Paper machine with one or a plurality of valve devices

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 1/02 (2006.01) D21F 1/32 (2006.01) D21F 7/04 (2006.01) D21G 7/00 (2006.01) D21H 23/50 (2006.01)

Patent

CA 2633480

he invention relates to the use of a piezo nozzle system in a paper machine. Contrary to all expectations, piezo nozzle systems have proven to be particularly suitable for use in the extreme ambient conditions of a paper machine. Despite the high degree of humidity, the use of piezo nozzle systems allows a high degree of control and dynamics to be achieved when using controlled or regulated valve devices in a paper machine. Furthermore, the use of piezo nozzle systems ensures a high availability and stability of the valve devices while having a robust and extemely compact design.

L'invention concerne l'utilisation d'un système de buses piézoélectriques dans une machine à papier. Contre toute attente, les systèmes de buses piézoélectriques se sont révélés particulièrement adaptés aux conditions extrêmes d'une machine à papier. Notamment en dépit de l'humidité élevée, l'utilisation de systèmes de buses piézoélectriques permet d'obtenir une grande précision de régulation et une bonne dynamique lors de l'utilisation de dispositifs à soupapes commandés ou régulés dans une machine à papier. L'utilisation de systèmes de buses piézoélectriques permet par ailleurs de garantir une grande disponibilité et une bonne résistance pour une conception robuste et particulièrement compacte des dispositifs à soupapes correspondants.

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