| 摘要 |
PROBLEM TO BE SOLVED: To reduce weight and cost of a pump gate. SOLUTION: The pump gate 1 is provided with a horizontal shaft pump device 5 comprised of a submerged motor 7 and a pump part, and a water shut off gate including an open-close door body 4 having the pump device 5 attached thereon. The pump device 5 has the motor casing 22 constructing an outer shell of the submerged motor 7 constructed by a metal member and is provided with the pump casing 30, a straightening plate hub 17 and a straightening plate 11 as a component of a pump part, and is constructed by a resin member having the pump casing 30, the straightening plate hub 17 and the straightening plate 11 formed as one unit. COPYRIGHT: (C)2007,JPO&INPIT
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