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:
Sep. 19, 2017
Filed:
Jun. 30, 2014
Applicant:
Regal Beloit America, Inc., Beloit, WI (US);
Inventors:
Rachele B. Cocks, Columbia City, IN (US);
Rafal Pawel Rohoza, Fort Wayne, IN (US);
Assignee:
Regal Beloit America, Inc., Beloit, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/30 (2006.01); F04D 17/04 (2006.01);
U.S. Cl.
CPC ...
F04D 29/283 (2013.01); F04D 17/04 (2013.01); F04D 29/30 (2013.01);
Abstract
A centrifugal fan impeller includes a front endring, a rear endring, and a plurality of blades coupled between the front and the rear endrings. At least one blade of the plurality of blades includes a blade span extending between the front endring and the rear endring, a leading edge, and a trailing edge. The at least one blade further includes a first elliptical cross-sectional profile extending between the leading and the trailing edges.