NO953800L - Anordning og en framgangsmåte for lokalisering av lekkasjer i ledningsnett - Google Patents

Anordning og en framgangsmåte for lokalisering av lekkasjer i ledningsnett

Info

Publication number: NO953800L
Authority: NO; Norway
Prior art keywords: diaphragm; pct; fluid; sec; frequencies
Prior art date: 1993-03-29

Application number

NO953800A

Other languages

English (en)

Other versions

NO953800D0 (no

NO304758B1 (no

Inventor

Gosta 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.)

1993-03-29

Filing date

1995-09-26

Publication date

1995-09-26

1995-09-26 Application filed by Ultrac Ingf Ab filed Critical Ultrac Ingf Ab

1995-09-26 Publication of NO953800L publication Critical patent/NO953800L/no

1995-09-26 Publication of NO953800D0 publication Critical patent/NO953800D0/no

1999-02-08 Publication of NO304758B1 publication Critical patent/NO304758B1/no

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)
Monitoring And Testing Of Transmission In General (AREA)
Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Near-Field Transmission Systems (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Pipe Accessories (AREA)

NO952592A 1993-03-29 1995-09-26 Anordning og en framgangsmÕte for lokalisering av lekkasjer i ledningsnett NO304758B1 (no)

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 (3)

Publication Number	Publication Date
NO953800L true NO953800L (no)	1995-09-26
NO953800D0 NO953800D0 (no)	1995-09-26
NO304758B1 NO304758B1 (no)	1999-02-08

Family

ID=20389381

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO952592A NO304758B1 (no)	1993-03-29	1995-09-26	Anordning og en framgangsmÕte for lokalisering av lekkasjer i ledningsnett

Country Status (11)

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

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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
JP5654124B2 (ja)	2010-06-16	2015-01-14	ミューラーインターナショナルエルエルシーＭｕｅｌｌｅｒＩｎｔｅｒｎａｔｉｏｎａｌ，Ｌｌｃ	インフラ監視装置、システム、および方法
US9772250B2 (en)	2011-08-12	2017-09-26	Mueller International, Llc	Leak detector and sensor
SG11201502179QA (en)	2012-09-24	2015-05-28	Sekisui Chemical Co Ltd	Leakage detector, leakage detection method, and pipe network monitoring apparatus
AU2013334158B2 (en)	2012-10-26	2017-12-14	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
US12152954B2 (en)	2018-06-08	2024-11-26	Orbis Intelligent Systems, Inc.	Detection device for a fluid conduit or fluid dispensing device
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
AU2019280858B2 (en)	2018-06-08	2025-02-13	Orbis Intelligent Systems, Inc.	Pipe sensors
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

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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

1993
- 1993-03-29 SE SE9301020A patent/SE506195C2/sv not_active IP Right Cessation
1994
- 1994-03-29 JP JP52143994A patent/JP3295087B2/ja not_active Expired - Fee Related
- 1994-03-29 AT AT94912124T patent/ATE166709T1/de not_active IP Right Cessation
- 1994-03-29 DK DK94912124T patent/DK0694145T3/da active
- 1994-03-29 AU AU64400/94A patent/AU6440094A/en not_active Abandoned
- 1994-03-29 WO PCT/SE1994/000283 patent/WO1994023242A1/en not_active Ceased
- 1994-03-29 DE DE69410607T patent/DE69410607T2/de not_active Expired - Fee Related
- 1994-03-29 EP EP94912124A patent/EP0694145B1/en not_active Expired - Lifetime
- 1994-03-29 US US08/530,207 patent/US5639958A/en not_active Expired - Lifetime
- 1994-03-29 CA CA002159362A patent/CA2159362C/en not_active Expired - Fee Related
1995
- 1995-09-26 NO NO952592A patent/NO304758B1/no unknown

Also Published As

Publication number	Publication date
CA2159362A1 (en)	1994-10-13
EP0694145A1 (en)	1996-01-31
DE69410607T2 (de)	1999-01-07
DE69410607D1 (de)	1998-07-02
SE9301020D0 (sv)	1993-03-29
DK0694145T3 (da)	1999-03-22
US5639958A (en)	1997-06-17
JPH08508808A (ja)	1996-09-17
CA2159362C (en)	2005-08-02
ATE166709T1 (de)	1998-06-15
AU6440094A (en)	1994-10-24
WO1994023242A1 (en)	1994-10-13
JP3295087B2 (ja)	2002-06-24
NO953800D0 (no)	1995-09-26
NO304758B1 (no)	1999-02-08
SE506195C2 (sv)	1997-11-17
SE9301020L (sv)	1994-09-30
EP0694145B1 (en)	1998-05-27

Publication	Publication Date	Title
NO304758B1 (no)	1999-02-08	Anordning og en framgangsmÕte for lokalisering av lekkasjer i ledningsnett
ES2163005T3 (es)	2002-01-16	Aparato y eco para cancelar ecos acusticos incluyendo distorsiones no lineales en telefonos con altavoz.
AU2001226605A1 (en)	2001-07-24	Pc multimedia-based leak detection system for water transmission and distribution pipes
DE69615056D1 (de)	2001-10-11	Mikromechanisches mikrofon
ATE223137T1 (de)	2002-09-15	Akustische vorrichtung mit biegewellenmoden
NO922911L (no)	1994-01-24	Fremgangsmaate og anordning til aktiv stoeydemping i et lokalt omraa de
PT959833E (pt)	2002-04-29	Dispositivo proprio para afectar o sistema hidrodinamico do ouvido interno
ES2070486T3 (es)	1995-06-01	Filtro de reflector de ondas superficiales.
ATE190452T1 (de)	2000-03-15	Verfahren zum abhören von umgebungsgeräuschen und funkgerät dafür
DK0864107T3 (da)	2003-01-13	Lavfrekvent undervandslydkilde
KR830002886B1 (ko)	1983-12-29	보디폰(Body Phone)
WO1994022403A1 (en)	1994-10-13	Non-integral active muffler
JPH05103731A (ja)	1993-04-27	スピーカ付き浴槽
ATE523041T1 (de)	2011-09-15	Harmonischer verstärker und entsprechender elektroakustischer wandler
DE60006796D1 (de)	2004-01-08	Alarmsirene
ES2023309A6 (es)	1992-01-01	Aparato de deteccion de intrusos por infrasonidos.
UA6759A (uk)	1994-12-29	Пристрій для вібромасажу органів дихання