DE69012075D1 - Verfahren und Vorrichtung zum Erkennung und Schutz gegen statisches elektromagnetisches Feld an Magnetoelastischem Kraftmesser. - Google Patents

Verfahren und Vorrichtung zum Erkennung und Schutz gegen statisches elektromagnetisches Feld an Magnetoelastischem Kraftmesser.

Info

Publication number
DE69012075D1
DE69012075D1 DE69012075T DE69012075T DE69012075D1 DE 69012075 D1 DE69012075 D1 DE 69012075D1 DE 69012075 T DE69012075 T DE 69012075T DE 69012075 T DE69012075 T DE 69012075T DE 69012075 D1 DE69012075 D1 DE 69012075D1
Authority
DE
Germany
Prior art keywords
detection
electromagnetic field
protection against
against static
static electromagnetic
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 - Lifetime
Application number
DE69012075T
Other languages
English (en)
Other versions
DE69012075T2 (de
Inventor
Bertil Hoffman
Sverker Nidmark
Jan Palmquist
Jarl Sobel
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.)
ABB AB
Original Assignee
Asea Brown Boveri AB
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 AB filed Critical Asea Brown Boveri AB
Publication of DE69012075D1 publication Critical patent/DE69012075D1/de
Application granted granted Critical
Publication of DE69012075T2 publication Critical patent/DE69012075T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69012075T 1989-12-21 1990-12-21 Verfahren und Vorrichtung zum Erkennung und Schutz gegen statisches elektromagnetisches Feld an Magnetoelastischem Kraftmesser. Expired - Lifetime DE69012075T2 (de)

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 (2)

Publication Number Publication Date
DE69012075D1 true DE69012075D1 (de) 1994-10-06
DE69012075T2 DE69012075T2 (de) 1995-03-30

Family

ID=20377828

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012075T Expired - Lifetime DE69012075T2 (de) 1989-12-21 1990-12-21 Verfahren und Vorrichtung zum Erkennung und Schutz gegen statisches elektromagnetisches Feld an Magnetoelastischem Kraftmesser.

Country Status (7)

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

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 (de) * 1995-11-28 2000-11-08 Univ America Catholic Schutz von lebewesen vor elektromagnetischen feldern
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
US9983073B2 (en) * 2013-07-05 2018-05-29 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
SE8904307L (sv) 1991-06-22
CA2032584C (en) 1999-04-27
SE465185B (sv) 1991-08-05
US5122742A (en) 1992-06-16
SE8904307D0 (sv) 1989-12-21
ES2063239T3 (es) 1995-01-01
JP3030096B2 (ja) 2000-04-10
CA2032584A1 (en) 1991-06-22
EP0434089A1 (de) 1991-06-26
EP0434089B1 (de) 1994-08-31
DE69012075T2 (de) 1995-03-30
JPH04120431A (ja) 1992-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: HANSMANN & VOGESER, 81369 MUENCHEN