CENTRIFUGAL PUMP

PROBLEM TO BE SOLVED: To provide a centrifugal pump to eliminate a need for management of supply and replacement of a fats and oils lubricant, reduce size and weight through reduction of the axial length of a pump, and reduce the sizes of a shaft sealing device and bearing by extremely reducing the...

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Bibliographische Detailangaben
Hauptverfasser:	NABE SHIRO, TAKAHASHI TAKAHIRO, NASUNO ISOROKU, KURIO SHOTARO, MIYAWAKI TAKASHI, KATO HIROYUKI, INOUE HIROBUMI
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:	PROBLEM TO BE SOLVED: To provide a centrifugal pump to eliminate a need for management of supply and replacement of a fats and oils lubricant, reduce size and weight through reduction of the axial length of a pump, and reduce the sizes of a shaft sealing device and bearing by extremely reducing the size of the pump shaft. SOLUTION: In a centrifugal pump wherein the pump is driven by an external drive machine through a shaft coupling and a main shaft 3 to support an impeller 2 is of cantilever structure, bearings 10, 11, and 12 to support the pump main shaft 3 are lubricated by self pumping-up liquid or liquid which has no trouble even when the liquid is mixed with the self-pumping up liquid, and all the bearings 10, 11, and 12 are arranged between the impeller 2 and a shaft sealing device 5.