Supply make-up air attachment for exhaust booths

Details Supply make-up air attachment for exhaust booths Supply make-up air attachment for exhaust booths

1984-10-24

1986-05-27

Joyce, Harold

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Fluidic oscillator

98 36, 98 4018, 981152, 239455, B08B 1502

Patent

active

045908478

ABSTRACT:
Energy conservation upgrading of existing large continuous atmospheric exhaust booths such as used for spray painting or abrasive blasting occurs when the exhaust booth is supplied with outside make-up air to substantially reduce the outflow of heated air or conditioned air from the building. Fresh outside make-up air may be discharged into the exhaust booth at its inlet opening as a transverse downdraft air curtain and left-and-right side oblique air curtains which substantially prevent the escape of air pollutants from the upper booth inlet zone. A reduced building air inflow into the lower booth inlet zone prevents the escape of air pollutants from this region. Attachable air curtain supply make-up apparatus is disclosed which can be custom fitted about the peripheral air inlet opening of existing exhaust booths. Attachable air curtain supply make-up apparatus is disclosed which can be extensibly adjusted to the inlet opening of existing exhaust booths having different dimensions, and permit the premanufacture of standardized supply make-up air apparatus.

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patent: 3747505 (1973-07-01), Turko
patent: 4427427 (1984-01-01), DeVecchi

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