AUGER-CENTRIFUGAL PUMP

AUGER-CENTRIFUGAL PUMP

An auger-centrifugal pump with the screw blades separated with circular cuts normal to the axis of the screw into several rows. The density of the grid of the blades , placed between the cuts is within 0.2 and 0.5, where û ?? length of the blade, t û pitch of the grid. The cuts are arranged at the i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PYLYPENKO VIKTOR VASYLIOVYCH, IVANOV YAKIV MYKOLAIOVYCH
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 auger-centrifugal pump with the screw blades separated with circular cuts normal to the axis of the screw into several rows. The density of the grid of the blades , placed between the cuts is within 0.2 and 0.5, where û ?? length of the blade, t û pitch of the grid. The cuts are arranged at the inlet part of the screw and the pressure of the screw is enough for cavitation-free operation of the centrifugal wheel. Such implementation provides stable operation of the pump and the feeding system of liquid rocket engines with respect to the low-frequency cavitation self-oscillations in broad range of modes, with the throttling modes included.