Stoves and furnaces – Hot-air furnaces – Feeding air
Patent
1978-09-27
1980-03-25
Yeung, James C.
Stoves and furnaces
Hot-air furnaces
Feeding air
110160, 110188, 126 99A, 165DIG2, 237 55, 432 72, F24H 300, F24B 700
Patent
active
041944887
ABSTRACT:
In a home heating system having a furnace with a combustion chamber for burning fuel and creating heat, and a chimney with a draft therein, an improvement comprising, an exhaust flue connected between the combustion chamber and the chimney for venting heated exhaust products from the furnace, a heat reclaimer connected into the exhaust flue between the combustion chamber and the chimney for reclaiming heat from the heated exhaust product, and an outside air line for supplying air from the outside of the house to the combustion chamber. A first flue portion of the exhaust flue is connected between the combustion chamber and the heat reclaimer, and a second insulated flue portion of the exhaust flue is connected between the heat reclaimer and the chimney. An outside air by-pass or balancing line is connected between the outside air line and the chimney for satisfying the chimney suction at flame-out. A flow sensing and regulating device may be connected into the outside air line for regulating the flow or air so that outside air is supplied to the furnace only when fuel is burned therein.
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patent: 71244 (1867-11-01), Thatcher
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patent: 4033269 (1977-07-01), Little et al.
patent: 4147303 (1979-04-01), Talucci
O'Connor Daniel J.
Weaver William W.
Yeung James C.
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