Ventilation system

Details Ventilation system Ventilation system

1977-10-28

1979-09-04

Byers, Jr., Nile C.

Stoves and furnaces

Stove hoods

F24C 1520

Patent

active

041664485

ABSTRACT:
A ventilation system for removing fumes in the space above a cooking surface includes a hood located above the cooking surface which forms an entrainment chamber between the hood and the cooking surface, an air intake means having a blower which introduces outside air into the entrainment chamber and exhaust means in operative relation with the hood and including a filter member through which the air and the cooking fumes are passed to filter out the grease and to exhaust the filtered air and gasses into the atmosphere. The improvement is in the provision of an intake blower and an exhaust blower and additionally, an air spreading and diffusion means for forming an air pattern in the entrainment chamber corresponding to the planar area of the cooking surface. The diffused inlet gasses thus mix with the heated fumes and gasses from the cooking surface and therefore eliminates the need to pretemper the air entering the entrainment chamber. The provision of the air spreading and diffusion means in the top of the hood eliminates double walled hood construction with the pretempering chamber and can eliminate energy requirements by as much as 80%.

REFERENCES:
patent: 3292525 (1966-12-01), Jensen
patent: 3411428 (1968-11-01), Ahlrich
patent: 3513766 (1970-05-01), Ahlrich
patent: 3625135 (1971-12-01), Carlson
patent: 3664255 (1972-05-01), Kuechler
patent: 3690245 (1972-09-01), Ferlise
patent: 3766906 (1973-10-01), Jenn
patent: 3800689 (1974-04-01), Brown
patent: 4085736 (1978-04-01), Kuechler
patent: 4089327 (1978-05-01), Welsh

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