| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump device capable of pulling up a submergible motor pump excluding a pump casing under a balanced condition without providing a large hole on a ceiling of a pump pit and forming a pump casing in the most efficient shape. SOLUTION: This pump device is provided with the submergible motor pump 10 having a delivery opening of the pump casing 13 connected to an attachable and detachable bend pipe (delivery pipe) 17 provided in the pump pit 15. A pump rotating body part (impeller 12 or the like) excluding the pump casing 13 and a submergible motor 11 driving the pump rotating body part are formed as one assembly and the assembly is arranged in such a manner that the same can be attached to and detached from the pump casing 13. COPYRIGHT: (C)2006,JPO&NCIPI
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