Commercial air ventilation system

Details Commercial air ventilation system Commercial air ventilation system

1988-07-01

1989-12-19

Yeung, James C.

Stoves and furnaces

Stove hoods

55DIG36, F24C 1520

Patent

active

048875872

ABSTRACT:
A commercial air ventilation system with an improved air distribution and mixing characteristics for use in a commercial kitchen is disclosed herein. The air ventilation system is characterized by a commercial stove top hood which is divided into make-up air and exhaust air sections. The make-up air section is divided into primary make-up air plenum and a secondary make-up air plenum. The secondary make-up air plenum allows air flow into a pre-exhaust chamber through a continuously perforated plate without the need for a screen. Air flows from the pre-exhaust chamber to an exhaust cavity, across a grease filter and out through an exhaust plenum and exhaust conduit in such a manner that the contaminated air is expelled from the kitchen. The make-up air which rushes in to replace this air does so in a moderate and controlled manner so as to avoid the temperature extremes and drafts which otherwise are often prevalent in the kitchens of commercial establishments such as restaurants and hotels.

REFERENCES:
patent: 3645194 (1972-02-01), Ahlrich
patent: 4186727 (1980-02-01), Kaufman et al.
patent: 4346692 (1982-08-01), McCauley
patent: 4586486 (1986-05-01), Kaufman
patent: 4655194 (1987-04-01), Wooden

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