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. 29, 2022
Filed:
Feb. 26, 2020
Applicant:
Sunonwealth Electric Machine Industry Co., Ltd., Kaohsiung, TW;
Inventors:
Assignee:
Sunonwealth Electric Machine Industry Co., Ltd., Kaohsiung, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); F04D 29/34 (2006.01); F04D 29/54 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/384 (2013.01); F04D 19/002 (2013.01); F04D 29/329 (2013.01); F04D 29/34 (2013.01); F04D 29/542 (2013.01); F04D 29/666 (2013.01);
Abstract
An impeller includes a hub, a plurality of blades provided around an outer periphery of the hub, and at least two connecting rings connected to the plurality of blades. Each of the plurality of blades has a top edge and a bottom edge opposite to the top edge. One or more of the at least two connecting rings is disposed between but not connected to the top edges and the bottom edges of the plurality of blades. A cooling fan including the impeller is also provided.