FR536429A - Perfectionnements aux câbles électriques - Google Patents

Perfectionnements aux câbles électriques

Info

Publication number
FR536429A
FR536429A FR536429DA FR536429A FR 536429 A FR536429 A FR 536429A FR 536429D A FR536429D A FR 536429DA FR 536429 A FR536429 A FR 536429A
Authority
FR
France
Prior art keywords
electric cables
cables
electric
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
Other languages
English (en)
Inventor
Leicester Richards Lee
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
Application granted granted Critical
Publication of FR536429A publication Critical patent/FR536429A/fr
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
    • G01M3/16—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
    • G01M3/181—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 for cables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Insulated Conductors (AREA)
  • Cable Accessories (AREA)
FR536429D 1920-06-19 1921-06-03 Perfectionnements aux câbles électriques Expired FR536429A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1663620A GB164965A (en) 1920-06-19 1920-06-19 Improvements in or relating to electric cables

Publications (1)

Publication Number Publication Date
FR536429A true FR536429A (fr) 1922-05-03

Family

ID=40451082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR536429D Expired FR536429A (fr) 1920-06-19 1921-06-03 Perfectionnements aux câbles électriques

Country Status (2)

Country Link
FR (1) FR536429A (fr)
GB (3) GB164965A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89909C (fr) * 1953-03-09
US2752586A (en) * 1954-01-20 1956-06-26 Ohio Ferro Alloys Corp Device for detection of water in oil
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
DE3687819T2 (de) 1985-06-12 1993-06-09 Raychem Corp Kohlenwasserstoffsensor.
US5077526A (en) * 1988-03-30 1991-12-31 Automated Light Technologies, Inc. Cable failure detection system
JPH0230038U (fr) * 1988-08-18 1990-02-26
US4926129A (en) * 1988-10-12 1990-05-15 Raychem Corporation Sensor assembly for detecting multiple events and distinguishing between them

Also Published As

Publication number Publication date
GB164965A (en) 1921-06-23
GB182339A (en) 1922-07-06
GB182340A (en) 1922-07-06

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