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:
Aug. 12, 2025
Filed:
Feb. 25, 2021
Techtronic Cordless Gp, Anderson, SC (US);
Techtronic Cordless GP, Anderson, SC (US);
Abstract
A method of controlling a sensorless motor (). The method contains the steps of determining a current speed of the motor (); selectively using a first method, a second method, or a third method to determine a position of a rotor of the motor (), depending on the current speed of the motor (); and transmitting a drive signal to the motor () based on the determined position of the rotor. A sensorless motor assembly is also disclosed. According to the method, multiple rotor position detection methods are provided to the sensorless motor () which cover a full speed range of the motor ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile