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.

Date of Patent:
Feb. 01, 2011

Filed:

Oct. 12, 2009
Applicants:

Wade C. Patterson, Huntsville, AL (US);

Terry G. Phillips, Meridianville, AL (US);

Inventors:

Wade C. Patterson, Huntsville, AL (US);

Terry G. Phillips, Meridianville, AL (US);

Assignee:

A. O. Smith Corporation, Milwaukee, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A water heating system including a tank to store water, a temperature sensor positioned to detect a temperature of the water, and a temperature control element configured to alter the temperature of the water. The system also includes a controller configured to control the temperature of the water based on a first temperature threshold during a first time period and monitor the amount of time that the temperature control element is in either the activated state or the deactivated state during the first time period. The control then determines a second temperature threshold for a subsequent time period based on the monitored amount of time.


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