EP 2516737 B1 20150429 - ASSEMBLY FOR CONTROLLING THE POSITION OF A ROLL OR THE NIP PRESSURE OF A ROLL NIP OF A FIBROUS MATERIAL WEB MACHINE
Title (en)
ASSEMBLY FOR CONTROLLING THE POSITION OF A ROLL OR THE NIP PRESSURE OF A ROLL NIP OF A FIBROUS MATERIAL WEB MACHINE
Title (de)
ANORDNUNG ZUR REGELUNG DER POSITION EINER WALZE ODER DES SPALTDRUCKS EINES WALZENSPALTS EINER FASERSTOFFBAHNMASCHINE
Title (fr)
AGENCEMENT POUR LE REGLAGE DE LA POSITION D'UN CYLINDRE OU DE LA PRESSION DANS L'ECARTEMENT DES CYLINDRES, D'UNE MACHINE DE PRODUCTION DE BANDES DE MATIERE FIBREUSE
Publication
Application
Priority
- DE 102009055308 A 20091223
- EP 2010064840 W 20101005
Abstract (en)
[origin: WO2011076453A1] The invention relates to an assembly for controlling the position of a roll or the gap pressure of a roll gap, in particular in a fiber web machine, for example a paper, cardboard or tissue machine. The assembly according to the invention comprises at least one actuator (4, 5) driven by fluid pressure for varying the roll position or the roll gap pressure, at least one digital valve regulator (1) connected to the at least one actuator (4, 5) or to a plurality of actuators (4, 5) that are driven by fluid pressure, and at least one first digital, normally open shut-off valve (15, 16, 17, 18). The at least one shut-off valve (15, 16, 17, 18) is provided between the regulator and the actuator, and the at least one pressure regulator comprises a plurality of digital valves and can control a fluid pressure and/or a fluid flow. The invention further relates to related control methods and diagnostic and maintenance methods.
IPC 8 full level
D21F 3/06 (2006.01); D21G 1/00 (2006.01); D21G 9/00 (2006.01)
CPC (source: EP)
D21F 3/06 (2013.01); D21G 1/004 (2013.01); D21G 9/0036 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2011076453 A1 20110630; CN 102666981 A 20120912; CN 102666981 B 20150218; DE 102009055308 A1 20110630; EP 2516737 A1 20121031; EP 2516737 B1 20150429; JP 2013515867 A 20130509; JP 5719853 B2 20150520
DOCDB simple family (application)
EP 2010064840 W 20101005; CN 201080058958 A 20101005; DE 102009055308 A 20091223; EP 10763181 A 20101005; JP 2012545170 A 20101005