Stoves and furnaces – Stove hoods
Patent
1982-01-25
1985-01-15
Joyce, Harold
Stoves and furnaces
Stove hoods
55415, 55418, 55DIG36, 98 36, 981151, 239455, 239461, F23J 1100
Patent
active
044933126
ABSTRACT:
A self-contained induction air supply unit is provided for an exhaust hood having an exhaust fan drawing of freeze laden air through an angled filter. The supply unit includes a supply chamber with a bottom stream forming slot having a curved bottom wall for turning air through the slot and into the exhaust hood. An air deflector includes an adjustable support coupled to the curved bottom wall to vary the angular orientation of the stream to permit changing the angle of the induction air stream for proper engagement with the filter and simultaneously change the curved bottom wall. The deflector in one form includes a single plate having a curved portion abutting the underside of the curved bottom wall and an outer planar portion. In another structure the curved bottom slot wall is flexibly mounted. A deflector plate is pivotally mounted beneath the outer end of flexibly mounted wall and projects outwardly thereof. The pivoting plate deflects the curved bottom wall to change its radius with the changing of the angular position of the deflector plate.
REFERENCES:
patent: 3664255 (1972-05-01), Kuechler
patent: 3978777 (1976-09-01), Hett
patent: 4011802 (1977-03-01), Molitor et al.
patent: 4117833 (1978-10-01), Mueller
Joyce Harold
Maysteel Corporation
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