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. 09, 2021
Filed:
Feb. 12, 2020
John C. Vanko, Timonium, MD (US);
Michael K. Forster, White Hall, MD (US);
Matthew J. Velderman, Baltimore, MD (US);
John Howson, Sparks, MD (US);
John C. Vanko, Timonium, MD (US);
Michael K. Forster, White Hall, MD (US);
Matthew J. Velderman, Baltimore, MD (US);
John Howson, Sparks, MD (US);
Black & Decker Inc., New Britain, CT (US);
Abstract
A power tool comprising a housing, a motor, and a circuit board residing in the housing is provided. A rectifier that receives an alternating current and converts the alternating current to a direct current, a switching arrangement having a plurality of motor switches connected electrically between the rectifier and the motor, and a capacitor connected electrically between the rectifier and the switching arrangement, are mounted on a rear portion of a planar surface of the circuit board. A switching arrangement and at least one heat sink in thermal communication therewith are mounted on a front portion of the planar surface of the circuit board.