Water heater

Details Water heater Water heater

1992-09-29

1994-12-20

Jones, Larry

Stoves and furnaces

Liquid heater

126373, 126390, 126 1F, 99447, F24H 100

Patent

active

053738365

ABSTRACT:
A portable water heater for use in outdoor activities improved in thermal efficiency. The heater has a double-layered structure, i.e., is constituted of an outer housing, an inner heated vessel, and a gas burner at the bottom thereof. A thermal insulation layer is formed between the housing and the heated vessel sufficient to permit therebetween an upward flow of a combustion gas from the burner to an air outlet located at the top of the heater, thereby heating the vessel. Instead of the thermal insulation layer, a thermal insulation plate in a crimped shape may be interposed between the housing and the heated vessel, so that the thermal efficiency in heating the vessel is further enhanced. The internal heated vessel may be integrally fabricated with the outer housing, or may be arranged to be removable from the housing or the internally disposed crimped plate. The crimped insulation plate may also be shaped either triangularly or sinusoidally.

REFERENCES:
patent: 227369 (1889-05-01), Lott
patent: 777103 (1904-12-01), Kahn
patent: 1634543 (1927-07-01), Hyatt
patent: 2014931 (1935-09-01), Genovar, Jr.
patent: 2678644 (1954-08-01), Banks et al.
patent: 5125393 (1992-06-01), Levitin

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