Impeller for axially conveying fluids, particularly for refrigeration systems

Impeller for axially conveying fluids, particularly for refrigeration systems

An axial impeller (1) for conveying fluids comprises a hub (3) and a plurality of blades (2) and, when seen in a projection on a plane normal to a rotation axis (R) of the impeller: - a leading edge (8) of the blades is substantially rectilinear and extends in a direction radial to the rotation axis...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Vitaletti, Leonardo, Lucchetti, Roberto, Tartuferi, Mariano
Format: Patent
Sprache:eng ; fre ; 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:An axial impeller (1) for conveying fluids comprises a hub (3) and a plurality of blades (2) and, when seen in a projection on a plane normal to a rotation axis (R) of the impeller: - a leading edge (8) of the blades is substantially rectilinear and extends in a direction radial to the rotation axis (R), - an apical edge (7) of the blades is shaped like an arc of circle concentric to the rotation axis (R), - a trailing edge (9) of the blades has a curved and concave shape with a wrap angle (28) that increases from the intermediate radius (25) up to close to the outer radius (13).