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:
Dec. 17, 2019
Filed:
Jun. 08, 2017
Applicant:
Rheem Manufacturing Company, Atlanta, GA (US);
Inventors:
Qian Zhang, Montgomery, AL (US);
Troy E. Trant, Montgomery, AL (US);
Timothy D. Scott, Tallassee, AL (US);
Assignee:
Rheem Manufacturing Company, Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 8/00 (2006.01); F24H 1/20 (2006.01); F24H 9/14 (2006.01); F28D 7/04 (2006.01); F28D 21/00 (2006.01);
U.S. Cl.
CPC ...
F24H 1/205 (2013.01); F24H 9/146 (2013.01); F28D 7/04 (2013.01); F28D 2021/0024 (2013.01);
Abstract
A water heater has a tank, a burner, and a heat exchanger within the tank interior volume that has three tubes. The burner exhausts gas into the first tube. The second tube is non-linear, and the third tube connects the first tube with the second tube. The cross-sectional area of the first tube is greater than the cross-sectional area of the third tube. The cross-sectional area of the third tube is greater than the cross-sectional area of the second tube.