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. 09, 2019
Filed:
Apr. 19, 2018
Applicant:
Lennox Industries Inc., Richardson, TX (US);
Inventor:
Shiblee S. M. Noman, Carrollton, TX (US);
Assignee:
Lennox Industries Inc., Richardson, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23N 3/08 (2006.01); F23N 5/20 (2006.01); F24H 3/08 (2006.01); F24H 3/10 (2006.01); F24H 9/20 (2006.01);
U.S. Cl.
CPC ...
F23N 3/082 (2013.01); F23N 5/203 (2013.01); F24H 3/087 (2013.01); F24H 3/105 (2013.01); F24H 9/2085 (2013.01); F23N 2027/02 (2013.01); F23N 2033/04 (2013.01); F23N 2033/10 (2013.01); F23N 2037/10 (2013.01); F23N 2037/16 (2013.01);
Abstract
A control module for preventing acoustic resonance noise generation from a heat exchanger of a heating furnace, comprising a control signal generated by the control module. The control signal is configured to operate an induction fan of the heating furnace at more than one speed for a given heat demand mode of the heating furnace.