DK0694145T3 - Anordning og fremgangsmåde til lokalisering af lækager i rørledningsnetværk - Google Patents

Anordning og fremgangsmåde til lokalisering af lækager i rørledningsnetværk

Info

Publication number
DK0694145T3
DK0694145T3 DK94912124T DK94912124T DK0694145T3 DK 0694145 T3 DK0694145 T3 DK 0694145T3 DK 94912124 T DK94912124 T DK 94912124T DK 94912124 T DK94912124 T DK 94912124T DK 0694145 T3 DK0694145 T3 DK 0694145T3
Authority
DK
Denmark
Prior art keywords
diaphragm
pct
fluid
sec
frequencies
Prior art date
Application number
DK94912124T
Other languages
English (en)
Inventor
Goesta Lange
Original Assignee
Ultrac Ingf Ab
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 Ultrac Ingf Ab filed Critical Ultrac Ingf Ab
Application granted granted Critical
Publication of DK0694145T3 publication Critical patent/DK0694145T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Measuring Volume Flow (AREA)
  • Pipeline Systems (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Near-Field Transmission Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
DK94912124T 1993-03-29 1994-03-29 Anordning og fremgangsmåde til lokalisering af lækager i rørledningsnetværk DK0694145T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301020A SE506195C2 (sv) 1993-03-29 1993-03-29 Hydrofonsystem för övervakning av ledningsnät
PCT/SE1994/000283 WO1994023242A1 (en) 1993-03-29 1994-03-29 A device and a method for localizing leakages in conduit networks

Publications (1)

Publication Number Publication Date
DK0694145T3 true DK0694145T3 (da) 1999-03-22

Family

ID=20389381

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94912124T DK0694145T3 (da) 1993-03-29 1994-03-29 Anordning og fremgangsmåde til lokalisering af lækager i rørledningsnetværk

Country Status (11)

Country Link
US (1) US5639958A (da)
EP (1) EP0694145B1 (da)
JP (1) JP3295087B2 (da)
AT (1) ATE166709T1 (da)
AU (1) AU6440094A (da)
CA (1) CA2159362C (da)
DE (1) DE69410607T2 (da)
DK (1) DK0694145T3 (da)
NO (1) NO304758B1 (da)
SE (1) SE506195C2 (da)
WO (1) WO1994023242A1 (da)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337117B (en) 1998-05-04 2001-04-04 Csi Technology Inc Digital ultrasonic monitoring system and method
CH703142B1 (de) † 1999-05-10 2011-11-30 Vonroll Infratec Invest Ag Leckdetektorsystem.
DE102005048726B4 (de) * 2005-10-12 2010-09-16 Airbus Deutschland Gmbh Lecksucher
US7210337B1 (en) * 2005-10-17 2007-05-01 Honeywell International Inc. MEMS sensor package leak test
DE102008062291B3 (de) * 2008-12-15 2010-07-22 Abb Technology Ag Messeinrichtung und Verfahren zur Diagnose von Geräuschen in fluidischen Systemen
CA3116787C (en) 2010-06-16 2023-07-11 Mueller International, Llc Infrastructure monitoring devices, systems, and methods
US9291520B2 (en) 2011-08-12 2016-03-22 Mueller International, Llc Fire hydrant leak detector
CN105247335A (zh) 2012-09-24 2016-01-13 积水化学工业株式会社 泄露检测器、泄露检测方法及配管网的监视装置
MY175444A (en) 2012-10-26 2020-06-26 Mueller Int Llc Detecting leaks in a fluid distribution system
US9528903B2 (en) 2014-10-01 2016-12-27 Mueller International, Llc Piezoelectric vibration sensor for fluid leak detection
CN105889763B (zh) * 2014-10-10 2017-12-15 保定市金迪科技开发有限公司 一种管道泄漏的检测设备及其检测方法
US10305178B2 (en) 2016-02-12 2019-05-28 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10283857B2 (en) 2016-02-12 2019-05-07 Mueller International, Llc Nozzle cap multi-band antenna assembly
WO2019236897A1 (en) 2018-06-08 2019-12-12 Orbis Intelligent Systems, Inc. Pipe sensors
US12152954B2 (en) 2018-06-08 2024-11-26 Orbis Intelligent Systems, Inc. Detection device for a fluid conduit or fluid dispensing device
US12590824B2 (en) 2018-06-08 2026-03-31 Orbis Intelligent Systems, Inc. Monitoring sites of a fluid delivery infrastructure
US11698314B2 (en) 2018-06-08 2023-07-11 Orbis Intelligent Systems, Inc. Detection device for a fluid conduit or fluid dispensing device
US11733115B2 (en) 2018-06-08 2023-08-22 Orbis Intelligent Systems, Inc. Detection devices for determining one or more pipe conditions via at least one acoustic sensor and including connection features to connect with an insert
US10859462B2 (en) 2018-09-04 2020-12-08 Mueller International, Llc Hydrant cap leak detector with oriented sensor
US11342656B2 (en) 2018-12-28 2022-05-24 Mueller International, Llc Nozzle cap encapsulated antenna system
US11473993B2 (en) 2019-05-31 2022-10-18 Mueller International, Llc Hydrant nozzle cap
US11542690B2 (en) 2020-05-14 2023-01-03 Mueller International, Llc Hydrant nozzle cap adapter
CN115789530A (zh) * 2022-10-14 2023-03-14 中科汇能(苏州)电子科技有限公司 一种声波检测装置及管道检测系统
US12578245B2 (en) 2022-10-28 2026-03-17 Mueller International, Llc Self-leveling sensor assembly

