SE437886B - Apparat for metning av en mekanisk spenning i ett ferromagnetiskt foremal - Google Patents
Apparat for metning av en mekanisk spenning i ett ferromagnetiskt foremalInfo
- Publication number
- SE437886B SE437886B SE7904806A SE7904806A SE437886B SE 437886 B SE437886 B SE 437886B SE 7904806 A SE7904806 A SE 7904806A SE 7904806 A SE7904806 A SE 7904806A SE 437886 B SE437886 B SE 437886B
- Authority
- SE
- Sweden
- Prior art keywords
- bolt
- magnetic sensor
- voltage
- magnetic
- core
- Prior art date
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
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
- G01L1/125—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using magnetostrictive means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
- G01L1/127—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using inductive 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)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6633578A JPS60186B2 (ja) | 1978-06-02 | 1978-06-02 | ボルトの締付荷重検出装置 |
JP53067203A JPS6051050B2 (ja) | 1978-06-06 | 1978-06-06 | 荷重検出装置 |
JP4101079A JPS5945929B2 (ja) | 1979-04-06 | 1979-04-06 | ボルトの締付荷重検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7904806L SE7904806L (sv) | 1979-12-03 |
SE437886B true SE437886B (sv) | 1985-03-18 |
Family
ID=27290676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7904806A SE437886B (sv) | 1978-06-02 | 1979-06-01 | Apparat for metning av en mekanisk spenning i ett ferromagnetiskt foremal |
Country Status (6)
Country | Link |
---|---|
US (1) | US4279163A (de) |
CA (1) | CA1117596A (de) |
CH (1) | CH640054A5 (de) |
DE (1) | DE2922256C2 (de) |
GB (1) | GB2022268B (de) |
SE (1) | SE437886B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3031997C2 (de) * | 1980-08-25 | 1986-01-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur berührungslosen Messung statischer und dynamischer Drehmomente |
US4481470A (en) * | 1981-07-29 | 1984-11-06 | The United States Of America As Represented By The United States Department Of Energy | Method for determining the hardness of strain hardening articles of tungsten-nickel-iron alloy |
DE3481546D1 (de) * | 1983-12-17 | 1990-04-12 | Toshiba Kawasaki Kk | Beruehrungsfreie drehmomentfuehler. |
US4528856A (en) * | 1984-01-17 | 1985-07-16 | Westinghouse Electric Corp. | Eddy current stress-strain gauge |
SE8703418D0 (sv) * | 1987-09-03 | 1987-09-03 | Olsson Konsult Ab | Anordning for beroringsfri uppmetning av pakenningar i en stangformig kropp |
US4852411A (en) * | 1988-12-21 | 1989-08-01 | Eaton Corporation | Torque sensor |
US4947117A (en) * | 1989-01-03 | 1990-08-07 | Iowa State University Research Foundation | Nondestructive detection of an undesirable metallic phase, T1, during processing of aluminum-lithium alloys |
SE9102121D0 (sv) * | 1991-07-08 | 1991-07-08 | Skf Nova Ab | Sensor system |
DE4243878C2 (de) * | 1992-12-23 | 1996-05-15 | Suspa Spannbeton Gmbh | Überwachungsvorrichtung für Bauelemente |
DE19508514A1 (de) * | 1995-03-10 | 1996-09-12 | Temic Bayern Chem Airbag Gmbh | Magnetischer Drucksensor |
DE10239017B3 (de) * | 2002-08-20 | 2004-04-08 | Airbus Deutschland Gmbh | Verfahren zur Spannungs-/Dehnungsmessung mittels Barkhausenrauschen |
GB0304192D0 (en) * | 2003-02-25 | 2003-03-26 | Accentus Plc | Measurement of thermally induced stress |
US7295003B2 (en) * | 2004-09-22 | 2007-11-13 | The Boeing Company | Non-destructive testing system and method utilizing a magnetic field to identify defects in a layer of a laminated material |
US20090107260A1 (en) * | 2007-10-24 | 2009-04-30 | Thaddeus Schroeder | Magnetostrictive strain sensor with single piece sensor cavity |
US11287545B2 (en) | 2019-12-26 | 2022-03-29 | Baker Hughes Oilfield Operations Llc | Magnetic freepoint indicator tool |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB600914A (en) * | 1943-09-16 | 1948-04-22 | Standard Telephones Cables Ltd | Improvements in or relating to apparatus for testing and examining metals |
GB850733A (en) * | 1955-12-22 | 1960-10-05 | Varian Associates | Magnetoabsorption methods and apparatus |
FI41329B (de) * | 1960-05-14 | 1969-06-30 | Svenska Taendsticks Ab | |
US3235795A (en) * | 1960-10-12 | 1966-02-15 | Uozumi Sutekiyo | Non-destructive testing of materials by pulsed electromagnetic waves |
DE1224402B (de) * | 1961-12-12 | 1966-09-08 | Licentia Gmbh | Einrichtung zum genauen Messen der Verlust-ziffer und anderer magnetischer Eigenschaften von Elektroblechen, insbesondere in Streifenform |
SU427245A1 (ru) * | 1971-12-07 | 1974-05-05 | А. Ф. Мащенко , Кгуен Хыу Кан Московский автомобильно дорожный институт | Магнитоупругий датчик усилий |
JPS5214985B2 (de) * | 1972-04-03 | 1977-04-26 | ||
FR2194311A5 (de) * | 1972-07-25 | 1974-02-22 | Ctre Etu Rech Machine | |
JPS5543582B2 (de) * | 1974-10-14 | 1980-11-07 | ||
JPS5273780A (en) * | 1975-12-17 | 1977-06-21 | Mitsubishi Heavy Ind Ltd | Stress measuring device |
US4135391A (en) * | 1977-11-22 | 1979-01-23 | Asea Aktiebolag | Torque transducer |
-
1979
- 1979-03-31 GB GB7918913A patent/GB2022268B/en not_active Expired
- 1979-05-23 US US06/041,884 patent/US4279163A/en not_active Expired - Lifetime
- 1979-05-31 DE DE2922256A patent/DE2922256C2/de not_active Expired
- 1979-06-01 CA CA000328957A patent/CA1117596A/en not_active Expired
- 1979-06-01 CH CH515979A patent/CH640054A5/de not_active IP Right Cessation
- 1979-06-01 SE SE7904806A patent/SE437886B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1117596A (en) | 1982-02-02 |
CH640054A5 (de) | 1983-12-15 |
GB2022268B (en) | 1983-01-19 |
DE2922256A1 (de) | 1979-12-06 |
DE2922256C2 (de) | 1984-08-30 |
SE7904806L (sv) | 1979-12-03 |
US4279163A (en) | 1981-07-21 |
GB2022268A (en) | 1979-12-12 |
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