E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 8/08 (2006.01) A01K 61/00 (2006.01) E02B 1/00 (2006.01) E02B 9/04 (2006.01)
Patent
CA 2440140
An apparatus for separating animated objects, such as fish, between a non- diverted (4) and diverted (5) fluid stream. The apparatus includes a screen or similar selective pass through device that is arranged in a manner that is generally horizontal. The non-diverted flow preferably passes over the screen while the diverted flow passes through the screen. Aspects of the apparatus may include faster sweeping velocity (Vs) than pass through velocity (Vn), tapered side or bottom walls (7, 29), a depressed low flow channel, a distributed under screen reservoir that facilitates distributed fluid flow through the screen or like device and various downstream flow control devices or configurations, amongst other aspects.
Cette invention concerne une installation permettant à des objets animés tels que des poissons de rester dans un courant liquide principal (4), sans possibilité de pénétrer dans un courant liquide de dérivation (5). L'installation comporte un tamis (2, 22) ou un dispositif traversant sélectif analogue disposé de manière généralement horizontal. Le courant non dévié passe au-dessus du tamis alors que le courant dévié passe au travers du tamis. L'installation peut présenter les caractéristiques suivantes, notamment : vitesse du flot rasant de surface (Vs) plus élevée que vitesse du flot traversant (Vn), flancs ou fond obliques (7, 29), fond de canal à courant lent, réservoir disposé sous un tamis qui facilite la répartition de l'écoulement liquide au travers du tamis ou analogue et divers dispositifs ou configurations de régulation de débit en aval.
Battison Williams Dupuis
Farmer's Irrigation District
LandOfFree
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