Fan impeller for e.g. non-positive displacement pump

The impeller has a width ratio, b2/D of between (0.2,0.6) and a predominant radial throughflow. The radial extent, (D-d1) /D of the radial impeller blade grid (1) reduces from a region of the support wheel (2) to the cover wheel (3). The exit edges (4) of the blades rise outwardly, whereby the grid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHLENDER, FRITZ, 01462 COSSEBAUDE, DE, MUELLER, RALPH-PETER., 01324 DRESDEN, DE
Format:	Patent
Sprache:	eng ; ger
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:	The impeller has a width ratio, b2/D of between (0.2,0.6) and a predominant radial throughflow. The radial extent, (D-d1) /D of the radial impeller blade grid (1) reduces from a region of the support wheel (2) to the cover wheel (3). The exit edges (4) of the blades rise outwardly, whereby the grid outlet diameter D increases. The support wheel is inclined against the direction of flow and towards the rotational axis of the impeller. The radial blade lattice begins at the support wheel when the radial ratio, d1/D is greater than or equal to (0.5), and stops when it is greater than or equal to 75.