B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 12/00 (2006.01) B05B 12/08 (2006.01) B05B 12/14 (2006.01)
Patent
CA 2280112
In a device for feeding a controlled volume flow of liquid to a spray nozzle for automatic spray application a member (4) of displacement pump type is arranged in a conduit between a liquid source and the spray nozzle. The very feeding of the liquid in the conduit is caused by a pump means located upstream of the member of displacement pump type. The pressure of the liquid is measured by means (8, 9) upstream and downstream of the member of displacement pump type, and the throttling degree of a valve means (6) is regulated for obtaining a correspondence between the pressure values measured corresponding to a volume flow predetermined by the speed of the movable parts of the member of displacement pump type.
Dispositif destiné à acheminer un flux de liquide à volume régulé vers une buse pour application dudit liquide par pulvérisation automatique, dans lequel un élément (4) du type pompe volumétrique est placé dans un conduit reliant la source de liquide à la buse de pulvérisation. L'entrée effective du liquide dans le conduit est provoquée par une pompe située en amont de l'élément de type pompe volumétrique. La pression du liquide est mesurée par des moyens (8, 9) situés en amont et en aval de l'élément de type pompe volumétrique, et le degré d'étranglement (6) de la vanne est régulé de manière à obtenir une correspondance entre les valeurs de pression mesurées correspondant à un débit volumétrique prédéterminé par la vitesse des parties mobiles de l'élément de type pompe volumétrique.
Abb Flexible Automation A/s
Robic
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