DISCHARGE PUMP DEVICE

DISCHARGE PUMP DEVICE

PROBLEM TO BE SOLVED: To provide a discharge pump device constituted at a low cost, having a high efficiency and a good operability and realizing a rapid discharge work. SOLUTION: This discharge pump device 1 can be disposed at a discharge object area 100 and is provided with a liquid driving pump 2...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YONEI AKIRA, NAKAMURA HIROAKI, SASAKI ATSUSHI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
CESSPOOLS
FIXED CONSTRUCTIONS
FOUNDATIONS
HEATING
HYDRAULIC ENGINEERING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SEWERAGE
SEWERS
SOIL SHIFTING
WATER SUPPLY
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a discharge pump device constituted at a low cost, having a high efficiency and a good operability and realizing a rapid discharge work. SOLUTION: This discharge pump device 1 can be disposed at a discharge object area 100 and is provided with a liquid driving pump 20 having a driving impeller 22 for rotating a main shaft 21 by a pressure of a working fluid and a pump impeller 23 mounted on the main shaft 21; a working fluid storage tank 7 for storing the working fluid; a pressurizing pump 4 connected to the working fluid storage tank 7 and the liquid driving pump 20, suctioning and pressurizing the working fluid in the working fluid storage tank 7 and supplying to the driving impeller 22 of the liquid driving pump 20; and a working fluid- returning pipe connected to the liquid driving pump 20 and the working fluid storage tank 7 and returning the working fluid flowing from the driving impeller 22 to the working fluid storage tank 7.