Heat recovery apparatus

Details Heat recovery apparatus Heat recovery apparatus

1981-12-21

1989-12-19

Jones, Larry

Stoves and furnaces

Hot-air furnaces

Combined with boiler

122 20B, 237 55, F24D 900

Patent

active

048875864

ABSTRACT:
Apparatus utilizing waste heat from a furnace or the like to heat water for any desired purpose or to supplement a conventional heating system. In its illustrative embodiment, the invention provides a heat recovery device adapted to be interposed as a unit in a flue duct to absorb heat from the hot gases and products of combustion escaping through the flue duct, connections being provided for a positive, controlled flow of a heat absorbing liquid through the device. The device includes an inner flue section, a liquid flow coil around the flue section and an outer sleeve relatively insulated from heated components and joining the parts into a device capable of being stored, handled and installed as a unit.

REFERENCES:
patent: 568852 (1896-10-01), Johns
patent: 602722 (1898-04-01), Boyes
patent: 2619022 (1952-11-01), Hergenrother
patent: 3793992 (1974-02-01), Marquez
patent: 4178907 (1979-12-01), Sweat
patent: 4244326 (1981-01-01), Jackson
patent: 4251028 (1981-02-01), Nicolai
patent: 4371111 (1983-02-01), Pernosky

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