NZ720442A - A fish way - Google Patents
A fish wayInfo
- Publication number
- NZ720442A NZ720442A NZ720442A NZ72044210A NZ720442A NZ 720442 A NZ720442 A NZ 720442A NZ 720442 A NZ720442 A NZ 720442A NZ 72044210 A NZ72044210 A NZ 72044210A NZ 720442 A NZ720442 A NZ 720442A
- Authority
- NZ
- New Zealand
- Prior art keywords
- perforations
- water
- downstream
- upstream
- bed
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
A fish way for installation on the bed of a water-flow comprising a perforate hollow weir 1 defining a substantially enclosed space, with an upstream surface and a downstream surface and having a base adapted to the bed of a water-flow to define a chamber. There are two or more perforations in the upstream surface and one or more perforations in the downstream surfaces. The upstream and downstream surfaces each contain perforations 6. The perforations in the upstream surface provide for water inflow into the chamber at a rate greater than water outflow from the perforations in the downstream surface of the weir
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ720442A NZ720442A (en) | 2010-08-10 | 2010-08-10 | A fish way |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ720442A NZ720442A (en) | 2010-08-10 | 2010-08-10 | A fish way |
NZ70195210 | 2010-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ720442A true NZ720442A (en) | 2018-03-23 |
Family
ID=61626680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ720442A NZ720442A (en) | 2010-08-10 | 2010-08-10 | A fish way |
Country Status (1)
Country | Link |
---|---|
NZ (1) | NZ720442A (en) |
-
2010
- 2010-08-10 NZ NZ720442A patent/NZ720442A/en not_active IP Right Cessation
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA145820S (en) | Water pitcher | |
CA145819S (en) | Water pitcher | |
CA143827S (en) | Axe | |
CA125476S (en) | Water pitcher | |
MX2013015011A (en) | Smoking article filter including polymeric insert. | |
CA141284S (en) | Bracket | |
CA125883S (en) | Water pitcher | |
CA126729S (en) | Water filter | |
CA140722S (en) | Microphone with fold-up legs | |
AU317476S (en) | Water filtration system | |
CA141920S (en) | Flow regulator | |
AU318829S (en) | Revetment block | |
CA144078S (en) | Buoy | |
AU317477S (en) | Water filtration system | |
NZ720442A (en) | A fish way | |
MX2018015874A (en) | Scallop support distributor for radial flow reactor. | |
CA143622S (en) | Water flow meter | |
Hong et al. | Variations of Live-bed pier scour in steady and unsteady flow conditions | |
TWD179121S (en) | Water purifier filter | |
TWD178204S (en) | Water purifier filter | |
GEU20131768Y (en) | Open basin for fish breeding for allocation under construction | |
Shimazu | Fluvial landforms, flood disaster and traditional disaster prevention systems of the River ara and the River tone in the central part of the kanto Plain | |
UA75477U (en) | Method for protection against flood in catchment basin | |
TH73411S1 (en) | Buoyancy for water aerator | |
AU324620S (en) | Liquid flow aerator/regulator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PSEA | Patent sealed | ||
LAPS | Patent lapsed |