CA1299271C - Active attenuator and method - Google Patents

Active attenuator and method

Info

Publication number
CA1299271C
CA1299271C CA000576656A CA576656A CA1299271C CA 1299271 C CA1299271 C CA 1299271C CA 000576656 A CA000576656 A CA 000576656A CA 576656 A CA576656 A CA 576656A CA 1299271 C CA1299271 C CA 1299271C
Authority
CA
Canada
Prior art keywords
pressure
pulsations
signals
attenuator
pulses
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA000576656A
Other languages
English (en)
French (fr)
Inventor
Jere W. Crouse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Mitsubishi Heavy Industries Ltd
Original Assignee
Beloit Corp
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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of CA1299271C publication Critical patent/CA1299271C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators
    • G10K2210/32272—Helmholtz resonators
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Paper (AREA)
  • Measuring Fluid Pressure (AREA)
CA000576656A 1987-10-30 1988-09-07 Active attenuator and method Expired - Lifetime CA1299271C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US114,334 1987-10-30
US07/114,334 US4750523A (en) 1987-10-30 1987-10-30 Active attenuator and method

Publications (1)

Publication Number Publication Date
CA1299271C true CA1299271C (en) 1992-04-21

Family

ID=22354623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000576656A Expired - Lifetime CA1299271C (en) 1987-10-30 1988-09-07 Active attenuator and method

Country Status (3)

Country Link
US (1) US4750523A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH01145496A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1299271C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135079A (en) * 1990-02-28 1992-08-04 Kabushiki Kaisha Toshiba Noise prevention apparatus for a cable winch elevator
DE4318553C2 (de) * 1993-06-04 1995-05-18 Daimler Benz Ag Adaptiver hydropneumatischer Pulsationsdämpfer
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
US5732740A (en) * 1995-05-16 1998-03-31 Otis Elevator Company Smart accumulator to attenuate pulses in a hydraulic elevator
US5526690A (en) * 1995-05-17 1996-06-18 The United States Of America As Represented By The Secretary Of The Navy Circumferential actuator for piping system
US5884650A (en) * 1997-02-26 1999-03-23 The United States Of America As Represented By The Secretary Of The Navy Suppressing cavitation in a hydraulic component
DE10202248A1 (de) * 2002-01-21 2003-07-31 Buehler Ag System zur Beeinflussung der rheologischen Eigenschaften eines förderbaren Materials
AT411386B (de) * 2002-03-15 2003-12-29 Sauer Klaus Verfahren und einrichtung zum dämpfen von druckstössen von in einer flüssigkeitsleitung strömenden flüssigkeiten
US20040184890A1 (en) * 2003-03-19 2004-09-23 Shin-Tong Wu Fluid transport system with vibrators
DE10316946A1 (de) * 2003-04-12 2004-10-21 Daimlerchrysler Ag Vorrichtung und Verfahren zur Dämpfung von Druckschwingungen in Hydraulikleitungen
GB0518637D0 (en) 2005-09-13 2005-10-19 Itw Ltd Back pressure regulator
US7828527B2 (en) * 2005-09-13 2010-11-09 Illinois Tool Works Inc. Paint circulating system and method
DE102005058547B4 (de) * 2005-12-08 2012-04-12 Airbus Operations Gmbh Einrichtung zur Verminderung von Hydrofluidschwingungen in einem Hydrauliksystem
GB201108917D0 (en) * 2011-05-27 2011-07-13 Rolls Royce Plc A Hydraulic damping apparatus
DE102012109206B4 (de) * 2011-11-30 2019-05-02 Hanon Systems Ventil-Sensor-Anordnung
RU2531483C1 (ru) * 2013-07-31 2014-10-20 Общество с ограниченной ответственностью "ТехПромАрма" Способ самогашения ударных импульсов транспортируемой среды в магистральном продуктопроводе
DE102014213182A1 (de) * 2013-09-13 2015-03-19 Ford Global Technologies, Llc Verfahren zum Steuern der Kraftstoffeinspritzung sowie Kraftstoffeinspritzsystem
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
DE102018200083A1 (de) * 2018-01-04 2019-07-04 Continental Automotive Gmbh Kraftstoffhochdruckpumpe
CN108869944B (zh) * 2018-09-13 2020-05-19 中国核动力研究设计院 一种管道振动线谱的有源控制布置方法及控制系统
IT201900010680A1 (it) * 2019-07-02 2021-01-02 Bosch Gmbh Robert Gruppo di pompaggio per alimentare combustibile ad un motore a combustione interna con smorzamento attivo di onde di pressione
DE102020205139A1 (de) * 2020-04-23 2021-10-28 Zf Friedrichshafen Ag Adaptive Reibungsminimierung für elektrohydraulische Aktoren
DE102020209681A1 (de) * 2020-07-31 2022-02-03 Universität Rostock, Körperschaft des öffentlichen Rechts Vorrichtung und Verfahren zur aktiven Reduktion von Druckfluktuationen in einem hydrodynamischen System
CN115264221B (zh) * 2021-04-30 2025-04-11 中核核电运行管理有限公司 一种管道振动的主动监测系统与半主动控制方法
CN114857400B (zh) * 2022-05-05 2023-12-19 哈尔滨石油学院 缓冲集液器

