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:
Sep. 16, 1997

Filed:

Nov. 02, 1995
Applicant:
Inventor:

Charles L Adams, Fort Worth, TX (US);

Assignee:

PVI Industries, Inc., Fort Worth, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H / ;
U.S. Cl.
CPC ...
1263 / ; 1263 / ; 122 17 ; 122 19 ;
Abstract

A water heater/boiler design is shown having a tank with a submergible, pressurized combustion chamber and a resilient sealing means which divides the interior of the water heater tank into a primary and secondary heat exchange compartments. A forced draft burner is used to heat the combustion chamber with the products of combustion passing through multiple heat exchange surfaces to a flue collector located on the exterior of the device.


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