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:
Mar. 18, 2025
Filed:
Apr. 02, 2022
Applicant:
Beijing Roborock Technology Co., Ltd., Beijing, CN;
Inventors:
Assignee:
BEIJING ROBOROCK TECHNOLOGY CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 25/06 (2006.01); F04D 29/30 (2006.01); F04D 29/38 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 25/062 (2013.01); F04D 29/30 (2013.01); F04D 29/384 (2013.01); F04D 29/444 (2013.01);
Abstract
A fan includes a rotor; a stator; a first bearing assembly disposed at a radial outer side of an end of the rotor; and an impeller including an impeller body, where the impeller body is provided with a receiving cavity for receiving the first bearing assembly; and one end of the first bearing assembly is disposed in the receiving cavity, and the rotor, the first bearing assembly and the impeller body are disposed coaxially.