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:
Oct. 05, 2021
Filed:
Sep. 07, 2018
Applicant:
Abb Power Grids Switzerland Ag, Baden, CH;
Inventors:
Matthew Lee Henriksen, Raleigh, NC (US);
Parag Upadhyay, Morrisville, NC (US);
Assignee:
ABB Power Grids Switzerland AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); H01F 27/34 (2006.01); H01F 27/28 (2006.01); H01F 27/42 (2006.01);
U.S. Cl.
CPC ...
H01F 27/346 (2013.01); H01F 27/2828 (2013.01); H01F 27/42 (2013.01);
Abstract
Unique systems, methods, techniques and apparatuses of a power transformer are disclosed. One exemplary embodiment is a transformer comprising a core; a first winding wound around the core; a second winding coaxially wound around the first winding so as to surround the first winding and forming an air gap between the first winding and second winding; and a plate having a relative permeability greater than 1 and less than 25 structured to be inserted into the air gap.