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. 18, 2023
Filed:
Apr. 29, 2019
Applicant:
Rheem Manufacturing Company, Atlanta, GA (US);
Inventors:
Raheel A. Chaudhry, Montgomery, AL (US);
Stephen M. Maciulewicz, Wetumpka, AL (US);
Jozef Boros, Montgomery, AL (US);
Assignee:
Rheem Manufacturing Company, Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H 9/20 (2022.01); F24H 1/20 (2022.01); G05D 23/19 (2006.01); H05B 1/02 (2006.01); H05B 3/42 (2006.01);
U.S. Cl.
CPC ...
F24H 9/2021 (2013.01); F24H 1/202 (2013.01); G05D 23/1934 (2013.01); H05B 1/0283 (2013.01); H05B 3/42 (2013.01);
Abstract
In an electric water heater having adjustable set point and differential temperatures, upper and lower heating elements, and associated temperature sensors respectively operative to sense upper and lower tank water temperatures, a specially designed control system is provided for controlling the heating elements. The control system is operative to prevent dry firing of the heating elements by measuring temperatures over time with the temperature sensors.