NO870257L - Fremgangsmaate og apparat for avstandsmaaling. - Google Patents

Fremgangsmaate og apparat for avstandsmaaling.

Info

Publication number
NO870257L
NO870257L NO870257A NO870257A NO870257L NO 870257 L NO870257 L NO 870257L NO 870257 A NO870257 A NO 870257A NO 870257 A NO870257 A NO 870257A NO 870257 L NO870257 L NO 870257L
Authority
NO
Norway
Prior art keywords
coils
measuring
transducer
transducers
measuring transducer
Prior art date
Application number
NO870257A
Other languages
English (en)
Other versions
NO870257D0 (no
Inventor
Bertil Granberg
Bert Richard Lanne
Original Assignee
Kamyr 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 Kamyr Ab filed Critical Kamyr Ab
Publication of NO870257D0 publication Critical patent/NO870257D0/no
Publication of NO870257L publication Critical patent/NO870257L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
NO870257A 1986-01-22 1987-01-21 Fremgangsmaate og apparat for avstandsmaaling. NO870257L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/821,045 US4810964A (en) 1986-01-22 1986-01-22 Method and apparatus for measuring the distance between a measuring transducer and an opposing surface, particularly with paper pulp equipment

Publications (2)

Publication Number Publication Date
NO870257D0 NO870257D0 (no) 1987-01-21
NO870257L true NO870257L (no) 1987-07-23

Family

ID=25232359

Family Applications (1)

Application Number Title Priority Date Filing Date
NO870257A NO870257L (no) 1986-01-22 1987-01-21 Fremgangsmaate og apparat for avstandsmaaling.

Country Status (9)

Country Link
US (1) US4810964A (no)
EP (1) EP0232243B1 (no)
JP (1) JPS62217102A (no)
AT (1) ATE59103T1 (no)
BR (1) BR8700291A (no)
CA (1) CA1272244A (no)
DE (1) DE3766625D1 (no)
FI (1) FI870251A (no)
NO (1) NO870257L (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791367A (en) * 1987-07-15 1988-12-13 Impact Systems, Inc. Contacting thickness gauge for moving sheet material
US5066911A (en) * 1989-04-07 1991-11-19 Sundstrand Data Control, Inc. Apparatus and method for sensing displacement using variations magnetic flux linkage
GB2231964A (en) * 1989-05-27 1990-11-28 Atomic Energy Authority Uk Inductive displacement monitoring
FR2656087B1 (fr) * 1989-12-14 1992-03-13 Commissariat Energie Atomique Capteur inductif et dispositifs de mesure du deplacement d'un organe mobile.
FR2656415B1 (fr) * 1989-12-27 1993-04-09 Framatome Sa Procede et dispositif de mesure simultanee de distance entre tubes metalliques et d'epaisseur d'oxyde sur les tubes.
US5243278A (en) * 1991-02-08 1993-09-07 Sundstrand Corporation Differential angular velocity sensor that is sensitive in only one degree of freedom
US5394290A (en) * 1993-07-06 1995-02-28 Alliedsignal Inc. Active tuned magnetic flux rate feedback sensing arrangement
US5583434A (en) * 1993-07-20 1996-12-10 Martin Marietta Energy Systems, Inc. Method and apparatus for monitoring armature position in direct-current solenoids
US5659248A (en) * 1994-10-17 1997-08-19 General Electric Company Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning
IT1295878B1 (it) * 1997-10-24 1999-05-28 Abb Kent Taylor Spa Dispositivo di misura relativa di angoli, particolarmente per steli di valvole di regolazione e valvole rotative
US6545852B1 (en) 1998-10-07 2003-04-08 Ormanco System and method for controlling an electromagnetic device
US6406102B1 (en) 1999-02-24 2002-06-18 Orscheln Management Co. Electrically operated parking brake control system
US7271585B2 (en) 2004-12-01 2007-09-18 Simmonds Precision Products, Inc. Method of fabricating a multilayer wiring board proximity sensor
SE528736C2 (sv) * 2005-06-14 2007-02-06 Daprox Ab Förfarande och anordning för montering av givare avsedd för avståndsmätning mellan stator och rotor
US7467756B2 (en) * 2006-04-10 2008-12-23 Johnson Crushers International Bowl liner movement detection method and apparatus
US9347764B2 (en) * 2014-04-23 2016-05-24 American Axle & Manufacturing, Inc. Sensor assembly configured to sense target movement in first direction and insensitive to target movement in second and third directions orthogonal to first direction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531414A (en) * 1947-06-16 1950-11-28 Lenard R Engvall Electrical pressure measuring device
US2548599A (en) * 1948-11-02 1951-04-10 Gen Electric Clearance control
US3441840A (en) * 1967-03-31 1969-04-29 Martin Marietta Corp Electronic thickness meter having direct readout of coating thickness
DE2214287A1 (de) * 1972-03-24 1973-10-04 Metabowerke Kg Laengenmessanordnung
DE2445111C3 (de) * 1974-09-20 1986-02-13 B & W Diesel A/S, Koebenhavn/Kopenhagen Vorrichtung zum Messen von Flächenänderungen von Maschinenteilen auf induktivem Wege
DK138287B (da) * 1976-05-31 1978-08-07 Brueel & Kjaer As Elektromekanisk målesystem til måling af mekanisk forskydning.
SE416844B (sv) * 1979-06-05 1981-02-09 Sunds Defibrator Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material

