VORTEX FINDER FOR A CYCLONIC SEPARATOR

The invention describes a vortex finder for a cyclonic separator. The vortex finder includes a plurality of stationary vanes around which incoming air is guided into the vortex finder, in which a side of the vanes facing the incoming air is provided with a protrusion at a stagnation point. The protr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOOPMANS, Emiel, VAN DER KOOI, Johannes Tseard
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES PERFORMING OPERATIONS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention describes a vortex finder for a cyclonic separator. The vortex finder includes a plurality of stationary vanes around which incoming air is guided into the vortex finder, in which a side of the vanes facing the incoming air is provided with a protrusion at a stagnation point. The protrusion is shaped so as to guide the incoming air into the vortex finder, and have a concave side following a shape of a neighboring vane, and a rounded top. Further, the protrusion has a height in a range between 70% and 130%, and in a range between 85% and 115% of a gap width between the vanes. The gap width between adjacent vanes increases from an outside to an inside of the vortex finder. A vacuum cleaner that includes a cyclonic separator has such a vortex finder.