Fluid level control system

E - Fixed Constructions – 02 – B

Patent

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Details

E02B 7/40 (2006.01) E02B 7/20 (2006.01) G05D 7/01 (2006.01)

Patent

CA 2455495

There is described a novel fluid level control system, particularly useful for controlling the level of water flowing in an open channel. The fluid level control system comprises a gate having a flap portion (3) interconnected to a lever portion (5). The flap portion is rotatable about a first pivot point (8) and comprises a first weight. The system further comprises a frame (1) which is fixed with respect to the flap portion. A linkage (11, 12, 13) interconnects the flap portion and the lever portion, and is connected to the frame at a second pivot point (10) different than the first pivot point (8). Under changing flow conditions in the channel, the present system operates by both : absolute movement of the lever portion and the flap portion, and (ii) relative movement between the lever portion and the flap portion. A fluid treatment system comprising the fluid level control system and a method for controlling the level of a flowing fluid are also described.

L'invention concerne un nouveau système de régulation du niveau de liquide, particulièrement utilisé pour réguler le niveau de l'eau qui s'écoule dans une canalisation à écoulement libre. Le système de régulation du niveau de liquide comprend une porte à battant (3) reliée à une partie levier (5). La partie battant tourne autour d'un premier point de pivotement (8) et comprend une première charge. Ce système comprend par ailleurs un cadre (1) fixé par rapport à la partie battant. Un raccord (11, 12, 13) reliant la partie battant et la partie levier est connecté au cadre au niveau d'un deuxième point de pivotement (10) différent du premier point de pivotement (8). Dans des conditions d'écoulement variables dans la canalisation, ce système fonctionne par: (a) mouvement absolu des parties levier et battant et (b) mouvement relatif entre la partie levier et la partie battant. L'invention concerne par ailleurs un système de traitement de liquide intégrant le ledit système de régulation de niveau, ainsi qu'un procédé de régulation du niveau du liquide en écoulement.

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