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. 31, 2023
Filed:
Oct. 30, 2020
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
David J. Gaulke, Milwaukee, WI (US);
Kyle J. Radovich, West Bend, WI (US);
Wyatt R. Silha, Milwaukee, WI (US);
Chien-Chih Chao, Menomonee Falls, WI (US);
Omid Shirazi, Wauwatosa, WI (US);
Nathan J. Gustafson, Milwaukee, WI (US);
Vasil Zhmendak, Milwaukee, WI (US);
MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US);
Abstract
A battery pack charging system includes a battery pack interface configured to receive a battery pack, a charging circuit coupled to the battery pack interface to provide charging current to the battery pack interface, and a controller coupled to the charging circuit and configured to control supply of charge current to the battery interface. The battery pack charging system further includes a power supply circuit coupled to the charging circuit, a filter circuit coupled to the power supply circuit and including a nanocrystalline ferrite common mode choke, and an alternating current plug configured to connect the filter circuit to an alternating current power source.