SE7409603L - - Google Patents

Info

Publication number
SE7409603L
SE7409603L SE7409603A SE7409603A SE7409603L SE 7409603 L SE7409603 L SE 7409603L SE 7409603 A SE7409603 A SE 7409603A SE 7409603 A SE7409603 A SE 7409603A SE 7409603 L SE7409603 L SE 7409603L
Authority
SE
Sweden
Prior art keywords
line
pipe
conductor
leak
voltmeter
Prior art date
Application number
SE7409603A
Other languages
Unknown language ( )
English (en)
Other versions
SE397585B (sv
Inventor
B Brandes
Original Assignee
Kabel Metallwerke Ghh
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 Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of SE7409603L publication Critical patent/SE7409603L/
Publication of SE397585B publication Critical patent/SE397585B/xx

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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
SE7409603A 1973-07-26 1974-07-24 Kopplingsanordning for att konstatera forekomst av, legesbestemma och i forekommet fall indikera leckningsstellen pa rorledningsstreckor SE397585B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337983 DE2337983C2 (de) 1973-07-26 1973-07-26 Ortungs- und Überwachungsschaltung

Publications (2)

Publication Number Publication Date
SE7409603L true SE7409603L (enrdf_load_stackoverflow) 1975-01-27
SE397585B SE397585B (sv) 1977-11-07

Family

ID=5888050

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7409603A SE397585B (sv) 1973-07-26 1974-07-24 Kopplingsanordning for att konstatera forekomst av, legesbestemma och i forekommet fall indikera leckningsstellen pa rorledningsstreckor

Country Status (7)

Country Link
JP (1) JPS5072683A (enrdf_load_stackoverflow)
AT (1) AT351842B (enrdf_load_stackoverflow)
CH (1) CH572187A5 (enrdf_load_stackoverflow)
DE (1) DE2337983C2 (enrdf_load_stackoverflow)
FR (1) FR2257856B1 (enrdf_load_stackoverflow)
GB (1) GB1481850A (enrdf_load_stackoverflow)
SE (1) SE397585B (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015958A (en) 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
US5382909A (en) 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
EP0250776B1 (en) 1983-06-30 1992-06-10 RAYCHEM CORPORATION (a Delaware corporation) Method for detecting and obtaining information about changes in variables
SE456376B (sv) * 1983-12-08 1988-09-26 Helmersson Rune Larmanordning vid isolerat rorsystem
EP0160440A1 (en) * 1984-04-11 1985-11-06 RAYCHEM CORPORATION (a Delaware corporation) Apparatus for detecting and obtaining imformation about changes in variables
AU593526B2 (en) * 1984-06-07 1990-02-15 Raychem Corporation Event location using a locating member containing discrete impedances
DE3687819T2 (de) 1985-06-12 1993-06-09 Raychem Corp Kohlenwasserstoffsensor.
SE447682B (sv) * 1985-07-26 1986-12-01 Safe Bridge Ab Larmsystem med minst en signalledning for indikering av skada pa och/eller forsok till manipulation av ledningen
AT388430B (de) * 1987-05-06 1989-06-26 Scheuermann Herbert Dipl Ing Vorrichtung zur feststellung und ortung von leckstellen in einer ein feuchtes medium fuehrenden rohrleitung
DE3721205A1 (de) * 1987-06-26 1989-01-05 Pfaudler Werke Ag Verfahren zur feststellung eines schadens einer korrosionsschutzschicht und messeinrichtung zur durchfuehrung dieses verfahrens
DE3822123C1 (enrdf_load_stackoverflow) * 1988-06-30 1990-03-15 Bernd 2325 Grebin De Brandes
US4926129A (en) * 1988-10-12 1990-05-15 Raychem Corporation Sensor assembly for detecting multiple events and distinguishing between them
DE59004755D1 (de) * 1989-09-05 1994-04-07 Brandes Bernd Verfahren und Vorrichtung zur Ortung des wahren Ortes einer Leckstelle in einer ein feuchtes Medium führenden Rohrleitung.
DE19604821C1 (de) * 1996-02-10 1997-10-02 Michael Hesky Gmbh Vorrichtung zur Leckerfassung bei Rohrleitungen
DE102011113039A1 (de) * 2011-09-09 2013-03-14 Kurt Bruse Vorrichtung zum Erkennen von Leckagen an Leitungen von Undichtheiten in Wassersperren einer im Boden befindlichen Gebäudewand, sowie Schaltung zum Betreiben der Vorrichtung
CN106123109B (zh) * 2016-08-05 2022-02-15 倪晨钧 一种管道监测系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE579184C (de) * 1931-04-08 1933-06-22 Berthold Jenewein Dr Ing Feuchtigkeitsanzeigevorrichtung fuer Isolierungen
DE637703C (de) * 1934-03-07 1936-11-02 Ludwig Maurer Dipl Ing Einrichtung zur elektrischen Fernanzeige der metrischen Entfernung undichter Stellen in Rohrleitungen
DE1814857A1 (de) * 1968-09-05 1970-04-30 Siemens Ag Anordnung zur Signalisierung von Leckstellen in einer Rohrleitung zum Fluessigkeitstransport

Also Published As

Publication number Publication date
FR2257856A1 (enrdf_load_stackoverflow) 1975-08-08
FR2257856B1 (enrdf_load_stackoverflow) 1979-08-03
SE397585B (sv) 1977-11-07
DE2337983A1 (de) 1975-02-06
ATA612874A (de) 1979-01-15
CH572187A5 (enrdf_load_stackoverflow) 1976-01-30
JPS5072683A (enrdf_load_stackoverflow) 1975-06-16
AT351842B (de) 1979-08-10
DE2337983C2 (de) 1984-03-22
GB1481850A (en) 1977-08-03

Similar Documents

Publication Publication Date Title
SE7409603L (enrdf_load_stackoverflow)
GB1390837A (en) Temperature-data acquisition systems
ES449080A1 (es) Perfeccionamientos introducidos en un aparato para percibir la presencia de un articulo por medio de una corriente elec-trica inducida por acoplamiento capacitivo entre el articuloy el perceptor.
GB1469382A (en) Critical liquid-level warning circuit
GB1357573A (en) Corrosion rate meter
GB974197A (en) Improvements in electro-chemical integrator
US4118981A (en) Flowmeter
GB1252433A (enrdf_load_stackoverflow)
US2502775A (en) Method of testing well tubing
GB1383062A (en) Corrosion ratemeter
US3795146A (en) Reference signal differentiating capacitive fluid level gauge
GB1345712A (en) Device and method for measuring earth resistance
GB1456646A (en) Measuring-transducer circuits
ES455270A1 (es) Perfeccionamientos introducidos en un dispositivo para com- probar la conductividad continua de un circuito electrico.
GB1524024A (en) Liquid-level indicators
GB936045A (en) Improvements in or relating to apparatus for measuring or responsive to the conductivity of a material
US3479869A (en) Air pollution measuring system
GB1169711A (en) Improvements relating to the Measurement of Resistivity
US3105155A (en) Magnetic comparator
GB1351245A (en) Resistance measuring system
US3603876A (en) High speed rate indicator having improved metering circuit
SE336976B (enrdf_load_stackoverflow)
GB1466846A (en) Sensitive deep-well-drilling hook load measuring system
SU136893A1 (ru) Прибор дл непрерывного автоматического контрол качества очистки поверхности металлической полосы
GB1429180A (en) Alarm circuits

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7409603-3

Effective date: 19920210

Format of ref document f/p: F