Method and means for providing a clean area
Abstract
Abstract FASHION AN OPERATOR IS ALWAYS DOWNWIND OF THE OPERATING AREA AND THE DIFFUSER MEANS CAN BE COMPARATIVELY SMALL IN SIZE. A METHOD AND MEANS FOR PROVIDING A PARTICULATE FREE AREA. IN THE PAST CLEAN ROOMS HAVE BEEN CREATED BY POSITIONING DIFFUSERS FOR CLEAN AIR, OR FILTERS WHICH CLEAN THE AIR, IMMEDIATELY ADJACENT THE AREA TO BE CLEANED. THE CLEAN AIR WAS BEAMED ACROSS THE AREA TO BE CLEANED AND AN OPERATOR WHO HAD TO APPROACH THE CLEAN AREA FROM AN UP-WIND SIDE CONTAMINATED THE CLEAN AREA. ALSO, DIFFUSERS AND FILTERS WERE OF SUCH A MASSIVE CONSTRUCTION THAT FREQUENTLY THEY LIMITED ACCESS TO THE OPERATOR AREA. THE INVENTOR PROVIDES TUBULAR DIFFUSER MEANS WHICH ARE SPACED ABOUT THE AREA TO BE CLEANED AND LOW VELOCITY CLEAN AIR IS DIFFUSED THROUGH THE PERIPHERY OF THE DIFFUSER MEANS IN SUCH A FASHION THAT CURRENTS DIRECTED INWARDLY TOWARDS THE WORK AREA FROM OPPOSITE SIDES THEREOF DIRECTIONALLY INFLUENCE EACH OTHER AND CREATE A RESULTANT CURRENT SUBSTANTIALLY NORMAL TO AND AWAY FROM SAID AREA. IN THIS
Inventors
- 👤 E Criddle
Bibliographic Details
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