Method of handling a fluid

G - Physics – 01 – N

Patent

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G01N 1/14 (2006.01) B67D 99/00 (2010.01) G01N 35/10 (2006.01)

Patent

CA 2289772

Methods of fluid handling are disclosed. In one method, a nozzle is moved adjacent a container for a fluid. A pump fluidly associated with the nozzle is energized to move fluid with respect to the nozzle. A pressure transducer fluidly associated with the nozzle is energized to monitor transient pressure fluidly associated with the nozzle. The transient pressure fluidly associated with the nozzle is substantially continuously monitored with the pressure transducer at least during operation of the pump. It is determined whether movement of fluid with respect to the nozzle is intended or unintended based on the substantially continuously monitored pressure fluidly associated with the nozzle.

Cette invention se rapporte à des procédés de manipulation de fluide. Selon un de ces procédés, on déplace une tuyère en position adjacente à un contenant conçu pour un fluide. On alimente en énergie une pompe en communication fluidique avec la tuyère en vue de provoquer le déplacement du fluide par rapport à la tuyère. On alimente en énergie un transducteur de pression en communication fluidique avec la tuyère de manière à réguler la pression transitoire associée au fluide dans la tuyère. On contrôle de manière sensiblement continue cette pression transitoire associée au fluide dans la tuyère à l'aide du transducteur de pression, au moins pendant le fonctionnement de la pompe. On détermine alors si le mouvement du fluide par rapport à la tuyère est voulu ou accidentel, en fonction de la pression contrôlée de manière sensiblement continue et associée au fluide dans la tuyère.

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