Exhaust device

Details Exhaust device Exhaust device

1984-09-12

1986-04-29

Yuen, Henry C.

Stoves and furnaces

Stoves

Cooking

126299D, 126299F, 98 4206, F23J 1100

Patent

active

045849293

ABSTRACT:
An exhaust device comprising an elongate hood having side walls (3,4). An internal, centrally located deflection casing (10) has two mutually aligned suction openings (8,9) which, in combination with an air-supply device (6) disposed at the bottom of the hood, causes the generation of two axially aligned rotational flow patterns (P2, P'2) in the hood between each side wall (4,3) and the central deflection casing (10), from which polluted air is exhausted (via 11,12).

REFERENCES:
patent: 1391216 (1921-09-01), Stewart
patent: 2526166 (1950-10-01), Smith
patent: 2793712 (1957-05-01), Graswich et al.
patent: 3221635 (1965-12-01), Hill, Jr.
patent: 3364664 (1968-01-01), Doane
patent: 3430551 (1969-03-01), Hauville
patent: 4134331 (1969-01-01), Bender
patent: 4423669 (1984-01-01), Bullock et al.

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