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

B - Operations, Transporting

67

D

B67D 7/08 (2010.01) B01F 15/04 (2006.01) G01N 35/10 (2006.01)

Patent

CA 2289465

Methods of fluid handling are disclosed. In one method, a pump fluidly associated with a nozzle is energized to move a first fluid with respect to the nozzle. Pressure fluidly associated with the nozzle is substantially continuously monitored with a pressure transducer fluidly associated with the nozzle during movement of the first fluid. An average of the pressure substantially continuously monitored is calculated. The calculated average is used to determine a threshold. The pump fluidly associated with the nozzle is energized to move a second fluid with respect to the nozzle. Pressure fluidly associated with the nozzle is substantially continuously monitored with a pressure transducer fluidly associated with the nozzle during movement of the second fluid. The substantially continuously monitored pressure is integrated. The threshold is compared with the integrated pressure to determine whether movement of the second fluid was intended or unintended.

Cette invention concerne des procédés de manipulation de fluides dans un desquels une pompe en connexion fluide avec une buse est actionnée de manière à faire se déplacer un premier fluide par rapport à ladite buse. On contrôle de manière globalement continue la pression du fluide au niveau de la buse, ceci à l'aide d'un transducteur de pression qui est en connexion fluide avec ladite buse lors du déplacement du premier fluide. On calcule ensuite la moyenne de la pression de fluide contrôlée, laquelle moyenne est utilisée afin d'établir un seuil. La pompe en connexion fluide avec la buse est ensuite actionnée pour faire se déplacer un second fluide par rapport à ladite buse. On contrôle de manière globalement continue la pression du fluide au niveau de la buse, ceci à l'aide d'un transducteur de pression qui est en connexion fluide avec ladite buse lors du déplacement du second fluide. On procède ensuite à l'intégration de la pression contrôlée de manière continue, après quoi le seuil est comparé à la pression intégrée afin de déterminer si le déplacement du second fluide est intentionnel ou accidentel.

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