Also Published As

Publication number Publication date
EP0232243A1 (en) 1987-08-12
CA1272244A (en) 1990-07-31
EP0232243B1 (en) 1990-12-12
BR8700291A (pt) 1987-12-01
FI870251A0 (fi) 1987-01-21
FI870251A (fi) 1987-07-23
DE3766625D1 (de) 1991-01-24
NO870257D0 (no) 1987-01-21
US4810964A (en) 1989-03-07
ATE59103T1 (de) 1990-12-15
JPS62217102A (ja) 1987-09-24

Similar Documents

Publication Publication Date Title
NO870257D0 (no) Fremgangsmaate og apparat for avstandsmaaling.
ES8304318A1 (es) "dispositivo convertidor de medicion carente de nucleo magnetico, para la medicion exenta de potencial de una corriente de medicion".
US4387339A (en) Method and apparatus for measuring the spacing between the opposed surfaces of separated elements
EP0093232A3 (en) Magnetic length or angle measurement apparatus
EP0332048A3 (en) Multiple coil eddy current probe and method of flaw detection
PT92504A (pt) Aparelho de deteccao de defeitos electricos
DE3071424D1 (en) A method and apparatus for determining the electrical conductivity of the ground
EP0305013A3 (en) Inductive proximity sensor
GB1470086A (en) Current measuring apparatus and method therefor
GB2122752B (en) Eddy current thickness gauge with constant magnetic bias
US3897684A (en) Permanent magnet type e.m. current meters
US3444458A (en) Device for detecting variations in magnetic properties of ferromagnetic material
GB2207510A (en) Magnetic sensor
JPS5753604A (en) Thickness gauge
GB936015A (en) Improvements in or relating to apparatus for testing of ferro-magnetic material
JPS57192805A (en) Differential feedback type eddy current distance meter
JPS5757204A (en) Method of measuring thickness of film formed on surface of ferromagnetic substance
JPS5713349A (en) Inspection device for electromagnetic induction
JPS55144557A (en) Surface potentiometer
SU979982A1 (ru) Накладной преобразователь к вихретоковому дефектоскопу
GB1184663A (en) Improvements in or relating to Magnetic Detecting Apparatus.
SU616570A1 (ru) Вихретоковой преобразователь дл измерени длины трещин в электропровод щих материалах
SU615407A1 (ru) Измеритель перемещений
SU723457A1 (ru) Устройство дл измерени скорости потока электропроводной жидкости
IT1235034B (it) Dispositivo di rilevamento di corrente elettrica