SE8904307L - Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare - Google Patents

Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare

Info

Publication number
SE8904307L
SE8904307L SE8904307A SE8904307A SE8904307L SE 8904307 L SE8904307 L SE 8904307L SE 8904307 A SE8904307 A SE 8904307A SE 8904307 A SE8904307 A SE 8904307A SE 8904307 L SE8904307 L SE 8904307L
Authority
SE
Sweden
Prior art keywords
static
quasi
magnetization
detection
magnetic field
Prior art date
Application number
SE8904307A
Other languages
English (en)
Other versions
SE465185B (sv
SE8904307D0 (sv
Inventor
B Hoffman
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE8904307A priority Critical patent/SE465185B/sv
Publication of SE8904307D0 publication Critical patent/SE8904307D0/sv
Priority to US07/628,149 priority patent/US5122742A/en
Priority to CA002032584A priority patent/CA2032584C/en
Priority to JP2404458A priority patent/JP3030096B2/ja
Priority to ES90125168T priority patent/ES2063239T3/es
Priority to EP90125168A priority patent/EP0434089B1/en
Priority to DE69012075T priority patent/DE69012075T2/de
Publication of SE8904307L publication Critical patent/SE8904307L/sv
Publication of SE465185B publication Critical patent/SE465185B/sv

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
    • G01L3/105—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
    • 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
    • G01L3/102—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
SE8904307A 1989-12-21 1989-12-21 Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare SE465185B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8904307A SE465185B (sv) 1989-12-21 1989-12-21 Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare
US07/628,149 US5122742A (en) 1989-12-21 1990-12-17 Detection of static and/or quasi-static magnetic fields in magnetoelastic force and torque transducers
CA002032584A CA2032584C (en) 1989-12-21 1990-12-18 Compensation of static and/or quasi-static magnetic fields in magnetoelastic force and torque transducers
JP2404458A JP3030096B2 (ja) 1989-12-21 1990-12-20 磁気弾性の力／トルク変換器における静磁界および／または疑似静磁界の補償
ES90125168T ES2063239T3 (es) 1989-12-21 1990-12-21 Metodo y dispositivo para la deteccion y reduccion del efecto de campos magneticos estaticos sobre transductor magnetoelastico de fuerza.
EP90125168A EP0434089B1 (en) 1989-12-21 1990-12-21 Method and device for detection of and protection against the effect of static magnetic fields on magnetoelastic force transducer
DE69012075T DE69012075T2 (de) 1989-12-21 1990-12-21 Verfahren und Vorrichtung zum Erkennung und Schutz gegen statisches elektromagnetisches Feld an Magnetoelastischem Kraftmesser.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904307A SE465185B (sv) 1989-12-21 1989-12-21 Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare

Publications (3)

Publication Number Publication Date
SE8904307D0 SE8904307D0 (sv) 1989-12-21
SE8904307L true SE8904307L (sv) 1991-06-22
SE465185B SE465185B (sv) 1991-08-05

Family

ID=20377828

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8904307A SE465185B (sv) 1989-12-21 1989-12-21 Foerfarande jaemte anordning foer detektering av och skydd mot inverkan av stoerande statiska och kvasistatiska magnetfaelt paa maetning med kraft- och vridmomentgivare

Country Status (7)

Country Link
US (1) US5122742A (sv)
EP (1) EP0434089B1 (sv)
JP (1) JP3030096B2 (sv)
CA (1) CA2032584C (sv)
DE (1) DE69012075T2 (sv)
ES (1) ES2063239T3 (sv)
SE (1) SE465185B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5902934A (en) * 1990-12-10 1999-05-11 Sensortech, L.P. Phase magnitude signal detector
US5525907A (en) * 1995-03-17 1996-06-11 Hughes Missile Systems Company Active impulse magnetometer with bipolar magnetic impulse generator and fast fourier transform receiver to detect sub-surface metallic materials
EP0863728A4 (en) * 1995-11-28 2000-11-08 Univ America Catholic PROTECTION OF LIVING SYSTEMS AGAINST ELECTROMAGNETIC FIELDS
SE504842C2 (sv) * 1995-12-18 1997-05-12 Asea Brown Boveri Vridmomentgivare bestående av en givaraxel med en cirkulärpolariserad magnetisk ring fixerad vid givaraxelns periferi
US6422096B1 (en) 1998-08-06 2002-07-23 Blh Electronics, Inc. Load cell
GB9924046D0 (en) * 1999-10-11 1999-12-15 Fast Technology Gmbh Torque measurement apparatus
US6341534B1 (en) * 2000-03-03 2002-01-29 Ford Motor Company Integrated two-channel torque sensor
SE517238C2 (sv) * 2000-09-27 2002-05-14 Abb Ab Vridmomentgivare och användning av en vridmomentgivare
DE10161803A1 (de) * 2001-12-15 2003-07-10 Hilti Ag Elektromagnetischer Drehmomentsensor
US7222034B2 (en) * 2003-09-19 2007-05-22 Tektronix, Inc. In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope
DE102006017727A1 (de) * 2006-04-15 2007-10-25 Daimlerchrysler Ag Berührungslose Sensorvorrichtung und Verfahren zur Bestimmung von Eigenschaften einer Welle
GB2484458A (en) 2010-10-04 2012-04-18 Thorn Security Commissioning detector units of an alarm system by means of a remote infrared based communication tool
WO2015001097A1 (en) * 2013-07-05 2015-01-08 Torque And More (Tam) Gmbh Solid borne sound wave phase delay comparison

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792348A (en) * 1971-11-19 1974-02-12 W Rollwitz Method of determining stress in a ferromagnetic member using magnetoabsorption
US3890564A (en) * 1972-07-04 1975-06-17 Okura Denki Co Ltd Apparatus for inducing eddy current in a semiconductor wafer for measuring the electric conductivity or resistivity thereof
US3925725A (en) * 1974-09-23 1975-12-09 Mogilevsky V M Oscilloscopic ferrometer
US4573012A (en) * 1983-02-14 1986-02-25 General Electric Company Method and apparatus for measuring core loss of a laminated ferromagnetic structure
US4506554A (en) * 1983-06-07 1985-03-26 Asea Aktiebolag Magnetoelastic torque transducer
CH664632A5 (de) * 1984-08-16 1988-03-15 Landis & Gyr Ag Schaltungsanordnung zur kompensation von schwankungen des uebertragungsfaktors eines magnetfeldsensors.
JPS61162726A (ja) * 1985-01-11 1986-07-23 Toyota Central Res & Dev Lab Inc 応力検出装置
US4760745A (en) * 1986-12-05 1988-08-02 Mag Dev Inc. Magnetoelastic torque transducer

Also Published As

Publication number Publication date
CA2032584C (en) 1999-04-27
ES2063239T3 (es) 1995-01-01
JPH04120431A (ja) 1992-04-21
US5122742A (en) 1992-06-16
CA2032584A1 (en) 1991-06-22
DE69012075D1 (de) 1994-10-06
EP0434089B1 (en) 1994-08-31
JP3030096B2 (ja) 2000-04-10
EP0434089A1 (en) 1991-06-26
SE465185B (sv) 1991-08-05
DE69012075T2 (de) 1995-03-30
SE8904307D0 (sv) 1989-12-21

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