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:
Nov. 26, 2019
Filed:
Nov. 07, 2014
Applicant:
Illinois Tool Works Inc., Glenview, IL (US);
Inventors:
Nicholas A. Matiash, Oshkosh, WI (US);
Brian A. Schwartz, Appleton, WI (US);
Kenneth C. Altekruse, Appleton, WI (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/10 (2006.01); H01F 37/00 (2006.01); H01F 5/02 (2006.01); H01F 38/08 (2006.01); H01F 27/32 (2006.01); H01F 27/00 (2006.01); H01F 27/30 (2006.01);
U.S. Cl.
CPC ...
B23K 9/1043 (2013.01); H01F 5/02 (2013.01); H01F 27/006 (2013.01); H01F 27/306 (2013.01); H01F 27/325 (2013.01); H01F 37/00 (2013.01); H01F 38/085 (2013.01);
Abstract
A method and apparatus for providing welding type power, including a power and control circuit is disclosed. The power circuit provides welding, control and aux power. The control and aux power are provided with a transformer, and secondary windings for control and aux power are wound on a single bobbin, with a winding separator separating them. Air vents, which can be formed by fins on the bobbin or separator allow cooling of the inner winding.