Stoves and furnaces – Stoves – Heating
Patent
1981-05-21
1983-08-09
O'Connor, Daniel J.
Stoves and furnaces
Stoves
Heating
126 76, 126121, 126143, 165DIG2, F24B 500
Patent
active
043972934
ABSTRACT:
A heating apparatus includes at least one combustion air inlet, a reverse-draft hearth having a grill positioned within a hearth plate, an ash receptacle for recovering combustion wastes, a fume outlet, a combustion chamber positioned under the reverse-draft hearth, and a heat recovery device. A heat transport and exchange fluid is adapted to be fed through the heat recovery device, and it circulates through the device in order to recover heat generated in the hearth. The heat recovery device also includes at least one casing positioned beneath the hearth, over the ash receptacle, and which is spaced from the walls of the heating apparatus. The rear portion of the casing is connected to the hearth plate so as to block combustion gases so that the combustion gases will pass over and thereafter under the casing prior to leaving the apparatus via the fume outlet.
REFERENCES:
patent: 12382 (1855-02-01), Easterly
patent: 86074 (1869-01-01), Newton
patent: 574210 (1896-12-01), McLean
patent: 661257 (1900-11-01), Brooke
patent: 839804 (1907-01-01), Ayres
patent: 843103 (1907-02-01), Roell
patent: 843105 (1907-02-01), Roell
patent: 4153036 (1979-05-01), Billmeyer
patent: 4193387 (1980-03-01), Cline
patent: 4263889 (1981-04-01), Martenson
patent: 4271815 (1981-06-01), Johnson
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