SCREW PUMP

A screw pump has a housing, a rotary shaft, several housings of stages separated with separation bushings. In each housing there is a central and at least one peripheral helical screws installed respectively in central and side openings of the housing of each stage. Profile of screw threading is cyc...

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Bibliographische Detailangaben
Hauptverfasser:	LIUBYVYI OLEKSII SEMENOVYCH, DIACHENKO OLEKSANDR SERGIIOVYCH, CHERNYSHOV SERGII IVANOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A screw pump has a housing, a rotary shaft, several housings of stages separated with separation bushings. In each housing there is a central and at least one peripheral helical screws installed respectively in central and side openings of the housing of each stage. Profile of screw threading is cycloid, involute or sinusoidal. End surfaces of each of central screws at side of outlet are closed by valves.