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.:
Date of Patent:
Sep. 03, 2019
Filed:
Mar. 29, 2017
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); H02J 50/12 (2016.01); H01F 27/28 (2006.01); H02J 7/02 (2016.01); H01F 27/02 (2006.01); H01F 27/36 (2006.01); H02J 7/00 (2006.01); B60L 53/12 (2019.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); B60L 53/12 (2019.02); H01F 27/02 (2013.01); H01F 27/2823 (2013.01); H01F 27/365 (2013.01); H01F 38/14 (2013.01); H02J 7/0042 (2013.01); H02J 7/025 (2013.01);
Abstract
A power feeding coil unit for wireless power transmission including a base portion with bottom having an opening on an upper end, a magnetic body having a plurality of magnetic plates disposed on a bottom surface of the base portion, a power feeding coil formed by winding a conductive wire on the magnetic body, a cover portion covering the opening of the base portion, and a rib extending from the base portion toward the cover portion between the plurality of magnetic plates and between the wires of the conductive wires, wherein, a distance between the rib and the cover portion is smaller than a distance between the power feeding coil and the cover portion.