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:
Dec. 05, 2023
Filed:
Apr. 19, 2022
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Timothy R. Obermann, Waukesha, WI (US);
Douglas R. Fieldbinder, Greendale, WI (US);
Alexander Huber, Menomonee Falls, WI (US);
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Abstract
Methods and power tools for sensorless motor control. One embodiment provides a method for automatic control switching for driving a sensorless motor () of a power tool (). The method includes determining, using a motor controller (), a first load point based on user inputs () and determining, using the motor controller (), a first motor control technique corresponding to the first load point. The method also includes driving the motor () based on the first motor control technique. The method further includes determining, using the motor controller (), a change from the first load point to a second load point and determining, using the motor controller (), a second motor control technique corresponding to the second load point. The method includes driving the motor () based on the second motor control technique.