Air ventilation and washing system

Details Air ventilation and washing system Air ventilation and washing system

B - Operations, Transporting

08

B

98/43

B08B 15/02 (2006.01)

Patent

CA 1092424

AIR VENTILATION AND WASHING SYSTEM ABSTRACT An air ventilation and washing system for extracting noxious or other impure air, such as is present above the cooking surface of a stove having automatically activated electrical and mechani- cal fire control apparatus selectively responsive to changes in temperature is disclosed. The air ventilation system has a hood structure providing a make-up air distribution plenum through which air is distributed and pressurized for equal distribution of makeup air along the length of the hood structure. A vortex baffle is provided in the hood between a make-up air cavity and an exhaust cavity to cause efficient mixing of room air and make-up air from the exterior, while protecting personnel from exposure to the ex- terior make-up air, and a vortex chamber causes the mixing of the make-up air and room air with contaminated air from the stove.

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