Stoves and furnaces – Hot-air furnaces – Air baffles
Patent
1983-01-14
1984-10-30
O'Connor, Daniel J.
Stoves and furnaces
Hot-air furnaces
Air baffles
137132, 431 1, F24H 300
Patent
active
044794827
ABSTRACT:
A condensing furnace utilizing a pulsating combustion process discharges flue gas and condensate from the furnace through a flue gas conduit. A drain leg assembly is coupled to the flue gas conduit for effectively separating the condensate from the flue gas, whereby the flue gas is discharged to the flue gas vent and the condensate is discharged to a drain line. The drain leg assembly includes tubular body means having a flue gas outlet at the upper end thereof and means defining a condensate reservoir at the lower end thereof. A vent pipe within the tubular body means and having a bore smaller than that of the tubular body communicates at one end to a condensate outlet means, and the other end of the free end of the vent pipe extends toward the bottom of the tubular body, but is spaced therefrom. The normal level of condensate collected in the tubular body means is above the bottom of the vent tube so as to assure separate discharge of flue gas and condensate from the drain leg assembly.
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Lennox Industries Inc.
O'Connor Daniel J.
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