GB2062246B - Capacitive fault detecting sensors - Google Patents

Capacitive fault detecting sensors

Info

Publication number
GB2062246B
GB2062246B GB8034349A GB8034349A GB2062246B GB 2062246 B GB2062246 B GB 2062246B GB 8034349 A GB8034349 A GB 8034349A GB 8034349 A GB8034349 A GB 8034349A GB 2062246 B GB2062246 B GB 2062246B
Authority
GB
United Kingdom
Prior art keywords
detecting sensors
fault detecting
capacitive fault
capacitive
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.)
Expired
Application number
GB8034349A
Other versions
GB2062246A (en
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.)
Raychem Corp
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
Priority to GB8034349A priority Critical patent/GB2062246B/en
Publication of GB2062246A publication Critical patent/GB2062246A/en
Application granted granted Critical
Publication of GB2062246B publication Critical patent/GB2062246B/en
Expired 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
    • 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
    • G01M3/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB8034349A 1980-03-27 1980-10-24 Capacitive fault detecting sensors Expired GB2062246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8034349A GB2062246B (en) 1980-03-27 1980-10-24 Capacitive fault detecting sensors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13435480A 1980-03-27 1980-03-27
US18464780A 1980-09-16 1980-09-16
GB8034349A GB2062246B (en) 1980-03-27 1980-10-24 Capacitive fault detecting sensors

Publications (2)

Publication Number Publication Date
GB2062246A GB2062246A (en) 1981-05-20
GB2062246B true GB2062246B (en) 1983-07-13

Family

ID=27261042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8034349A Expired GB2062246B (en) 1980-03-27 1980-10-24 Capacitive fault detecting sensors

Country Status (1)

Country Link
GB (1) GB2062246B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134337B (en) * 1983-01-25 1986-04-23 Stanley Oshry Releasable cover for electrical plug
US4837499A (en) * 1986-05-19 1989-06-06 Scherer Iii Robert P Moisture sensing device
US4952868A (en) * 1986-05-19 1990-08-28 Scherer Iii Robert P Moisture sensing system for an irrigation system
DE4021664A1 (en) * 1990-07-07 1992-01-16 Wrede & Niedecken Verwaltung DEVICE AND METHOD FOR DETERMINING LEAKAGE ON INSULATED COMPONENTS CONTAINING A FLOW MEDIUM
US6317540B1 (en) * 2000-02-02 2001-11-13 Pirelli Cables & Systems, Llc Energy cable with electrochemical chemical analyte sensor

Also Published As

Publication number Publication date
GB2062246A (en) 1981-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee