FI945905A0 - Förfarande för att dämpa tryckstötar samt en anordning för att förverkliga förfarandet - Google Patents

Förfarande för att dämpa tryckstötar samt en anordning för att förverkliga förfarandet

Info

Publication number
FI945905A0
FI945905A0 FI945905A FI945905A FI945905A0 FI 945905 A0 FI945905 A0 FI 945905A0 FI 945905 A FI945905 A FI 945905A FI 945905 A FI945905 A FI 945905A FI 945905 A0 FI945905 A0 FI 945905A0
Authority
FI
Finland
Prior art keywords
dampening
thrust
realizing
dampening thrust
Prior art date
Application number
FI945905A
Other languages
English (en)
Finnish (fi)
Other versions
FI945905A (sv
Inventor
Rudolf Muench
Original Assignee
Escher Wyss Gmbh
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 Escher Wyss Gmbh filed Critical Escher Wyss Gmbh
Publication of FI945905A0 publication Critical patent/FI945905A0/sv
Publication of FI945905A publication Critical patent/FI945905A/sv

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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • 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
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0333—Noise absorbers by means of an active system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables
    • Y10S162/11—Wet end paper making variables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0396—Involving pressure control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/218—Means to regulate or vary operation of device
    • Y10T137/2185—To vary frequency of pulses or oscillations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/218—Means to regulate or vary operation of device
    • Y10T137/2202—By movable element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/218—Means to regulate or vary operation of device
    • Y10T137/2202—By movable element
    • Y10T137/2213—Electrically-actuated element [e.g., electro-mechanical transducer]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3115—Gas pressure storage over or displacement of liquid
    • Y10T137/3118—Surge suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Pipe Accessories (AREA)
  • Measuring Volume Flow (AREA)
FI945905A 1993-12-17 1994-12-15 Förfarande för att dämpa tryckstötar samt en anordning för att förverkliga förfarandet FI945905A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4343290 1993-12-17

Publications (2)

Publication Number Publication Date
FI945905A0 true FI945905A0 (sv) 1994-12-15
FI945905A FI945905A (sv) 1995-06-18

Family

ID=6505402

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945905A FI945905A (sv) 1993-12-17 1994-12-15 Förfarande för att dämpa tryckstötar samt en anordning för att förverkliga förfarandet

Country Status (5)

Country Link
US (1) US5785815A (sv)
JP (1) JPH07198087A (sv)
CA (1) CA2137646A1 (sv)
DE (1) DE4441217C2 (sv)
FI (1) FI945905A (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0724110A1 (de) * 1995-01-24 1996-07-31 FILTERWERK MANN & HUMMEL GMBH Lärmdämpfungsrohr
DE19505381C1 (de) * 1995-02-17 1996-08-01 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zum Dämpfen von Pulsationen in einer strömenden Faserstoffsuspension
DE19945220A1 (de) * 1999-09-21 2001-03-22 Mann & Hummel Filter Einrichtung zur Dämpfung von Druckstößen
DE10202248A1 (de) * 2002-01-21 2003-07-31 Buehler Ag System zur Beeinflussung der rheologischen Eigenschaften eines förderbaren Materials
DE10316946A1 (de) * 2003-04-12 2004-10-21 Daimlerchrysler Ag Vorrichtung und Verfahren zur Dämpfung von Druckschwingungen in Hydraulikleitungen
DE102005058547B4 (de) * 2005-12-08 2012-04-12 Airbus Operations Gmbh Einrichtung zur Verminderung von Hydrofluidschwingungen in einem Hydrauliksystem
DE102005060715A1 (de) * 2005-12-19 2007-06-21 Siemens Ag Papiermaschine mit einer oder mehreren Ventilvorrichtungen
DE102008019488A1 (de) * 2008-04-17 2009-10-22 Behr Gmbh & Co. Kg Fluiddruckpulsationsdämpfungsvorrichtung
US9829139B2 (en) 2015-02-19 2017-11-28 Robert Bosch Gmbh Method of dampening pressure pulsations in a working fluid within a conduit
EP3308132A4 (en) * 2015-06-12 2019-02-20 Provtagaren AB PULSE SUPPRESSION FOR FLOW MEASUREMENTS
DE102020205139A1 (de) * 2020-04-23 2021-10-28 Zf Friedrichshafen Ag Adaptive Reibungsminimierung für elektrohydraulische Aktoren

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512014A (en) * 1974-06-21 1978-05-24 Univ Leeds Ind Service Ltd Method of attenuating longitudinal compression waves travelling in a gas filled duct
US4030971A (en) * 1974-12-13 1977-06-21 Beloit Corporation System compensating for pressure fluctuations in a paper machine headbox
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
IT1190988B (it) * 1982-09-07 1988-02-24 Mondadori Editore Spa Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta
DE3523385A1 (de) * 1985-06-29 1987-01-08 Voith Gmbh J M Einrichtung zur schwingungsdaempfung
DE3541201A1 (de) * 1985-11-21 1987-05-27 Voith Gmbh J M Einrichtung zur schwingungsdaempfung
US4750523A (en) * 1987-10-30 1988-06-14 Beloit Corporation Active attenuator and method
FI79365C (sv) * 1988-03-28 1989-12-11 Ahlstroem Valmet Aktivdämpare för dämpning av tryckvibrationer i inloppslådan och massa rörsystemet i pappers- och kartongmaskiner.
JPH01283498A (ja) * 1988-05-06 1989-11-15 Ishikawajima Harima Heavy Ind Co Ltd 抄紙機配管系等の圧力脈動抑制装置
JPH05180390A (ja) * 1991-12-27 1993-07-20 Taisei Corp 管路の能動型振動制御装置

Also Published As

Publication number Publication date
CA2137646A1 (en) 1995-06-18
JPH07198087A (ja) 1995-08-01
DE4441217C2 (de) 1998-09-10
DE4441217A1 (de) 1995-06-29
FI945905A (sv) 1995-06-18
US5785815A (en) 1998-07-28

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Legal Events

Date Code Title Description
FD Application lapsed