Control system for a pump

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 15/00 (2006.01) F04B 49/06 (2006.01) F04D 15/02 (2006.01)

Patent

CA 2606556

The present invention relates to pumps comprising variable frequency drive means and methods for operating such pumps. The inventive method for operating a pump (1) comprises the steps of, obtaining values of operating parameters of the pump (1) indicating pump conditions, communicating said values of operating parameters from variable frequency drive means (2) to a control device (11) , determining if a predetermined condition is ful- filled, communicating instructions from the control device (11) to the variable frequency drive means (2), based on the fulfilment of said predetermined condition. Furthermore, a computer program product loadable into a memory of a digital computer device, including software code portions for performing the inventive method, a pump (1) , a pump system and a control device (11) for a pump are described.

La présente invention a pour objet des pompes caractérisées par des systèmes d~entraînement à fréquence variable et des méthodes permettant d~actionner de telles pompes. La méthode innovatrice permettant d~actionner une pompe (1) comprend les étapes suivantes : obtenir les valeurs des paramètres de service de la pompe (1) indiquant les conditions de la pompe, communiquer lesdites valeurs des paramètres de service des systèmes d~entraînement à fréquence variable (2) à un dispositif de commande (11), déterminer si une condition prédéterminée est remplie, communiquer les instructions du dispositif de commande (11) au système d~entraînement à fréquence variable (2), en fonction du respect de ladite condition prédéterminée. L'invention concerne en outre, un produit-programme informatique pouvant être chargé dans la mémoire d~un système informatique numérique, comprenant des portions de codes logiciels pour exécuter la méthode innovatrice, une pompe (1), un dispositif de pompe et un dispositif de commande (11) de pompe.

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