CH486017A - Verfahren zum Untersuchen einer Rohrleitung auf das Vorhandensein von undichten Stellen - Google Patents
Verfahren zum Untersuchen einer Rohrleitung auf das Vorhandensein von undichten StellenInfo
- Publication number
- CH486017A CH486017A CH977567A CH977567A CH486017A CH 486017 A CH486017 A CH 486017A CH 977567 A CH977567 A CH 977567A CH 977567 A CH977567 A CH 977567A CH 486017 A CH486017 A CH 486017A
- Authority
- CH
- Switzerland
- Prior art keywords
- inspecting
- leaks
- pipeline
- procedure
- Prior art date
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
- G01M3/005—Investigating fluid-tightness of structures using pigs or moles
-
- 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
- G01M3/246—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 using pigs or probes travelling in the pipe
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
-
- 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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6609733A NL6609733A (de) | 1966-07-12 | 1966-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH486017A true CH486017A (de) | 1970-02-15 |
Family
ID=19797154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH977567A CH486017A (de) | 1966-07-12 | 1967-07-10 | Verfahren zum Untersuchen einer Rohrleitung auf das Vorhandensein von undichten Stellen |
Country Status (7)
Country | Link |
---|---|
US (1) | US3462240A (de) |
AT (1) | AT290167B (de) |
BE (1) | BE706334A (de) |
CH (1) | CH486017A (de) |
DE (1) | DE1650173A1 (de) |
GB (1) | GB1149284A (de) |
NL (1) | NL6609733A (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7702461A (nl) * | 1977-03-08 | 1978-09-12 | Shell Int Research | Inrichting voor het inspecteren van een pijpleiding op lekken. |
US4116043A (en) * | 1977-07-11 | 1978-09-26 | American Can Company | Electronic detection apparatus for leaks |
US4176543A (en) * | 1978-11-17 | 1979-12-04 | Texaco Inc. | Sonic leak detector and method |
NZ193066A (en) * | 1979-04-19 | 1986-07-11 | Bandag Inc | Ultrasonic tyre wall testing:repetitive signal bursts |
US4287581A (en) * | 1980-02-19 | 1981-09-01 | Neale Sr Dory J | Ultrasonic fluid leak detector |
US4387438A (en) * | 1980-11-12 | 1983-06-07 | The United States Of America As Represented By The Secretary Of The Interior | Continuous transducer drift compensator |
US5089997A (en) * | 1990-11-02 | 1992-02-18 | Pasar, Inc. | Ultrasonic energy detector with frequency and amplitude indications and background noise reduction |
AT405335B (de) * | 1993-12-30 | 1999-07-26 | Oemv Ag | Vorrichtung und verfahren zur bestimmung von fehlstellen einer rohrleitung für fluide |
WO1995025264A1 (en) * | 1994-03-15 | 1995-09-21 | Energy And Environmental Technologies Corp. | Apparatus and method for detecting ultrasonic waves propagated from within a selected distance |
GB9920508D0 (en) * | 1999-09-01 | 1999-11-03 | Metrika Limited | Detecting leaks in water distribution systems |
US20020073768A1 (en) * | 2000-09-01 | 2002-06-20 | Joynes George Malcolm Swift | Fluid flow sensors & leak detection systems |
DE10127411C1 (de) * | 2001-06-06 | 2002-10-24 | Nolte Kuehlhaus Trocken U Mont | Rammschutzvorrichtung |
US6725705B1 (en) * | 2003-05-15 | 2004-04-27 | Gas Technology Institute | Enhanced acoustic detection of gas leaks in underground gas pipelines |
GB0715494D0 (en) * | 2007-08-10 | 2007-09-19 | Cell Ltd G | Monitoring system and method |
EP2635771A1 (de) * | 2010-08-24 | 2013-09-11 | Stanley Hale | Leckdetektion und frühwarnsystem für verschlossene oder aufgelassene unterwasserbohrlöcher |
US9804053B2 (en) | 2012-09-28 | 2017-10-31 | Nec Corporation | Defect analysis device, defect analysis method, and program |
US20180045687A1 (en) * | 2015-03-24 | 2018-02-15 | Nec Corporation | Defect analysis device, defect analysis system, defect analysis method, and computer readable recording medium |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126449A (en) * | 1964-03-24 | Shirman | ||
US2996613A (en) * | 1956-03-06 | 1961-08-15 | Itt | Detector circuit |
US2884624A (en) * | 1956-06-28 | 1959-04-28 | Gulf Research Development Co | Pipeline surveying |
US3112452A (en) * | 1959-12-28 | 1963-11-26 | Gen Electric | Signal processing arrangement with filters in plural channels minimizing undesirableinterference to narrow and wide pass bands |
US3076939A (en) * | 1960-09-06 | 1963-02-05 | Keith H Wycoff | Tone control circuits |
BE610313A (de) * | 1960-11-14 | |||
US3268824A (en) * | 1963-04-15 | 1966-08-23 | Beckman Instruments Inc | Pulse code modulation reception system |
-
1966
- 1966-07-12 NL NL6609733A patent/NL6609733A/xx unknown
-
1967
- 1967-06-22 US US648156A patent/US3462240A/en not_active Expired - Lifetime
- 1967-07-10 GB GB31707/67A patent/GB1149284A/en not_active Expired
- 1967-07-10 DE DE19671650173 patent/DE1650173A1/de active Pending
- 1967-07-10 AT AT644167A patent/AT290167B/de not_active IP Right Cessation
- 1967-07-10 CH CH977567A patent/CH486017A/de not_active IP Right Cessation
- 1967-11-10 BE BE706334D patent/BE706334A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AT290167B (de) | 1971-05-25 |
NL6609733A (de) | 1968-01-15 |
GB1149284A (en) | 1969-04-23 |
DE1650173A1 (de) | 1970-09-10 |
US3462240A (en) | 1969-08-19 |
BE706334A (de) | 1968-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |