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:
Nov. 18, 2008

Filed:

Dec. 22, 2005
Applicants:

Michael A. Garrabrant, Unicoi, TN (US);

Eric Arnold, Jonesborough, TN (US);

Jeff L. Lyons, Gray, TN (US);

Inventors:

Michael A. Garrabrant, Unicoi, TN (US);

Eric Arnold, Jonesborough, TN (US);

Jeff L. Lyons, Gray, TN (US);

Assignee:

American Water Heater Company, Johnson City, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 9/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A combustion chamber is disposed below the water container of a water heater and formed at least partially by a shell. A burner disposed within the combustion chamber and a fuel supply line is connected to the burner. A valve associated with the fuel supply line. A combustion chamber sensor is disposed within the combustion chamber and adapted to sense a rise in temperature indicative of an abnormality in the combustion chamber. A circuit connected to the sensor and the valve such that the circuit triggers the valve to shut off fuel to the burner in response to a sensed temperature by the sensor.


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