G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 7/01 (2006.01) E02B 7/18 (2006.01)
Patent
CA 2281647
A device for controlling a liquid flow by means of a gas pressure. The device comprises a pressure chamber (5), in which an overpressure, an underpressure or atmospheric pressure may prevail. The pressure in said pressure chamber (5) can be used for allowing the liquid flow to pass or for stopping said liquid flow. Furthermore the liquid flow can be limited to a predetermined rate of flow. The device may interalia be used in sewage systems, hydraulic engineering works and irrigation works.
La présente invention concerne un dispositif permettant de réguler l'écoulement d'un liquide au moyen de la pression d'un gaz. Ce dispositif comporte une chambre de pression (5) pouvant être en surpression, en dépression ou à pression atmosphérique. La pression dans la chambre de pression considérée (5) peut servir à permettre au liquide de passer ou à interdire l'écoulement du liquide considéré. En outre, il est possible de limiter l'écoulement de fluide à un niveau de débit préalablement défini. Ce dispositif convient notamment pour les systèmes d'égouts, les infrastructures de génie hydraulique et d'irrigation.
Bouwkamp Gertjan Roelof
Gowling Lafleur Henderson Llp
LandOfFree
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