ATE166709T1 - Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen - Google Patents

Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen

Info

Publication number
ATE166709T1
ATE166709T1 AT94912124T AT94912124T ATE166709T1 AT E166709 T1 ATE166709 T1 AT E166709T1 AT 94912124 T AT94912124 T AT 94912124T AT 94912124 T AT94912124 T AT 94912124T AT E166709 T1 ATE166709 T1 AT E166709T1
Authority
AT
Austria
Prior art keywords
diaphragm
pct
fluid
sec
frequencies
Prior art date
Application number
AT94912124T
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 ATE166709T1 publication Critical patent/ATE166709T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24Investigating 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
    • G01M3/243Investigating 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)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Near-Field Transmission Systems (AREA)
  • Measuring Volume Flow (AREA)
  • Pipeline Systems (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
AT94912124T 1993-03-29 1994-03-29 Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen ATE166709T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301020A SE506195C2 (sv) 1993-03-29 1993-03-29 Hydrofonsystem för övervakning av ledningsnät

Publications (1)

Publication Number Publication Date
ATE166709T1 true ATE166709T1 (de) 1998-06-15

Family

ID=20389381

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94912124T ATE166709T1 (de) 1993-03-29 1994-03-29 Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen

Country Status (11)

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

Families Citing this family (20)

* 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
MX348843B (es) 2010-06-16 2017-06-26 Mueller Int Llc * Dispositivos, sistemas y métodos de monitoreo de infraestructura.
US9772250B2 (en) * 2011-08-12 2017-09-26 Mueller International, Llc Leak detector and sensor
AU2013318975B2 (en) * 2012-09-24 2017-02-02 Sekisui Chemical Co., Ltd. Leakage detector, leakage detection method, and pipe network monitoring apparatus
US9939344B2 (en) 2012-10-26 2018-04-10 Mueller International, 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
US10283857B2 (en) 2016-02-12 2019-05-07 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10305178B2 (en) 2016-02-12 2019-05-28 Mueller International, Llc Nozzle cap multi-band antenna assembly
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
CA3102778A1 (en) 2018-06-08 2019-12-12 Orbis Intelligent Systems, Inc. Pipe sensors
US11698314B2 (en) 2018-06-08 2023-07-11 Orbis Intelligent Systems, Inc. Detection device for a fluid conduit or fluid dispensing device
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

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE506195C2 (sv) 1997-11-17
NO304758B1 (no) 1999-02-08
JP3295087B2 (ja) 2002-06-24
DE69410607D1 (de) 1998-07-02
SE9301020D0 (sv) 1993-03-29
CA2159362C (en) 2005-08-02
AU6440094A (en) 1994-10-24
NO953800L (no) 1995-09-26
WO1994023242A1 (en) 1994-10-13
NO953800D0 (no) 1995-09-26
SE9301020L (sv) 1994-09-30
DE69410607T2 (de) 1999-01-07
CA2159362A1 (en) 1994-10-13
DK0694145T3 (da) 1999-03-22
EP0694145B1 (de) 1998-05-27
EP0694145A1 (de) 1996-01-31
JPH08508808A (ja) 1996-09-17
US5639958A (en) 1997-06-17

Similar Documents

Publication Publication Date Title
ATE166709T1 (de) Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen
ES2163005T3 (es) Aparato y eco para cancelar ecos acusticos incluyendo distorsiones no lineales en telefonos con altavoz.
AU2001226605A1 (en) Pc multimedia-based leak detection system for water transmission and distribution pipes
ATE283444T1 (de) Einbringen von ausrüstung in flüssigkeitsbehälter-und leitungen
JP2004158961A (ja) ヘッドホン装置
DE69615056D1 (de) Mikromechanisches mikrofon
EA199800264A1 (ru) Доска объявлений с встроенными громкоговорителями
DE59108406D1 (de) Vorrichtung zur verbesserung der basswiedergabe bei lautsprechersystemen mit geschlossenen gehäusen
PT959833E (pt) Dispositivo proprio para afectar o sistema hidrodinamico do ouvido interno
PT1147326E (pt) Metodo e dispositivo para reduzir ou evitar o desenvolvimento de ruido de travoes de atrito e embraiagens de atrito
ATE225520T1 (de) Niederfrequente unterwasserschallquelle
KR101607808B1 (ko) 실내 음향 유출 방지장치
KR20150072032A (ko) 실내 음향 유출 방지장치
KR830002886B1 (ko) 보디폰(Body Phone)
IT1250040B (it) Apparato portatile per l'auscultazione di suoni.
GB190919911A (en) Improvements in or relating to Apparatus for Detecting Sound Vibrations in Non-gaseous Media.
KR920011826A (ko) 경음기의 고주파 감쇄장치
ES2023309A6 (es) Aparato de deteccion de intrusos por infrasonidos.
SE9702904L (sv) Förfarande och anordning för fluidumtillförsel

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee