Stoves and furnaces – Stoves – Cooking
Patent
1979-05-31
1981-02-17
Scott, Samuel
Stoves and furnaces
Stoves
Cooking
126 5, 126 53, F24C 1300
Patent
active
042508649
ABSTRACT:
A heat exchanger (10) disclosed functions as a grate for an enclosed stove and includes a front hearth section (14) of an upwardly opening U-shape including tubing for carrying a fluid to be heated. An open end of the front hearth section allows an associated stove to be stroked through a front door opening thereof as well as through a top opening of the stove. A rear flue section (20) of the heat exchanger includes tubing for carrying fluid to provide preheating thereof by flue gases prior to passage to the hearth section. Inlet and outlet tubes (24, 26) of the heat exchanger respectively supply the fluid to be heated to the flue section and receive the heated fluid from the hearth section. A central connector tube (28) preferably extends between the flue and hearth sections with grate tubes (30) of the hearth section extending from the connector tube to define the U-shape thereof and with a pair of the outlet tubes communicated with upper ends of the grate tubes. U-shaped tubes (32) of the flue section open sideways in opposite directions and have upper ends communicated with the inlet tube and lower ends communicated with the connector tube that feeds the hearth section.
REFERENCES:
patent: 528388 (1894-10-01), Phillips
patent: 4154210 (1979-05-01), Jaymes
patent: 4159802 (1979-07-01), Ficker et al.
patent: 4180053 (1979-12-01), Patel
Ratliff, Jr. Wesley S.
Scott Samuel
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