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:
Jan. 19, 2016
Filed:
Oct. 09, 2012
Applicant:
Utah State University Research Foundation, North Logan, UT (US);
Inventors:
Assignee:
Utah State University, North Logan, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/00 (2006.01); H01F 3/08 (2006.01); H01F 38/14 (2006.01); H01F 27/255 (2006.01); H01F 27/36 (2006.01);
U.S. Cl.
CPC ...
H01F 27/00 (2013.01); H01F 3/08 (2013.01); H01F 38/14 (2013.01); H01F 27/255 (2013.01); H01F 27/36 (2013.01);
Abstract
A magnetic coupler is disclosed for wireless power transfer systems. A ferrimagnetic component is capable of guiding a magnetic field. A wire coil is wrapped around at least a portion of the ferrimagnetic component. A screen is capable of blocking leakage magnetic fields. The screen may be positioned to cover at least one side of the ferrimagnetic component and the coil. A distance across the screen may be at least six times an air gap distance between the ferrimagnetic component and a receiving magnetic coupler.