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:
Apr. 21, 2020
Filed:
Nov. 21, 2018
Applicant:
Witricity Corporation, Watertown, MA (US);
Inventors:
Nicholas Athol Keeling, Munich, DE;
Leandro Alberto Percebon, Munich, DE;
Assignee:
WiTricity Corporation, Watertown, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H02J 50/12 (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); B60L 53/36 (2019.01); H02J 50/80 (2016.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); B60L 53/12 (2019.02); B60L 53/36 (2019.02); B60L 53/38 (2019.02); H01F 38/14 (2013.01); H02J 7/025 (2013.01); H02J 50/90 (2016.02); H02J 50/80 (2016.02);
Abstract
In certain aspects, methods and systems for moving a magnetic field hot spot of a wireless power transfer device are disclosed. An example power transfer device generally includes at least one coil configured to generate a charging field, and a controller configured to vary, over time, a current applied to the at least one coil such that magnetic field values of the charging field at a plurality of different positions relative to the at least one coil are configured to change with time.