Title:
HYDRAULIC ACTUATOR ARRANGEMENT AND A HANDLING ARRANGEMENT FOR WEB ROLLS AND/OR REELING SHAFTS OF A FIBER WEB MACHINE
Document Type and Number:
WIPO Patent Application WO/2010/106226
Kind Code:
A3
Abstract:
The present invention relates to a hydraulic actuator arrangement (10), comprising a hydraulic actuator (12, 15, 55, 56) and a control device (14) to control the flow of hydraulic medium to and/or from the hydraulic actuator. The hydraulic actuator arrangement (10) comprises an energy accumulator unit (26, 27) connected to the hydraulic medium discharged from the hydraulic actuator. The invention also relates to hydraulic treatment arrangement for fiber web machine web rolls and/or reeling shafts, which comprises at least one machine element (1.10) driven by the hydraulic actuator arrangement (10).
Inventors:
ENWALD PETRI (FI)
JAERVENSIVU MARKKU (FI)
KEMPPAINEN MATTI M (FI)
LESKINEN ARTO (FI)
VANTOLA PEKKA (FI)
VIRTANEN TIMO (FI)
AAKERLUND KENNETH (FI)
JAERVENSIVU MARKKU (FI)
KEMPPAINEN MATTI M (FI)
LESKINEN ARTO (FI)
VANTOLA PEKKA (FI)
VIRTANEN TIMO (FI)
AAKERLUND KENNETH (FI)
Application Number:
PCT/FI2010/050197
Publication Date:
January 13, 2011
Filing Date:
March 16, 2010
Export Citation:
Assignee:
METSO PAPER INC (FI)
ENWALD PETRI (FI)
JAERVENSIVU MARKKU (FI)
KEMPPAINEN MATTI M (FI)
LESKINEN ARTO (FI)
VANTOLA PEKKA (FI)
VIRTANEN TIMO (FI)
AAKERLUND KENNETH (FI)
ENWALD PETRI (FI)
JAERVENSIVU MARKKU (FI)
KEMPPAINEN MATTI M (FI)
LESKINEN ARTO (FI)
VANTOLA PEKKA (FI)
VIRTANEN TIMO (FI)
AAKERLUND KENNETH (FI)
International Classes:
F15B1/02; F15B21/14
Foreign References:
| EP0525547A1 | 1993-02-03 | |||
| DE102006043628A1 | 2008-03-27 |
Attorney, Agent or Firm:
GENIP OY (Kotka, FI)
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