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US2008934A (en) * 1933-04-11 1935-07-23 Alonzo L Smith Leak detector for pipe lines
US3596510A (en) * 1970-02-04 1971-08-03 Nasa Resonant infrasonic gauging apparatus
US4043180A (en) * 1975-12-10 1977-08-23 Texaco Inc. Gathering line leak detection system tester
JPS55131741A (en) * 1979-04-02 1980-10-13 Osaka Gas Co Ltd Method of detecting leakage of gas
US4309576A (en) * 1979-07-16 1982-01-05 Heath Consultants Incorporated Listening device for localizing underground water leakages
DE3045660C2 (de) * 1980-12-04 1982-10-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und Einrichtung zum Orten von Leckstellen in Rohrleitungen
JPS58168934A (ja) * 1982-03-31 1983-10-05 Hitachi Ltd 流体の漏洩検出方法とその装置
US4498333A (en) * 1983-06-01 1985-02-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Carbon granule probe microphone for leak detection
US4583406A (en) * 1984-05-30 1986-04-22 Mark Telephone Products, Inc. Signal processor
DE3609461A1 (de) * 1986-03-20 1987-09-24 Siemens Ag Elektroakustischer wandler
FR2603422B1 (fr) * 1986-08-27 1988-12-30 Inst Francais Du Petrole Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede
JPS6472025A (en) * 1987-09-14 1989-03-16 Nippon Atomic Ind Group Co Vapor leak monitoring device
US4785659A (en) * 1987-11-19 1988-11-22 Rose H Barry Fluid leak detector
JP2602955B2 (ja) * 1989-07-05 1997-04-23 株式会社東芝 弁および管のリーク原因判別方法およびその判別装置
US4960079A (en) * 1989-08-03 1990-10-02 Marziale Michael L Acoustic leak detection system
US5101774A (en) * 1989-08-03 1992-04-07 Westvaco Corporation Acoustic leak detection system
JPH03100430A (ja) * 1989-09-14 1991-04-25 Nippon Enjiniyaa Service Kk タンクの漏洩検査装置
JPH03189532A (ja) * 1989-12-20 1991-08-19 Hitachi Ltd 漏洩検出器
US5117676A (en) * 1991-02-25 1992-06-02 Hughes Aircraft Company Leak detector for natural gas pipelines
JP2533699B2 (ja) * 1991-06-25 1996-09-11 株式会社日立製作所 音響式の漏洩検出装置
US5361636A (en) * 1992-09-23 1994-11-08 Columbia Gas Of Ohio, Inc. Apparatus and process for measuring the magnitude of leaks
JP3223337B2 (ja) * 1993-03-25 2001-10-29 フジテコム株式会社 漏洩音検出装置

Also Published As

Publication number Publication date
CA2159362C (en) 2005-08-02
NO953800D0 (no) 1995-09-26
EP0694145B1 (en) 1998-05-27
US5639958A (en) 1997-06-17
SE9301020L (sv) 1994-09-30
CA2159362A1 (en) 1994-10-13
NO953800L (no) 1995-09-26
DE69410607D1 (de) 1998-07-02
SE9301020D0 (sv) 1993-03-29
EP0694145A1 (en) 1996-01-31
WO1994023242A1 (en) 1994-10-13
ATE166709T1 (de) 1998-06-15
NO304758B1 (no) 1999-02-08
JP3295087B2 (ja) 2002-06-24
DE69410607T2 (de) 1999-01-07
JPH08508808A (ja) 1996-09-17
AU6440094A (en) 1994-10-24
SE506195C2 (sv) 1997-11-17

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