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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.:

US 12237739 B1

PDFFull Text
Date of Patent:
Feb. 25, 2025

Filed:

Nov. 28, 2023

Brushless direct current motor for power tools

Applicant:

Milwaukee Electric Tool Corporation, Brookfield, WI (US);

Inventors:

Andrew T. Beyerl, Pewaukee, WI (US);

Keith Boulanger, Twin Lakes, WI (US);

Matthew R. Bailey, Racine, WI (US);

Carl B. Westerby, Menomonee Falls, WI (US);

Assignee:

MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US);

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Rashad H Johnson

Int. Cl.
CPC ...
H02K 23/02 (2006.01); H02K 1/14 (2006.01); H02K 3/12 (2006.01); H02K 3/34 (2006.01); H02K 7/14 (2006.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02K 29/08 (2006.01); H05K 1/02 (2006.01); H02K 9/00 (2006.01);
U.S. Cl.
CPC ...
H02K 23/023 (2013.01); H02K 1/146 (2013.01); H02K 3/12 (2013.01); H02K 3/345 (2013.01); H02K 7/145 (2013.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02K 29/08 (2013.01); H05K 1/02 (2013.01); H02K 9/00 (2013.01); H02K 2211/03 (2013.01);
Abstract

A method of manufacturing a brushless electric motor including providing a stator that includes a core defining a plurality of stator teeth, positioning a rotor within the stator, coupling a stator end cap to an end of the core, winding a plurality of coils on the plurality of stator teeth, and overmolding a plurality of coil contact plates within the stator end cap. The coil contact plates short-circuit diagonally opposite coils on the stator.

Find Patent Forward Citations

Quick Actions:

Beyerl, Andrew. (2025). Brushless direct current motor for power tools (U.S. Patent No. 12237739). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12237739

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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