IT1190988B - Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta - Google Patents

Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta

Info

Publication number
IT1190988B
IT1190988B IT23144/82A IT2314482A IT1190988B IT 1190988 B IT1190988 B IT 1190988B IT 23144/82 A IT23144/82 A IT 23144/82A IT 2314482 A IT2314482 A IT 2314482A IT 1190988 B IT1190988 B IT 1190988B
Authority
IT
Italy
Prior art keywords
fluids
production
pressure pulsation
paper tapes
attenuation process
Prior art date
Application number
IT23144/82A
Other languages
English (en)
Other versions
IT8223144A0 (it
Inventor
Maurizio Cantini
Original Assignee
Mondadori Editore Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mondadori Editore Spa filed Critical Mondadori Editore Spa
Priority to IT23144/82A priority Critical patent/IT1190988B/it
Publication of IT8223144A0 publication Critical patent/IT8223144A0/it
Priority to SE8207120A priority patent/SE457539B/sv
Priority to FI831017A priority patent/FI79874C/fi
Priority to DE3311822A priority patent/DE3311822C2/de
Priority to JP58098147A priority patent/JPS5947495A/ja
Priority to US06/520,192 priority patent/US4523977A/en
Application granted granted Critical
Publication of IT1190988B publication Critical patent/IT1190988B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/06—Regulating pulp flow
    • D21F1/065—Shock-absorbing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Pipe Accessories (AREA)
IT23144/82A 1982-09-07 1982-09-07 Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta IT1190988B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT23144/82A IT1190988B (it) 1982-09-07 1982-09-07 Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta
SE8207120A SE457539B (sv) 1982-09-07 1982-12-13 Anordning foer daempning av tryckpulser i en matarledning som leder till en intagsbehaallare vid maskiner foer kontinuerlig tillverkning av pappersbanor
FI831017A FI79874C (fi) 1982-09-07 1983-03-24 Anordning foer daempning av tryckpulser i fluider, i synnerhet foer kontinuerliga maskiner foer tillverkning av pappersbanor.
DE3311822A DE3311822C2 (de) 1982-09-07 1983-03-31 Vorrichtung zur Dämpfung von Druckpulsationen für Papiermaschinen
JP58098147A JPS5947495A (ja) 1982-09-07 1983-06-03 連続巻取紙製造機の為の流体圧力脈動減衰装置と方法
US06/520,192 US4523977A (en) 1982-09-07 1983-08-04 Method and a device for attenuating pressure pulses through fluids, in particular for continuous paper web producing machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23144/82A IT1190988B (it) 1982-09-07 1982-09-07 Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta

Publications (2)

Publication Number Publication Date
IT8223144A0 IT8223144A0 (it) 1982-09-07
IT1190988B true IT1190988B (it) 1988-02-24

Family

ID=11204247

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23144/82A IT1190988B (it) 1982-09-07 1982-09-07 Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta

Country Status (6)

Country Link
US (1) US4523977A (it)
JP (1) JPS5947495A (it)
DE (1) DE3311822C2 (it)
FI (1) FI79874C (it)
IT (1) IT1190988B (it)
SE (1) SE457539B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750523A (en) * 1987-10-30 1988-06-14 Beloit Corporation Active attenuator and method
JPH01255793A (ja) * 1988-04-05 1989-10-12 Fuji Photo Film Co Ltd 流体の脈動防止方法
DE4237303A1 (en) * 1992-11-05 1993-04-08 Voith Gmbh J M Pulsation damping of pulp currents - in paper machine breast box, without using costly devices
DE4441217C2 (de) * 1993-12-17 1998-09-10 Voith Sulzer Papiermasch Gmbh Verfahren zur Dämpfung von Druckstößen sowie Vorrichtung zur Durchführung des Verfahrens
DE19505381C1 (de) * 1995-02-17 1996-08-01 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zum Dämpfen von Pulsationen in einer strömenden Faserstoffsuspension
DE102005008071A1 (de) * 2005-02-22 2006-08-24 Voith Paper Patent Gmbh Maschine zur Herstellung/Bearbeitung einer Materialbahn und Dämpfvorrichtung
DE102008057470A1 (de) 2008-11-14 2010-05-20 Formfaktor Gmbh Druckspeicher

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1798514U (de) * 1958-08-21 1959-10-22 Erkelenzer Bohrgesellschaft M Druckstosskompensator.
US2949932A (en) * 1959-06-18 1960-08-23 Westinghouse Air Brake Co Surge dampener apparatus
US3206228A (en) * 1962-09-18 1965-09-14 Us Rubber Co Vibration joints
CH608873A5 (it) * 1976-07-20 1979-01-31 Escher Wyss Gmbh
GB1568109A (en) * 1976-10-05 1980-05-21 Valmet Oy Means for damping pressure disturbances in the pulp supply to a paper-making machine headbox
FI57281C (fi) * 1976-10-05 1980-07-10 Valmet Oy Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin
JPS6055639B2 (ja) * 1979-02-02 1985-12-05 三菱重工業株式会社 圧力脈動吸収装置
US4262700A (en) * 1979-03-16 1981-04-21 Beloit Corporation Broad-band pulsation attenuator
US4308095A (en) * 1980-07-18 1981-12-29 Beloit Corporation Extended low frequency range pulsation attenuator

Also Published As

Publication number Publication date
FI831017A0 (fi) 1983-03-24
IT8223144A0 (it) 1982-09-07
JPS5947495A (ja) 1984-03-17
DE3311822C2 (de) 1986-07-17
FI831017L (fi) 1983-10-08
FI79874C (fi) 1990-03-12
DE3311822A1 (de) 1984-03-15
FI79874B (fi) 1989-11-30
SE8207120D0 (sv) 1982-12-13
US4523977A (en) 1985-06-18
SE457539B (sv) 1989-01-09
SE8207120L (sv) 1984-03-08

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