Stoves and furnaces – Liquid heater
Patent
1976-04-14
1978-05-16
O'Dea, William F.
Stoves and furnaces
Liquid heater
F24B 118
Patent
active
040893200
ABSTRACT:
A fireplace construction is provided including a hollow base and a firebox having interconnected opposite side, rear and bottom walls is mounted on the base and includes an open front side. Closed heating air plenum structures are disposed outwardly of the firebox including interconnected opposite side, rear and top wall portions and a front wall portion extending between and interconnecting the forward marginal edge portions of the side and top wall portions and provided with an opening through which the front side of the firebox opens. The base includes upstanding peripheral walls and one of the walls has heated air outlet openings formed therein. The lower portions of the heating air plenum structures open into the base and combustion air plenum structure extends peripherally about the open side of the firebox and opens into the latter through openings spaced along the forward marginal edges of at least two of the walls of the firebox. The combustion air plenum structure includes air inlet structure and room air plenum structure is disposed above the heating air plenum structure and includes air inlet openings therefor. Air pump structure is disposed within the room air plenum structure and has an inlet in the room air plenum structure and an outlet opening into the heating air plenum structures.
REFERENCES:
patent: 1526679 (1925-02-01), Johnson
patent: 2231258 (1941-02-01), Elmore
patent: 2258882 (1941-10-01), Craig
patent: 2429748 (1947-10-01), Dollinger
patent: 3180332 (1965-04-01), Grushkin
patent: 3533394 (1970-10-01), Rose et al.
patent: 4010728 (1977-03-01), Hempel et al.
Brown Roy R.
Rilea Bernard A.
Jacobson Harvey B.
Joyce Harold
O#Brien Clarence A.
O'Dea William F.
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