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983720A (en) * 1956-04-09 1961-05-09 Exxon Research Engineering Co Polymerization of butene-1 with catalyst of titanium tetrachloride, aluminum triethyl, and diethyl aluminum chloride
US3500826A (en) * 1965-03-01 1970-03-17 Westland Aircraft Ltd Automatic fluid supply control apparatus
US3415118A (en) * 1966-05-12 1968-12-10 Whittaker Corp Fluid gauging system
DE1798080C2 (de) * 1968-08-19 1974-05-16 Pierburg Luftfahrtgeraete Union Gmbh, 4040 Neuss Elektronisch gesteuertes Durchflußmeß- und Dosiergerät
US3650891A (en) * 1969-04-07 1972-03-21 Measurex Corp System for maintaining constant the dry material flow to a sheet material manufacturing machine
US3882723A (en) * 1970-10-26 1975-05-13 Westinghouse Brake & Signal Fluid pressure apparatus
US4030971A (en) * 1974-12-13 1977-06-21 Beloit Corporation System compensating for pressure fluctuations in a paper machine headbox
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
US4122303A (en) * 1976-12-10 1978-10-24 Sound Attenuators Limited Improvements in and relating to active sound attenuation
GB1585098A (en) * 1977-07-21 1981-02-25 South Western Ind Res Liquid flow metering apparatus
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
WO1981000638A1 (en) * 1979-08-16 1981-03-05 Sound Attenuators Ltd A method of reducing the adaption time in the cancellation of repetitive vibration
WO1981001480A1 (en) * 1979-11-21 1981-05-28 Sound Attenuators Ltd Improved method and apparatus for cancelling vibration
US4285245A (en) * 1979-12-06 1981-08-25 Precision Machine Products, Inc. Method and apparatus for measuring and controlling volumetric flow rate of gases in a line
US4308095A (en) * 1980-07-18 1981-12-29 Beloit Corporation Extended low frequency range pulsation attenuator
US4480333A (en) * 1981-04-15 1984-10-30 National Research Development Corporation Method and apparatus for active sound control
ZA825676B (en) * 1981-08-11 1983-06-29 Sound Attenuators Ltd Method and apparatus for low frequency active attennuation
US4490841A (en) * 1981-10-21 1984-12-25 Sound Attenuators Limited Method and apparatus for cancelling vibrations
ZA828700B (en) * 1981-11-26 1983-09-28 Sound Attenuators Ltd Method of and apparatus for cancelling vibrations from a source of repetitive vibrations
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

Also Published As

Publication number Publication date
JPH0351955B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-08-08
JPH01145496A (ja) 1989-06-07
US4750523A (en) 1988-06-14

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