Fluid handler and method of handling a fluid

Details Fluid handler and method of handling a fluid Fluid handler and method of handling a fluid

G - Physics

01

N

G01N 35/10 (2006.01) G01F 11/00 (2006.01) G01F 11/02 (2006.01) G01N 1/14 (2006.01)

Patent

CA 2240159

Methods of fluid handling are disclosed. According to one method, a tip of a nozzle is moved below a surface of the fluid to be handled. A pump fluidly associated with the nozzle is energized to move fluid into the nozzle. A pressure transducer fluidly associated with the nozzle is energized to monitor pressure within the nozzle. Pressure within the nozzle is substantially continuously monitored with the pressure transducer during operation of the pump. Based on the substantially continuously monitored pressure within the nozzle, it is determined whether movement of fluid into the nozzle is intended or unintended. Similar methods may be used to move fluid out to the nozzle.

La présente invention concerne des procédés de manipulation de fluides. L'un de ces procédés consiste à déplacer le bout d'une buse en dessous d'une surface du fluide à manipuler. Une pompe en relation fluide avec la buse fonctionne de façon à amener le fluide dans la buse. Un transducteur de pression en relation fluide avec la buse est mis en oeuvre de façon à surveiller la pression à l'intérieur de la buse. Pendant le fonctionnement de la pompe, le transducteur de pression surveille sensiblement constamment la pression à l'intérieur de la buse. Connaissant la pression surveillée sensiblement constamment à l'intérieur de la buse, il est possible de déterminer si le déplacement de fluide à l'intérieur de la buse est intentionnel ou non. Un procédé analogue peut également s'appliquer à la sortie de fluide de la buse.

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