NO803157L - Feildetekterende foeler. - Google Patents

Feildetekterende foeler.

Info

Publication number
NO803157L
NO803157L NO803157A NO803157A NO803157L NO 803157 L NO803157 L NO 803157L NO 803157 A NO803157 A NO 803157A NO 803157 A NO803157 A NO 803157A NO 803157 L NO803157 L NO 803157L
Authority
NO
Norway
Prior art keywords
sensor
fault
sensor according
electrical conductor
polymer composition
Prior art date
Application number
NO803157A
Other languages
English (en)
Norwegian (no)
Inventor
Michael Allan Lutz
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 NO803157L publication Critical patent/NO803157L/no

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
    • G01M3/165—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
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • 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
    • G01M3/002—Investigating fluid-tightness of structures by using thermal 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
    • G01M3/042—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Air Bags (AREA)
  • Organic Insulating Materials (AREA)
NO803157A 1979-10-26 1980-10-23 Feildetekterende foeler. NO803157L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8834479A 1979-10-26 1979-10-26
US13435480A 1980-03-27 1980-03-27
US18464780A 1980-09-16 1980-09-16

Publications (1)

Publication Number Publication Date
NO803157L true NO803157L (no) 1981-04-27

Family

ID=27375937

Family Applications (1)

Application Number Title Priority Date Filing Date
NO803157A NO803157L (no) 1979-10-26 1980-10-23 Feildetekterende foeler.

Country Status (5)

Country Link
EP (1) EP0028142B1 (es)
CA (1) CA1169527A (es)
DE (1) DE3067962D1 (es)
ES (1) ES496230A0 (es)
NO (1) NO803157L (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413301A (en) 1980-04-21 1983-11-01 Raychem Corporation Circuit protection devices comprising PTC element
US5015958A (en) * 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
IL72246A (en) * 1983-06-30 1989-09-28 Raychem Corp Method and apparatus for detecting and obtaining information about changes in variables
DK13886A (da) * 1985-01-14 1986-07-15 Raychem Corp Kabel, som kan virke som foelelegeme
AU5626586A (en) * 1985-04-01 1986-10-23 Schoeps, W. Electrical sensors for the detection of leaks in conduit systems
DK87287A (da) * 1986-02-20 1987-08-21 Raychem Corp Fremgangsmaade og apparat for anvendelse af ionbyttemateriale
US5074988A (en) * 1986-02-20 1991-12-24 Raychem Corporation Apparatus for monitoring an electrolyte
US5045163A (en) * 1986-02-20 1991-09-03 Raychem Corporation Electrochemical method for measuring chemical species employing ion exchange material
US4888098A (en) * 1986-02-20 1989-12-19 Raychem Corporation Method and articles employing ion exchange material
US4797621A (en) * 1987-07-08 1989-01-10 Midwesco, Inc. Leak detector and locator utilizing time domain reflectometry and sampling techniques
FR2636427B1 (fr) * 1988-09-13 1991-02-15 Commissariat Energie Atomique Paroi detectrice d'un point chaud et procede d'obtention
US4926129A (en) * 1988-10-12 1990-05-15 Raychem Corporation Sensor assembly for detecting multiple events and distinguishing between them
DE4015075C2 (de) * 1990-05-10 1997-02-27 Bernd Brandes Verfahren zur Ermittlung von Undichtigkeiten an Leitungsrohren für flüssige Medien
GB2284483A (en) * 1993-12-03 1995-06-07 Graviner Ltd Kidde Temperature detecting method and system
FR2814601B1 (fr) * 2000-09-26 2003-01-24 Novoplastic Sa Conduit d'installation d'un cable electrique, et procede de controle de l'isolation electrique du cable installe
WO2015073861A1 (en) * 2013-11-15 2015-05-21 Eaton Corporation Electrically conductive polymers as sensing media to detect leaks in aerospace pneumatic ducts
CN103954379A (zh) * 2014-04-11 2014-07-30 国家电网公司 一种变压器测温系统故障定位装置
CN108773594B (zh) * 2018-07-27 2024-04-16 青岛澳科仪器有限责任公司 一种油气传感器及其应用的加油机底座、加油机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938385A (en) * 1974-05-24 1976-02-17 The United States Of America As Represented By The Secretary Of The Navy Distributed temperature sensor
JPS5415435B2 (es) * 1974-07-13 1979-06-14
DE2458055A1 (de) * 1974-12-07 1976-06-16 Kabel Metallwerke Ghh Verfahren zur ueberwachung von metallischen leitungsrohren
US4041771A (en) * 1975-05-09 1977-08-16 Arthur D. Little, Inc. Temperature-sensitive detector
GB1543156A (en) * 1976-05-04 1979-03-28 Talbot J Detection of substances

Also Published As

Publication number Publication date
CA1169527A (en) 1984-06-19
ES8206024A1 (es) 1982-08-01
EP0028142A1 (en) 1981-05-06
ES496230A0 (es) 1982-08-01
DE3067962D1 (en) 1984-06-28
EP0028142B1 (en) 1984-05-23

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