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DK301188A - Fremgangsmaade og apparat til detektering og lokalisering af aendring i variable stoerrelser - Google Patents

Fremgangsmaade og apparat til detektering og lokalisering af aendring i variable stoerrelser

Info

Publication number
DK301188A
DK301188A DK301188A DK301188A DK301188A DK 301188 A DK301188 A DK 301188A DK 301188 A DK301188 A DK 301188A DK 301188 A DK301188 A DK 301188A DK 301188 A DK301188 A DK 301188A
Authority
DK
Denmark
Prior art keywords
insulated
conductors
insulated conductors
trunk line
branch
Prior art date
Application number
DK301188A
Other languages
Danish (da)
English (en)
Other versions
DK301188D0 (da
Inventor
Heinrich Koppitsch
Francis Sparling
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Publication of DK301188D0 publication Critical patent/DK301188D0/da
Publication of DK301188A publication Critical patent/DK301188A/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • 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
    • G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electric Cable Installation (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Emergency Alarm Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Locating Faults (AREA)
  • Testing Of Coins (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DK301188A 1987-06-03 1988-06-02 Fremgangsmaade og apparat til detektering og lokalisering af aendring i variable stoerrelser DK301188A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/057,459 US4843327A (en) 1987-06-03 1987-06-03 Branched sensor system

Publications (2)

Publication Number Publication Date
DK301188D0 DK301188D0 (da) 1988-06-02
DK301188A true DK301188A (da) 1988-12-04

Family

ID=22010665

Family Applications (1)

Application Number Title Priority Date Filing Date
DK301188A DK301188A (da) 1987-06-03 1988-06-02 Fremgangsmaade og apparat til detektering og lokalisering af aendring i variable stoerrelser

Country Status (10)

Country Link
US (1) US4843327A (de)
EP (1) EP0294159B1 (de)
JP (1) JP2622400B2 (de)
KR (1) KR890000900A (de)
AT (1) ATE88575T1 (de)
AU (1) AU616183B2 (de)
CA (1) CA1325252C (de)
DE (1) DE3880375T2 (de)
DK (1) DK301188A (de)
NO (1) NO882429L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264796A (en) * 1990-04-03 1993-11-23 Ford Motor Company Fault detection and isolation in automotive wiring harness including dedicated test line
US5066919A (en) * 1990-04-03 1991-11-19 Ford Motor Company Fault detection and isolation in automotive wiring harness by network analysis method
US6777947B2 (en) 2002-04-29 2004-08-17 Tyco Thermal Controls Llc. Sensor cable
US7081759B2 (en) * 2003-12-01 2006-07-25 Raymond & Lae Engineering, Inc. Fluid detection cable
US8063309B2 (en) 2008-06-06 2011-11-22 Raymond & Lae Engineering, Inc. Twisted leak detection cable
US8234910B2 (en) * 2009-05-12 2012-08-07 Raymond & Lae Engineering, Inc. Aqueous chemical leak detection cable
US8256269B2 (en) * 2009-05-12 2012-09-04 Raymond & Lae Engineering, Inc. Aqueous chemical leak detection cable
FR3035750B1 (fr) * 2015-04-30 2018-06-15 Schneider Electric Industries Sas Dispositif de protection d'un reseau electrique
JP6971948B2 (ja) * 2018-10-05 2021-11-24 三菱電機ビルテクノサービス株式会社 漏液検出装置
JP7050014B2 (ja) * 2019-01-15 2022-04-07 三菱電機ビルテクノサービス株式会社 漏液検出装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234459A (en) * 1959-01-02 1966-02-08 Whitney Blake Co Method and apparatus for locating faults in electrical cable lines by comparing the impedance of the entire faulted line to the impedance of a section of the line
US3248646A (en) * 1962-07-19 1966-04-26 Whitney Blake Co Location of cable faults by comparing a section of the faulted cable with a part of the section
US3460123A (en) * 1965-07-14 1969-08-05 Jack V Bass Clothing alarm means
US3560850A (en) * 1968-06-26 1971-02-02 Elof A B Hojding Systems for detecting and locating beginning faults in energized electric networks
US4013924A (en) * 1970-03-19 1977-03-22 A/S E. Rasmussen Methods and means for detecting the presence of moisture adjacent insulated pipes
US3668472A (en) * 1971-05-17 1972-06-06 Gilbert Associates Ground detection circuit for a d.c. distribution network
US4442422A (en) * 1982-03-31 1984-04-10 Murata Manufacturing Co., Ltd. Humidity sensitive resistor
IL72246A (en) * 1983-06-30 1989-09-28 Raychem Corp Method and apparatus for detecting and obtaining information about changes in variables
AU572519B2 (en) * 1983-06-30 1988-05-12 Raychem Corporation Method for detecting and obtaining information about changes in variables
AU4104485A (en) * 1984-04-11 1985-10-17 Raychem Corporation Detecting and locating information about an event
EP0160440A1 (de) * 1984-04-11 1985-11-06 RAYCHEM CORPORATION (a Delaware corporation) Vorrichtung zur Feststellung und zum Erhalt von Information über Änderungen von Variablen
CA1283721C (en) * 1984-04-24 1991-04-30 Louis Michael Frank Device for use in an apparatus for detecting and locating information about an event
MX160663A (es) * 1984-06-07 1990-04-05 Raychem Corp Mejoras en aparato electrico y metodo para la deteccion de variacion de parametros tales como volumen,temperatura y presencia de fluidos por medio de impedancias

Also Published As

Publication number Publication date
JP2622400B2 (ja) 1997-06-18
JPS646839A (en) 1989-01-11
EP0294159B1 (de) 1993-04-21
EP0294159A1 (de) 1988-12-07
US4843327A (en) 1989-06-27
DK301188D0 (da) 1988-06-02
NO882429D0 (no) 1988-06-02
AU616183B2 (en) 1991-10-24
CA1325252C (en) 1993-12-14
DE3880375D1 (de) 1993-05-27
KR890000900A (ko) 1989-03-17
ATE88575T1 (de) 1993-05-15
AU1731688A (en) 1988-12-08
DE3880375T2 (de) 1993-07-29
NO882429L (no) 1988-12-05

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment