JPS5072683A - - Google Patents

Info

Publication number
JPS5072683A
JPS5072683A JP8591674A JP8591674A JPS5072683A JP S5072683 A JPS5072683 A JP S5072683A JP 8591674 A JP8591674 A JP 8591674A JP 8591674 A JP8591674 A JP 8591674A JP S5072683 A JPS5072683 A JP S5072683A
Authority
JP
Japan
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.)
Pending
Application number
JP8591674A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5072683A publication Critical patent/JPS5072683A/ja
Pending legal-status Critical Current

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)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Pipeline Systems (AREA)
JP8591674A 1973-07-26 1974-07-26 Pending JPS5072683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337983 DE2337983C2 (en) 1973-07-26 1973-07-26 Location and monitoring circuit

Publications (1)

Publication Number Publication Date
JPS5072683A true JPS5072683A (en) 1975-06-16

Family

ID=5888050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8591674A Pending JPS5072683A (en) 1973-07-26 1974-07-26

Country Status (7)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250776B1 (en) 1983-06-30 1992-06-10 RAYCHEM CORPORATION (a Delaware corporation) Method for detecting and obtaining information about changes in variables
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
SE456376B (en) * 1983-12-08 1988-09-26 Helmersson Rune ALARM DEVICE IN ISOLATED PIPE SYSTEM
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
EP0222013B1 (en) 1985-06-12 1993-02-24 RAYCHEM CORPORATION (a Delaware corporation) Hydrocarbon sensor
SE447682B (en) * 1985-07-26 1986-12-01 Safe Bridge Ab ALARM SYSTEM WITH AT LEAST A SIGNAL CORD FOR INDICATING DAMAGE TO AND / OR CAUSE TO MANIPULATION OF THE CORD
AT388430B (en) * 1987-05-06 1989-06-26 Scheuermann Herbert Dipl Ing DEVICE FOR DETECTING AND LOCATING LEAKS IN A PIPING LINE CARRYING A DAMP MEDIUM
DE3721205A1 (en) * 1987-06-26 1989-01-05 Pfaudler Werke Ag METHOD FOR DETERMINING DAMAGE TO A CORROSION PROTECTIVE LAYER AND MEASURING DEVICE FOR CARRYING OUT THIS METHOD
DE3822123C1 (en) * 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
ATE102347T1 (en) * 1989-09-05 1994-03-15 Brandes Bernd METHOD AND DEVICE FOR LOCATING THE TRUE LOCATION OF A LEAK IN A PIPE CONTAINING A WET MEDIUM.
DE19604821C1 (en) * 1996-02-10 1997-10-02 Michael Hesky Gmbh Device for leak detection in pipelines
DE102011113039A1 (en) * 2011-09-09 2013-03-14 Kurt Bruse Apparatus for detecting leakage in piping of portable water system, produces local alarm and transmits message to receiver, when monitored electric current flowing in electrical lines exceeds threshold value
CN106123109B (en) * 2016-08-05 2022-02-15 倪晨钧 Pipeline monitoring system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE579184C (en) * 1931-04-08 1933-06-22 Berthold Jenewein Dr Ing Moisture indicator for insulation
DE637703C (en) * 1934-03-07 1936-11-02 Ludwig Maurer Dipl Ing Device for electrical remote display of the metric distance of leaks in pipes
DE1814857A1 (en) * 1968-09-05 1970-04-30 Siemens Ag Arrangement for signaling leaks in a pipeline for the transport of liquids

Also Published As

Publication number Publication date
CH572187A5 (en) 1976-01-30
AT351842B (en) 1979-08-10
FR2257856B1 (en) 1979-08-03
FR2257856A1 (en) 1975-08-08
DE2337983A1 (en) 1975-02-06
ATA612874A (en) 1979-01-15
SE397585B (en) 1977-11-07
GB1481850A (en) 1977-08-03
SE7409603L (en) 1975-01-27
DE2337983C2 (en) 1984-03-22

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