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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 9697952 B1

PDFFull Text
Date of Patent:
Jul. 04, 2017

Filed:

Oct. 27, 2011

Non-contact electric power reception device, non-contact electric power transmission device, and non-contact electric power transmission and reception system

Applicants:

Shinji Ichikawa, Toyota, JP;

Satoru Horiuchi, Toyota, JP;

Inventors:

Shinji Ichikawa, Toyota, JP;

Satoru Horiuchi, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Oliff PLC

Primary Examiner:

Ryan Johnson

Int. Cl.
CPC ...
B60L 11/18 (2006.01); H02J 7/02 (2016.01); H02J 17/00 (2006.01); H01F 38/14 (2006.01); H02J 50/12 (2016.01); H02J 50/90 (2016.01); H02J 5/00 (2016.01); B60L 7/14 (2006.01); B60L 11/00 (2006.01); B60L 11/14 (2006.01); B60L 15/20 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H01F 38/14 (2013.01); B60L 7/14 (2013.01); B60L 11/005 (2013.01); B60L 11/14 (2013.01); B60L 11/182 (2013.01); B60L 11/1824 (2013.01); B60L 11/1829 (2013.01); B60L 11/1833 (2013.01); B60L 11/1846 (2013.01); B60L 11/1861 (2013.01); B60L 15/2009 (2013.01); H02J 5/005 (2013.01); H02J 7/025 (2013.01); H02J 50/12 (2016.02); H02J 50/90 (2016.02); B60L 2210/10 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01); B60L 2220/14 (2013.01); B60L 2240/423 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); H02J 7/0004 (2013.01); Y02T 10/645 (2013.01); Y02T 10/70 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7022 (2013.01); Y02T 10/7044 (2013.01); Y02T 10/7072 (2013.01); Y02T 10/7077 (2013.01); Y02T 10/7216 (2013.01); Y02T 10/7241 (2013.01); Y02T 10/7275 (2013.01); Y02T 90/121 (2013.01); Y02T 90/122 (2013.01); Y02T 90/125 (2013.01); Y02T 90/127 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01); Y02T 90/163 (2013.01); Y02T 90/169 (2013.01); Y04S 30/14 (2013.01);
Abstract

The non-contact electric power reception device includes an electric power reception portion and an electric load device. The electric power reception portion is configured such that best transmission efficiency at a power supply frequency of the power supply portion used for non-contact electric power transmission is achieved when the electric power reception portion is arranged with its position being displaced from a position of the electric power transmission portion. Preferably, the electric power reception portion is configured such that a peak frequency at which transmission efficiency at the time of change in power transmission frequency exhibits a peak and a power supply frequency match with each other when the electric power reception portion is arranged with positions in a horizontal direction of a central axis of the electric power reception portion and a central axis of the electric power transmission portion being displaced from each other.

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