DE3045660C2 - - Google Patents

Info

Publication number
DE3045660C2
DE3045660C2 DE19803045660 DE3045660A DE3045660C2 DE 3045660 C2 DE3045660 C2 DE 3045660C2 DE 19803045660 DE19803045660 DE 19803045660 DE 3045660 A DE3045660 A DE 3045660A DE 3045660 C2 DE3045660 C2 DE 3045660C2
Authority
DE
Grant status
Grant
Patent type
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
Application number
DE19803045660
Other versions
DE3045660A1 (de )
Inventor
Helmut V. Dr.-Ing. 7035 Waldenbuch De Fuchs
Gerold Dipl.-Ing. Schupp
Carl-Alexander 7000 Stuttgart De Voigtsberger
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung
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
Grant date
Family has litigation

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves for welds
    • G01M3/2807Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves for welds for pipes
DE19803045660 1980-12-04 1980-12-04 Expired DE3045660C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803045660 DE3045660C2 (de) 1980-12-04 1980-12-04

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19803045660 DE3045660C2 (de) 1980-12-04 1980-12-04
DE19813176557 DE3176557D1 (de) 1980-12-04 1981-10-30 Method and devices for locating leaks in canalizations
EP19810109264 EP0053721B1 (de) 1980-12-04 1981-10-30 Verfahren und Einrichtungen zum Orten von Leckstellen in Rohrleitungen
US06323298 US4435974A (en) 1980-12-04 1981-11-20 Method and apparatus for locating leakages in pipes and similar conduits

Publications (2)

Publication Number Publication Date
DE3045660A1 true DE3045660A1 (de) 1982-06-09
DE3045660C2 true DE3045660C2 (de) 1982-10-14

Family

ID=6118253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803045660 Expired DE3045660C2 (de) 1980-12-04 1980-12-04

Country Status (3)

Country Link
US (1) US4435974A (de)
EP (1) EP0053721B1 (de)
DE (1) DE3045660C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19528287C5 (de) * 1995-08-02 2009-09-24 Ingenieurgesellschaft F.A.S.T. für angewandte Sensortechnik mit beschränkter Haftung Verfahren zur Erkennung eines Lecks in einem Trinkwasser-Versorgungsnetz und Anordnung zur Durchführung des Verfahrens

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607913C1 (en) * 1986-03-10 1987-08-13 Fraunhofer Ges Forschung Method for locating leaks in pipelines
WO1987007949A1 (en) * 1986-06-18 1987-12-30 Stiftelsen For Industriell Og Teknisk Forskning Ve Detection system for subsea installations, particularly pipelines
US4697456A (en) * 1986-10-02 1987-10-06 Maser Kenneth R Leakage test for liquid containment
US5205173A (en) * 1991-06-21 1993-04-27 Palmer Environmental Services Method and apparatus for detecting leaks in pipelines using cross-correlation techniques
CA2079928C (en) * 1991-10-07 1996-02-27 Tom G. Bogle Method of confirming the presence of a leak in a liquid storage tank
DE69305190D1 (de) * 1992-01-16 1996-11-14 Toshiba Kawasaki Kk Verfahren und Vorrichtung zur Positionserkennung einer anormalen Stelle einer erdverlegten Rohrleitung
WO1994023242A1 (en) * 1993-03-29 1994-10-13 Ingenjörsfirma Ultrac Ab A device and a method for localizing leakages in conduit networks
US5349568A (en) * 1993-09-27 1994-09-20 The University Of Chicago Leak locating microphone, method and system for locating fluid leaks in pipes
US5548530A (en) * 1995-04-24 1996-08-20 Baumoel; Joseph High-precision leak detector and locator
US6128946A (en) * 1997-06-26 2000-10-10 Crane Nuclear, Inc. Method and apparatus for on-line detection of leaky emergency shut down or other valves
EP1052492B2 (de) * 1999-05-10 2010-03-10 vonRoll infratec (investment) ag Leckdetektoranordnung und -System
US8017858B2 (en) * 2004-12-30 2011-09-13 Steve Mann Acoustic, hyperacoustic, or electrically amplified hydraulophones or multimedia interfaces
US20070068225A1 (en) * 2005-09-29 2007-03-29 Brown Gregory C Leak detector for process valve
US8705636B2 (en) * 2009-06-04 2014-04-22 Telefonaktiebolaget L M Ericsson (Publ) Passive single-ended line test
JP2016061763A (ja) * 2014-09-22 2016-04-25 雄 尾▲崎▼ 水道管の漏水箇所検知方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065678B (de) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19528287C5 (de) * 1995-08-02 2009-09-24 Ingenieurgesellschaft F.A.S.T. für angewandte Sensortechnik mit beschränkter Haftung Verfahren zur Erkennung eines Lecks in einem Trinkwasser-Versorgungsnetz und Anordnung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date Type
EP0053721A2 (de) 1982-06-16 application
EP0053721B1 (de) 1987-12-02 grant
EP0053721A3 (en) 1984-05-30 application
DE3045660A1 (de) 1982-06-09 application
US4435974A (en) 1984-03-13 grant

Similar Documents

Publication Publication Date Title
DE3001563C2 (de)
DE3000532C2 (de)
DE3003049C2 (de)
DE3002773C2 (de)
DE3001652C2 (de)
DE3001744C2 (de)
DE3000352C2 (de)
DE3001907C2 (de)
DE3000288C2 (de)
DE3001436C2 (de)
DE3001565C2 (de)
DE3000852C2 (de)
DE3000305C2 (de)
DE3003315C2 (de)
DE3000155C2 (de)
DE3002482C2 (de)
DE3002229C2 (de)
DE3001626C2 (de)
DE3002209C2 (de)
DE3002216C2 (de)
DE3001468C2 (de)
DE3002101C2 (de)
DE3000995C2 (de)
DE3000027C2 (de)
DE3001151C2 (de)

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8330 Complete disclaimer