CS237053B1 - Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech - Google Patents

Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech Download PDF

Info

Publication number
CS237053B1
CS237053B1 CS28359A CS28359A CS237053B1 CS 237053 B1 CS237053 B1 CS 237053B1 CS 28359 A CS28359 A CS 28359A CS 28359 A CS28359 A CS 28359A CS 237053 B1 CS237053 B1 CS 237053B1
Authority
CS
Czechoslovakia
Prior art keywords
input
output
sensor
conductive materials
detection
Prior art date
Application number
CS28359A
Other languages
Czech (cs)
English (en)
Inventor
Jiri Sacha
Jaroslav Snajberk
Original Assignee
Jiri Sacha
Jaroslav Snajberk
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 Jiri Sacha, Jaroslav Snajberk filed Critical Jiri Sacha
Priority to CS28359A priority Critical patent/CS237053B1/cs
Priority to FR815785A priority patent/FR1245344A/fr
Publication of CS237053B1 publication Critical patent/CS237053B1/cs

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/105—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving inductive means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CS28359A 1959-01-15 1959-01-15 Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech CS237053B1 (cs)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CS28359A CS237053B1 (cs) 1959-01-15 1959-01-15 Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech
FR815785A FR1245344A (fr) 1959-01-15 1960-01-15 Appareil de mesure par force magnétostrictive de torsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS28359A CS237053B1 (cs) 1959-01-15 1959-01-15 Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech

Publications (1)

Publication Number Publication Date
CS237053B1 true CS237053B1 (cs) 1985-06-13

Family

ID=5334679

Family Applications (1)

Application Number Title Priority Date Filing Date
CS28359A CS237053B1 (cs) 1959-01-15 1959-01-15 Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech

Country Status (2)

Country Link
CS (1) CS237053B1 (fr)
FR (1) FR1245344A (fr)

Also Published As

Publication number Publication date
FR1245344A (fr) 1960-11-04

Similar Documents

Publication Publication Date Title
US4107605A (en) Eddy current flaw detector utilizing plural sets of four planar coils, with the plural sets disposed in a common bridge
US3580056A (en) Nondestructive, resonant testing apparatus with magnetic pickup
US2582437A (en) Electromagnetic testing device for steel ropes
US3538433A (en) Apparatus for discriminating between inside and outside defects using a combined leakage field and eddy current test system
US3229197A (en) Pulsed electromagnetic field system for nondestructive testing
US2744233A (en) Apparatus for detecting flaws in metal stock
CA2420304A1 (fr) Controle d'un objet constitue d'un materiau electroconducteur
US2513745A (en) Metal detector
US4579004A (en) Instrument for detecting the instant at which a crack begins in a mechanical strength test of a ferromagnetic metal
US2964699A (en) Probe device for flaw detection
US2656714A (en) Method and apparatus for nondestructive investigation of magnetostrictive solids
US3526829A (en) Pulsed eddy current apparatus for nondestructive testing of resistance type welds
US2894203A (en) Multiple frequency eddy current testing apparatus
CS237053B1 (cs) Zapojení pro zjišťování povrchových trhlin na elektrický vodivých materiálech
US3319160A (en) Fail indication circuit for magnetic inspection system
US3652928A (en) Method and apparatus for testing electrical detection systems
US5311126A (en) Magnetic field strength threshold indicator for use in a magnetic particle inspection device
GB1113006A (en) Method and apparatus for magnetic reaction testing
US2055672A (en) Metal testing device
US4827216A (en) Differential triple-coil tester for wire rope with periodic lay effect cancellation
US3075145A (en) Magnetic detection of flaws using mutually coupled coils
GB2186372A (en) Eddy current testing
SU1287758A3 (ru) Устройство дл испытани и идентификации электропровод щих монет
EP0093566A2 (fr) Méthode et appareil pour le contrôle non destructif d'objets perméables magnétiquement
SU746278A1 (ru) Способ неразрушающего контрол и устройство дл его реализации