AU5626586A - Electrical sensors for the detection of leaks in conduit systems - Google Patents

Electrical sensors for the detection of leaks in conduit systems

Info

Publication number
AU5626586A
AU5626586A AU56265/86A AU5626586A AU5626586A AU 5626586 A AU5626586 A AU 5626586A AU 56265/86 A AU56265/86 A AU 56265/86A AU 5626586 A AU5626586 A AU 5626586A AU 5626586 A AU5626586 A AU 5626586A
Authority
AU
Australia
Prior art keywords
leaks
detection
conduit systems
electrical sensors
sensors
Prior art date
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.)
Abandoned
Application number
AU56265/86A
Inventor
Wilfried Schoeps
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.)
SCHOEPS W
Original Assignee
SCHOEPS W
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 SCHOEPS W filed Critical SCHOEPS W
Publication of AU5626586A publication Critical patent/AU5626586A/en
Abandoned 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
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • 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
AU56265/86A 1985-04-01 1986-03-24 Electrical sensors for the detection of leaks in conduit systems Abandoned AU5626586A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01413/85 1985-04-01
CH141385 1985-04-01

Publications (1)

Publication Number Publication Date
AU5626586A true AU5626586A (en) 1986-10-23

Family

ID=4209863

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56265/86A Abandoned AU5626586A (en) 1985-04-01 1986-03-24 Electrical sensors for the detection of leaks in conduit systems

Country Status (3)

Country Link
EP (1) EP0216826A1 (en)
AU (1) AU5626586A (en)
WO (1) WO1986005880A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797621A (en) * 1987-07-08 1989-01-10 Midwesco, Inc. Leak detector and locator utilizing time domain reflectometry and sampling techniques
DE3822123C1 (en) * 1988-06-30 1990-03-15 Bernd 2325 Grebin De Brandes
DE19924369B4 (en) * 1999-05-27 2011-02-24 Robert Bosch Gmbh Method and device for checking the tightness of sensors
DE10136219A1 (en) * 2001-07-25 2003-02-06 Conti Temic Microelectronic Method for leak testing capacitive sensors
DE102004040106B3 (en) * 2004-07-26 2006-04-27 Carl Freudenberg Kg Device for detecting a leak

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200388A (en) * 1960-08-12 1965-08-10 Weber Aircraft Corp Water leakage alarm system
US3770002A (en) * 1971-11-01 1973-11-06 L Brown Automatic water shut-off system
JPS5415435B2 (en) * 1974-07-13 1979-06-14
DE2458055A1 (en) * 1974-12-07 1976-06-16 Kabel Metallwerke Ghh Monitoring system for metal pipelines - has capacitor constructed from pipeline itself and additional insulated conductor with electrical measurement and alarm
GB1543156A (en) * 1976-05-04 1979-03-28 Talbot J Detection of substances
DE2725224A1 (en) * 1977-06-03 1978-12-14 Herbert Friedrich Ernst I Baum Leak monitor for long pipeline - has enclosing condenser strip with capacity altered by fault to initiate alarm
NO803157L (en) * 1979-10-26 1981-04-27 Raychem Corp ERROR-DETECTING ERRORS.
NZ196084A (en) * 1981-01-22 1984-07-06 Insapipe Ind Ltd Moisture sensing in thermal insulation:electrodes encased in hydrophilic material

Also Published As

Publication number Publication date
EP0216826A1 (en) 1987-04-08
WO1986005880A1 (en) 1986-10-09

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