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:
Aug. 25, 2026

Filed:

Sep. 21, 2022
Applicant:

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

Inventors:

Vann R. Jacques, Mequon, WI (US);

Gregory A. Mutchler, Milwaukee, WI (US);

Yong Dong Huang, Shaoguan City, CN;

Jian Jun Wang, Zhanjiang City, CN;

Zu Gen Ni, Suzhou City, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/053 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 29/26 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F04D 29/053 (2013.01); F04D 25/0673 (2013.01); F04D 25/08 (2013.01); F04D 29/263 (2013.01); F04D 29/325 (2013.01); F04D 29/329 (2013.01);
Abstract

A fan and a motor assembly. The motor assembly includes an electric motor with an output shaft defining a rotational axis, an impeller coupled to the output shaft for co-rotation therewith, an adapter positioned between the output shaft and the impeller, and an elastic member positioned between the adapter and the impeller. The elastic member is configured to be compressed by the impeller in response to installation of the impeller upon the adapter, from an undeformed state to an elastically deformed state, in which the elastic member is compressed in a direction of the rotational axis.


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