (2013.01); H02J 7/0052 (2013.01); B60L 11/005 (2013.01); Y02T 10/6217 (2013.01);
Abstract

A charger includes a conversion unit for converting external electric power from a charging port into DC, a conversion unit for converting the output of the preceding conversion unit into high-frequency AC, and a conversion unit for converting the electric power generated by transforming the output of the preceding conversion unit by an insulated transformer into DC to output the DC to a power storage device. The charger further includes a switch unit that enables the circuit configuration of the charger to switch between a single-stage charging circuit and a dual-stage charging circuit. The switch unit is controlled by a control signal from an ECU. The ECU controls the switch unit in accordance with the SOC of the power storage device and switches the circuit configuration of the charger to one of the single-stage charging circuit and the dual-stage charging circuit.

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