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:
Nov. 02, 2021
Filed:
Jan. 18, 2019
Applicant:
Lennox Industries Inc., Richardson, TX (US);
Inventors:
Leonor Beakley, Plano, TX (US);
Darcy Q. Easterling, Flower Mound, TX (US);
Assignee:
Lennox Industries Inc., Richardson, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F23D 14/62 (2006.01); F23M 20/00 (2014.01);
U.S. Cl.
CPC ...
F23D 14/62 (2013.01); F23M 20/005 (2015.01); F23D 2210/00 (2013.01);
Abstract
An air intake coupling has at least one noise suppression hole formed therein. A gas-air mixer elbow is fluidly coupled to the air intake coupling. A burner box assembly is fluidly coupled to the gas-air mixer elbow via a gas-air plenum box. A heat-exchange tube has a first end that is fluidly coupled to the burner box assembly. A fan is fluidly coupled to a second end of the heat-exchange tube via a cold-end header box.