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1. 发明专利

JPH08134880A WATER GATE DOOR 失效
公开(公告)号：JPH08134880A
公开(公告)日：1996-05-28
申请号：JP27501394
申请日：1994-11-09
申请人： MITSUBISHI HEAVY IND LTD
发明人： IMAMURA KENJI , KANO SAKAE , MAEKAWA SHIN , OGUCHI KIKUO , KOYAMA ATSUO , SHIGENAGA NORIAKI , KANEKO TORU
IPC分类号： E02B7/30 , E02B7/54
摘要： PURPOSE: To prevent the jetting stream at the sealed part, by loosening the strength of the jetting water in an inflow pit in which the jetting water is conducted to a specified direction by a guide plate of jetting water. CONSTITUTION: A skin plate 11 is positioned to get in contact with a water-tight rubber 8 fixed to an effluent pipe 7 through a fitting plate 13 of the water-tight rubber. A preventive device 12 against jetting flow is composed of guide plates 12a for jetting stream fixed on a door body 3 with both elevation angle and depression angle to conduct the jetting water flowing between the door body 3 and the external wall of a dam body 9 into a box-shaped or a curved inflow pit 14. When the door body 3 of the water gate is operated, the reserved water in the inside of the water-tight rubber 8 is removed to release the pressed state and a clearance is brought about between the skin plate 11 as a part of the door body 3 and the water-tight rubber 8 and then the passing water flow is jetting out but it is conducted in the pit 14 along a direction by the preventive device against jetting flow 12, composed of the guide plates 12a for the jetting flow. The energy of jetting water is reduced by means of the curved shape and the water flows down to the bottom of door stops.

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