Pump incorporated in textile package dyeing machine

A pump has a bearing stand (3) in which a pump shaft (1) is mounted to be driven by an electric motor. The shaft (1) mounts an impeller (9) having blades (10) which cause fluid entering through an axial inlet nozzle (11) to flow, by rotation of the impeller in one direction through a centrifugal exi...

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Bibliographische Detailangaben
Hauptverfasser:	TSUI TAK MING, WILLIAM GRAHAM FRANK CLIFFORD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR HEATING LAUNDERING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TEXTILES TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS TREATMENT OF TEXTILES OR THE LIKE WEAPONS
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Beschreibung
Zusammenfassung:	A pump has a bearing stand (3) in which a pump shaft (1) is mounted to be driven by an electric motor. The shaft (1) mounts an impeller (9) having blades (10) which cause fluid entering through an axial inlet nozzle (11) to flow, by rotation of the impeller in one direction through a centrifugal exit nozzle (12) formed by a suitably located quarter toroid (13a), and a half toroid (14), formed as sheet metal pressings. When the impeller (9) is rotated in the opposite direction the centrifugal nozzle (12) acts as an entry nozzle and the axial nozzle (11) acts as an axial discharge. The pump is particularly suitable for treating textile yarns since said one direction of rotation can be used for out-to-in treatment liquor flow where relatively high resistance is encountered and said opposite direction of rotation can be used for in-to-out treatment liquor flow where resistance is relatively lower.