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Title:
DEVICE FOR PREVENTING FOREIGN MATTER FROM ENTERING INTAKE
Document Type and Number:
Japanese Patent JP3745893
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a device for preventing foreign matters from entering an intake, for stopping foreign matters that may flow into the intake from a river and causing the foreign matters to flow downward in the downstream direction of the river to prevent the foreign matters from being trapped and collected at the intake, and, even if part of the device is damaged, preventing the stop of the entire device to allow water to be admitted continuously.
SOLUTION: In this device for preventing foreign matters 4 from entering an intake 3, a plurality of columnar screen units 5 formed by securing a number of discs 52 to a rotating shaft 51 at predetermined intervals are arranged so that the discs 52, 52 of the adjacent columnar screen unit 5 overlap. The plurality of columnar screen units 5 are separated into plural groups 5A, 5B, which are provided with respective independent driving mechanisms 6A, 6B.


Inventors:
Tetsuo Yamagata
Eiichi Muto
Hajime Iinuma
Application Number:
JP36566197A
Publication Date:
February 15, 2006
Filing Date:
December 22, 1997
Export Citation:
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Assignee:
Hitachi Kiden Kogyo Co., Ltd.
International Classes:
E02B5/08; E02B9/04; (IPC1-7): E02B5/08; E02B9/04
Domestic Patent References:
JP8151622A
JP63116530U
JP51116660U
JP8304537A
Attorney, Agent or Firm:
Osamu Mori