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. 27, 2011
Filed:
Sep. 09, 2008
Eric M. Lannes, Caledonia, MI (US);
Garrett Doss, Wyoming, MI (US);
Eric M. Lannes, Caledonia, MI (US);
Garrett Doss, Wyoming, MI (US);
Bradford White Corporation, Ambler, PA (US);
Abstract
A water heater is provided that includes a tank for storing water and a combustion chamber in thermal communication with the tank for heating the water. The combustion chamber contains a pilot burner and at least one main burner. The water heater also includes a flue containing a flue damper to control the passage of exhaust gases from said combustion chamber. The water heater further includes an electrical control circuit connected to said flue damper. The electrical control circuit includes a thermal switch positioned proximal to the main burner The thermal switch is configured to prevent the flue damper from closing while the main burner is firing.