Method for controlling a cleaning device and cleaning device...

B - Operations – Transporting – 08 – B

Patent

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Details

B08B 3/02 (2006.01) F04B 49/02 (2006.01)

Patent

CA 2612007

The invention relates to a method for controlling the operational mode of a cleaning device, in particular a high pressure cleaning device, wherein a pump (12) transports cleaning fluid by means of a pressure line (18) to a closeable injection nozzle. A signal transmitter (26) is coupled to the pressure line, which produces control signals according to the pressure in the pressure line. The aim of the invention is to improve said method in such a manner that the cleaning device can be controlled in a constructively simple and reliable manner by the injection nozzle. According to the invention, a first control signal is provided by the signal transmitter by closing the injection nozzle and a second control signal is also provided by the signal transmitter by subsequently re-opening the injection nozzle, and the operational mode of the cleaning device is controlled according to the duration of the time interval between both control signals. The invention also relates to a cleaning device, in particular a high pressure cleaning device which is used to carry out said method.

L'invention concerne un procédé de commande d'un appareil de nettoyage, notamment d'un appareil de nettoyage haute pression, selon lequel une pompe (12) transporte du liquide de nettoyage par l'intermédiaire d'une conduite de pression (18) vers une buse de pulvérisation refermable. La conduite de pression est couplée à un capteur (26) fournissant des signaux de commande en fonction de la pression présente dans la conduite de pression. L'invention vise à améliorer ledit procédé de telle manière que l'appareil de nettoyage peut être commandé de façon fiable et simple à partir de la buse de pulvérisation. A cet effet, le capteur fournit un premier signal de commande par fermeture de la buse de pulvérisation, et un deuxième signal de commande par réouverture de la buse de pulvérisation, et le mode de fonctionnement de l'appareil de nettoyage est commandé en fonction de la durée de l'intervalle entre les deux signaux de commande. L'invention concerne également un appareil de nettoyage, notamment un appareil de nettoyage haute pression destiné à la mise en oeuvre du procédé selon l'invention.

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