FR1440416A - Procédé et appareillage pour le contrôle des rails par induction - Google Patents

Procédé et appareillage pour le contrôle des rails par induction

Info

Publication number
FR1440416A
FR1440416A FR24288A FR24288A FR1440416A FR 1440416 A FR1440416 A FR 1440416A FR 24288 A FR24288 A FR 24288A FR 24288 A FR24288 A FR 24288A FR 1440416 A FR1440416 A FR 1440416A
Authority
FR
France
Prior art keywords
induction
testing rails
rails
testing
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
FR24288A
Other languages
English (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.)
Automation Industries Inc
Original Assignee
Automation Industries Inc
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 Automation Industries Inc filed Critical Automation Industries Inc
Priority to FR24288A priority Critical patent/FR1440416A/fr
Application granted granted Critical
Publication of FR1440416A publication Critical patent/FR1440416A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • 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
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
FR24288A 1964-07-13 1965-07-12 Procédé et appareillage pour le contrôle des rails par induction Expired FR1440416A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR24288A FR1440416A (fr) 1964-07-13 1965-07-12 Procédé et appareillage pour le contrôle des rails par induction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38195864A 1964-07-13 1964-07-13
FR24288A FR1440416A (fr) 1964-07-13 1965-07-12 Procédé et appareillage pour le contrôle des rails par induction

Publications (1)

Publication Number Publication Date
FR1440416A true FR1440416A (fr) 1966-05-27

Family

ID=26164706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24288A Expired FR1440416A (fr) 1964-07-13 1965-07-12 Procédé et appareillage pour le contrôle des rails par induction

Country Status (1)

Country Link
FR (1) FR1440416A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2015770B1 (en) * 2015-11-11 2017-05-29 Conductis B V Monitoring of electric railway systems.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2015770B1 (en) * 2015-11-11 2017-05-29 Conductis B V Monitoring of electric railway systems.

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