System and method for monitoring performance of a spraying...

B - Operations – Transporting – 67 – D

Patent

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B67D 7/08 (2010.01)

Patent

CA 2569281

A spraying device that sprays of a mixture of fluids is monitored to determine whether it is functioning properly. The spraying device has inlets for at least two fluids, such as water and air, and a mixing chamber in which the fluids are mixed. A mixture pressure sensor is mounted on the spraying device to detect the pressure of the mixture. The input pressures of the fluids entering the spraying device are also measured. The measured input pressures of the fluids are used to calculate a predicted mixture pressure based on an empirical formula, which has parameters that can be derived when the spraying device is installed in its operating position. The calculated pressure value and the measured actual mixture pressure are then used in a comparison process to determine whether or not the spraying device is functioning properly.

L'invention concerne un dispositif de pulvérisation permettant de pulvériser un mélange de fluides. Ledit dispositif est surveillé de manière à déterminer s'il fonctionne convenablement. Ce dispositif de pulvérisation possède des entrées pour au moins deux fluides, tels que l'eau et l'air, et une chambre de mélange, dans laquelle les fluides sont mélangés. Un détecteur de pression du mélange est monté au dispositif de pulvérisation afin de déceler la pression du mélange. Les pressions d'entrée des fluides entrant dans le dispositif de pulvérisation sont, aussi, mesurées. Lesdites pressions d'entrée mesurées des fluides sont utilisées pour calculer une pression de mélange prévue en fonction d'une formule empirique, qui a de paramètres pouvant être dérivés, lorsque le dispositif de pulvérisation est installé en position de fonctionnement. La valeur de pression calculée et la pression de mélange réelle mesurée sont utilisées dans un processus de comparaison afin de déterminer si le dispositif de pulvérisation fonctionne ou non de manière adéquate.

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