Stoves and furnaces – Stove hoods
Patent
1996-03-22
1998-06-30
Jones, Larry
Stoves and furnaces
Stove hoods
126299D, 126299F, 236 491, 431 29, F24C 1508
Patent
active
057718792
ABSTRACT:
A heated air makeup unit comprises a duct structure having a surrounding wall, a fan for moving air through the duct structure, and a gas burner mounted in the duct structure for heating air being moved past the burner. A pair of laterally spaced converging air-directing plates are disposed outwardly of the burner but inwardly of the surrounding walls of the duct structure for directing air into and through the burner. The laterally spaced converging plates define three air passageways through the duct structure, two outer air passageways between the respective plates and the surrounding walls of the duct structure and a third intermediate air passageway between the two plates with the intermediate air passageway being aligned with the burner. A preprogrammed heater control unit continuously monitors temperature, airflow and the flame about the burner and at the same time controls the temperature of the heated air being expelled from the heated air makeup unit.
REFERENCES:
patent: 4085735 (1978-04-01), Kaufman et al.
patent: 4773471 (1988-09-01), Grant et al.
patent: 4887587 (1989-12-01), Deutsch
patent: 5524556 (1996-06-01), Rowlette et al.
Captive-Aire Systems, Inc.
Jones Larry
LandOfFree
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