Stoves and furnaces – Stoves – Cooking
Patent
1978-09-20
1980-07-08
Capossela, Ronald C.
Stoves and furnaces
Stoves
Cooking
55DIG36, 126299D, F21C 1508, F23J 1100
Patent
active
042111544
ABSTRACT:
Gases such as contaminated exhaust or stale air are induced toward a suction orifice by means of an air nozzle spaced from the orifice and pointing generally in the direction thereof to generate a Venturi effect on the gases at considerable distances from the suction orifice. An auxiliary plate extending generally parallel to and spaced slightly from the exposed wall of the air nozzle has one edge thereof positioned at a point farther away from the suction orifice than the outlet of the air nozzle, so that a secondary Venturi is generated and the capture point of the gases being collected is effectively moved further away from the suction orifice thereby improving the collection effect of the orifice.
REFERENCES:
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patent: 2942540 (1960-06-01), Lundy
patent: 3292525 (1966-12-01), Jensen
patent: 3303839 (1967-02-01), Tavan
patent: 3340788 (1967-09-01), Landingham et al.
patent: 3397631 (1968-08-01), Simons
patent: 3511162 (1970-05-01), Truhan
patent: 3814002 (1974-06-01), Rombach et al.
patent: 4011802 (1977-05-01), Molitor et al.
patent: 4137904 (1979-02-01), Dorius
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