JPS56105011A - Undulating weir in flexible film - Google Patents
Undulating weir in flexible filmInfo
- Publication number
- JPS56105011A JPS56105011A JP470780A JP470780A JPS56105011A JP S56105011 A JPS56105011 A JP S56105011A JP 470780 A JP470780 A JP 470780A JP 470780 A JP470780 A JP 470780A JP S56105011 A JPS56105011 A JP S56105011A
- Authority
- JP
- Japan
- Prior art keywords
- water
- weir
- enclosure
- discharged
- undulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Barrages (AREA)
Abstract
PURPOSE: To improve safety to the undulations of an undulating weir in a flexible film by mounting a plurality of undulating devices or means by means of different kinds of sensors and drive methods to the weir.
CONSTITUTION: A feed water pump 11 is actuated, and water is supplied into an enclosure 21. When the height of a weir reaches height (h) designed, rising is completed. When a water level of an upper current reaches an automatic undulating water-level 31, a motor sluice valve 1 is opened by means of detectors 13, 15, water in the enclosure 21 is discharged and the weir is undulated. Even when an electric automatic undulating device gets out of order, upper current water pushes up a float 16, compressed air in a compressed air tank 3 is communicated with a cylinder type butterfly valve 5, the valve is opened, water in the enclosure 21 is discharged and the weir is undulated. Even when said two devices are broken, the inner pressure of the enclosure reaches a top section of a siphon mechanism 18, and water in the enclosure 21 is discharged by means of the siphon mechanism 18. Even when sluice valves 1, 10 are opened, the water is discharged.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP470780A JPS56105011A (en) | 1980-01-19 | 1980-01-19 | Undulating weir in flexible film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP470780A JPS56105011A (en) | 1980-01-19 | 1980-01-19 | Undulating weir in flexible film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56105011A true JPS56105011A (en) | 1981-08-21 |
Family
ID=11591346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP470780A Pending JPS56105011A (en) | 1980-01-19 | 1980-01-19 | Undulating weir in flexible film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56105011A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5479928A (en) * | 1977-12-07 | 1979-06-26 | Sumitomo Electric Industries | Movable weir made of flexible membrane |
-
1980
- 1980-01-19 JP JP470780A patent/JPS56105011A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5479928A (en) * | 1977-12-07 | 1979-06-26 | Sumitomo Electric Industries | Movable weir made of flexible membrane |
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