High entrainment venturi for random orbital sander dust...

Details High entrainment venturi for random orbital sander dust... High entrainment venturi for random orbital sander dust...

B - Operations, Transporting

05

B

B05B 1/34 (2006.01) A47L 9/02 (2006.01) B23Q 11/00 (2006.01) B24B 23/02 (2006.01) B24B 55/10 (2006.01)

Patent

CA 2206524

A venturi nozzle (1) for high entrainment vacuum use for random orbital sander dust collection having a nozzle design which improves the nozzle jet (10) to promote a uniform velocity profile (7) across the diameter of the jet nozzle (1) as well as a thin shear layer (6) by providing a shallow angle nozzle (1) approach, a smooth transition flow into the nozzle throat (2) and an accurate nozzle departure radius (3).

Une buse (1) pour un tube de Venturi à haut entraînement par le vide, destiné à recueillir les poussières d'une ponceuse orbitale a une forme qui améliore le jet (10) au niveau de cette buse, favorise l'uniformité du profil des vitesses (7) sur le diamètre de la buse (1), et réduit l'épaisseur de la couche de cisaillement (6) grâce à une buse (1) à angle d'approche faible, un écoulement en régime intermédiaire sans turbulences dans l'étranglement (2) du tube et une zone de diffusion (3) à profil courbe.

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