Stoves and furnaces – Fireplaces or accessories – Fluid fuel
Patent
1992-01-06
1993-06-15
Jones, Larry
Stoves and furnaces
Fireplaces or accessories
Fluid fuel
126516, 126521, 126 85B, F23L 700
Patent
active
052189538
ABSTRACT:
A standard prefabricated direct vented fireplace is designed for mass production on an assembly line where it is fitted with a plurality of different side walls or doors and optional heat exchangers for effecting different thermal efficiencies. The fireplace is factory adjusted for optimum burner efficiency under standard installation conditions. An induced draft fan/blower is installed in the path of the exhaust gasses and is provided with an in field adjustable variable speed control to overcome exceptionally high draft loss or long intake or exhaust passageways and to again optimize the burner efficiency after field installation.
REFERENCES:
patent: 4204832 (1980-05-01), Miller
patent: 4340355 (1982-07-01), Nelson et al.
patent: 4545360 (1985-10-01), Smith et al.
patent: 4793322 (1988-12-01), Shimek et al.
patent: 5076254 (1991-12-01), Shimek et al.
Shimek Daniel C.
Shimek Ronald J.
Jones Larry
Sowell John B.
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