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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 10505398 B1

PDFFull Text
Date of Patent:
Dec. 10, 2019

Filed:

Nov. 04, 2016

Wireless power transmitter and receiver for vehicle

Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Jinmoo Park, Seoul, KR;

Jeongkyo Seo, Seoul, KR;

Beomseok Chae, Seoul, KR;

Jaesung Lee, Seoul, KR;

Jihyun Lee, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Rexford N Barnie

Assistant Examiner:

Rasem Mourad

Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 37/00 (2006.01); H01F 38/00 (2006.01); H02J 50/12 (2016.01); H02J 5/00 (2016.01); H01F 38/14 (2006.01); H02J 7/02 (2016.01); H02J 50/90 (2016.01); B60L 53/12 (2019.01); B60L 53/38 (2019.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); B60L 53/12 (2019.02); B60L 53/38 (2019.02); H01F 38/14 (2013.01); H02J 5/005 (2013.01); H02J 7/025 (2013.01); H02J 50/90 (2016.02); Y02T 10/7005 (2013.01); Y02T 10/7072 (2013.01); Y02T 90/12 (2013.01); Y02T 90/121 (2013.01); Y02T 90/122 (2013.01); Y02T 90/125 (2013.01); Y02T 90/14 (2013.01);
Abstract

According to an embodiment of present invention, a wireless power transmitter for a vehicle that transfers power to a wireless power receiver includes: a coil assembly comprising first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; and a full-bridge inverter driving each of the coils included in the coil assembly individually, wherein the first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, the top coil lies on a plane surface in the middle between the first and second bottom coils, and a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 23 mm to 25 mm.

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