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:
Apr. 11, 2017
Filed:
Apr. 22, 2013
Applicant:
Lennox Industries Inc., Richardson, TX (US);
Inventors:
Kapil Das Sahu, Chennai, IN;
Robert B. “Dutch” Uselton, Plano, TX (US);
Assignee:
Lennox Industries Inc., Richardson, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/54 (2006.01); F04D 19/00 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 29/547 (2013.01); F04D 19/002 (2013.01); F04D 29/526 (2013.01);
Abstract
A fan system may generate an air flow during use. In various implementations, a fan system may include a fan and an orifice. The orifice may include a converging section, a diverging section, and a minimum radius section disposed between the converging section and the diverging section.