US 12,031,728 B2
Gas fired window heater
Jessie W. Johnson, Asheville, NC (US); Gary M. Sly, D'Iberville, MS (US); Jacob S. Weidie, Asheville, NC (US); and Albert Keith Teakell, Jenks, OK (US)
Assigned to The Blossman Companies, Inc., Ocean Springs, MS (US)
Appl. No. 17/426,496
Filed by The Blossman Companies, Inc., Ocean Springs, MS (US)
PCT Filed Feb. 4, 2020, PCT No. PCT/US2020/016600
§ 371(c)(1), (2) Date Jul. 28, 2021,
PCT Pub. No. WO2020/163348, PCT Pub. Date Aug. 13, 2020.
Claims priority of provisional application 62/801,369, filed on Feb. 5, 2019.
Prior Publication US 2022/0099308 A1, Mar. 31, 2022
Int. Cl. F24D 15/02 (2006.01); F24H 3/08 (2022.01); F24H 9/00 (2022.01); F24H 9/02 (2006.01)
CPC F24D 15/02 (2013.01) [F24H 3/087 (2013.01); F24H 9/0063 (2013.01); F24H 9/0073 (2013.01); F24H 9/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A heater comprising:
a front cover;
a cabinet;
the front cover and the cabinet being configured to be attached together in an opening in an outside wall of a building with the front cover positioned in a room at an interior side of the outside wall and the cabinet positioned in an outside atmosphere at an exterior side of the outside wall, the cabinet having a heating chamber therein with one or more tubular heat exchangers configured to be located within the heating chamber and configured to be sealed with respect to said heating chamber, a gas burner for each of said tubular heat exchangers, each gas burner having a burner inlet and a burner outlet, each burner inlet is configured to be located outside of said heating chamber and in communication with the outside atmosphere when said heater is installed in said opening in an outside wall, a gas source for said burners, a gas supply line from said gas source and one or more gas connections configured to be connected to each of said burner inlets for supplying gas from said gas source to each of said burner inlets with the gas supply line and all of said gas connections being configured to be located exteriorly of said heating chamber so as to be in communication with the outside atmosphere when the heater is installed in said opening in an outside wall, each of said tubular heat exchangers having a heat exchanger inlet and a heat exchanger outlet, each said heat exchanger inlet being configured to be sealably connected to a respective said burner outlet so as to receive hot products of combustion from its respective burner and to convey said hot products of combustion through said heat exchangers thereby to heat air in said heating chamber, and wherein the outlet of each of said heat exchangers is configured to be sealably connected to an outlet from said heating chamber for exhausting the products of the combustion to the atmosphere outside of the room when said heater is installed in said opening in an outside wall and is operating, said heater further having a blower configured to draw room air into said heating chamber to be heated by said one or more tubular heat exchangers and configured to discharge heated air into the room; and
wherein the heating chamber, the tubular heat exchangers located in the heating chamber, the gas burner for each said tubular heat exchanger and the gas connection connected to each gas burner are all configured to be positioned inside the cabinet and are configured to be positioned in the outside atmosphere at the exterior side of the outside wall when the front cover and the cabinet are attached together in the opening in the outside wall.