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:
May. 29, 2012
Filed:
Sep. 11, 2007
Kenneth Altekruse, Appleton, WI (US);
James D. Kimball, Appleton, WI (US);
Dennis Sigl, Greenville, WI (US);
Bernard J. Vogel, Troy, OH (US);
Jeffrey Lonigro, Appleton, WI (US);
Kenneth Altekruse, Appleton, WI (US);
James D. Kimball, Appleton, WI (US);
Dennis Sigl, Greenville, WI (US);
Bernard J. Vogel, Troy, OH (US);
Jeffrey Lonigro, Appleton, WI (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A battery-charging system includes a power supply having a high-frequency transformer and is configured to deliver a battery charging power to charge at least one battery. The high-frequency transformer has a bobbin including an elongated top and bottom surfaces and first and second substantially semi-circular end surfaces connecting the top surface with the bottom surface to form an elongated first coil winding surface having a central axis. A first coil is wound around the first coil winding surface, and a second coil is magnetically coupled to the first coil and wound thereto.