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.

Date of Patent:
Jan. 27, 2026

Filed:

Mar. 11, 2022
Applicant:

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

Inventors:

Matthew D. Strommen, Greendale, WI (US);

Srdjan Acimovic, Hales Corners, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 23/20 (2016.01); F04D 25/06 (2006.01); F04D 27/00 (2006.01); H02J 3/00 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02P 23/20 (2016.02); F04D 25/0673 (2013.01); F04D 27/004 (2013.01); H02J 3/0073 (2020.01); H02J 7/0063 (2013.01);
Abstract

A portable fan having a power supply, a motor coupled to a plurality of fan blades and powered by the power supply, and a battery pack coupled to the portable fan and configured to provide power to the power supply. The portable fan further includes a controller configured to receive power from the power supply. The controller is configured to receive an input to control the motor at a requested speed, operate the motor at the requested speed, and initiate a ramp-down operation, wherein the ramp-down operation is configured to ramp down the speed of the motor from the requested speed over a period of time.


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