AXIAL, DIAGONAL OR RADIAL FAN HAVING A HUB CONTOUR

An axial, diagonal or radial fan having an impeller driven by an electric external rotor motor, wherein the impeller comprises a hub ring carrying blades and which is connected in a rotationally fixed manner to the rotor, and wherein a hub contour is provided on the inflow side on the hub ring, whic...

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Bibliographische Detailangaben
Hauptverfasser:	LOERCHER, Frieder, HUB, Sandra
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	An axial, diagonal or radial fan having an impeller driven by an electric external rotor motor, wherein the impeller comprises a hub ring carrying blades and which is connected in a rotationally fixed manner to the rotor, and wherein a hub contour is provided on the inflow side on the hub ring, which hub contour has a flow-guiding outer surface and a central opening adjoining the outer surface radially inwards with an inner surface directed towards the rotor.