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:
Jul. 24, 2018
Filed:
Feb. 17, 2016
Applicant:
Regal Beloit America, Inc., Beloit, WI (US);
Inventors:
Sahand Pirouzpanah, Troy, OH (US);
Sylvia (Yuan) Feng, Fort Wayne, IN (US);
Paul Nathanael Selking, Ossian, IN (US);
Shirish Vatkar, Tipp City, OH (US);
Joseph Henry, Dayton, OH (US);
Rajavel Balaguru, Tipp City, OH (US);
Assignee:
REGAL BELOIT AMERICA, INC., Beloit, WI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 25/08 (2006.01); F04D 29/30 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/283 (2013.01); F04D 25/08 (2013.01); F04D 29/30 (2013.01); F04D 29/424 (2013.01); F04D 29/282 (2013.01);
Abstract
A forward curved blower wheel has fan blades having relatively small leading edge blades angles and a relatively lengthy mean camber lines. The blower wheel also comprises leading edge notches adjacent its blower wheel inlet. The leading edge notches eliminate buffeting that would occur with such blades if such notches were not present.