Prefabricated fireplace exhaust plenum structure

Details Prefabricated fireplace exhaust plenum structure Prefabricated fireplace exhaust plenum structure

1998-01-07

1999-09-07

Yeung, James C.

Stoves and furnaces

Fireplaces or accessories

Fluid fuel

126 85B, 126523, 126531, 431125, F24C 300

Patent

active

059471123

ABSTRACT:
A novel wood/gas burning fireplace is provided with an open box shaped outer housing. A combustion chamber is mounted inside said housing having a plurality panels that are juxtaposed the panels of the outer housing so as to provide an open wall at the bottom, back and top of the fireplace which serve as a heat exchanger. An insulating panel is mounted in the top wall of the heat exchanger dividing the top wall into two separate passageways. The air passageway below the insulating panel comprises a part of a heat exchanger for heating room air of the space being heated. The air passageway above the insulating panel forms a plenum chamber with apertures in the outer housing panel(s) for conducting room air into the plenum chamber. A stack opening aperture in the top panel of the outer housing conducts cooling air into a coaxial exhaust stack for cooling the top panel as well as the exhaust stack pipe.

REFERENCES:
patent: 2225203 (1940-12-01), Barnes
patent: 5076254 (1991-12-01), Shimek et al.
patent: 5339797 (1994-08-01), Maitland
patent: 5603312 (1997-02-01), Champion

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