Stoves and furnaces – Liquid heater
Patent
1980-03-03
1982-09-14
O'Connor, Daniel J.
Stoves and furnaces
Liquid heater
98 46, 126 77, 126131, 165DIG2, 237 51, 237 55, F24B 700
Patent
active
043490093
ABSTRACT:
Air circulation and supply means for a heat generator, primarily a fireplace. The fireplace has air supply and discharge passageways such that an envelope of moving air is provided around both the combustion gas flue and the firebox and a portion of said supply air is introduced as combustion air into said firebox. More specifically, an air siphon is provided whereby both the firebox and the flue of combustion gases are substantially surrounded (except for the firebox opening) by three walls wherein relatively cold external air flows downwardly from the atmosphere between the outer wall and the intermediate wall and flows upwardly to the atmosphere between the intermediate wall and the innermost wall. An air channel is provided across and along the top of the fireplace opening and connected so that air may flow therethrough from the space between two of said walls and can be discharged therefrom into the upper part of the firebox. The entire firebox and flue for combustion gases are thereby insulated from surrounding combustible building materials and some of the outside air is introduced into the firebox for the support of combustion therein.
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Patterson Eddy L.
Patterson George D.
Glaser Kenneth R.
O'Connor Daniel J.
Overhead Door Corporation
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