SE416844B - Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material - Google Patents

Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material

Info

Publication number
SE416844B
SE416844B SE7904903A SE7904903A SE416844B SE 416844 B SE416844 B SE 416844B SE 7904903 A SE7904903 A SE 7904903A SE 7904903 A SE7904903 A SE 7904903A SE 416844 B SE416844 B SE 416844B
Authority
SE
Sweden
Prior art keywords
currents
measuring
sensor
meter
windings
Prior art date
Application number
SE7904903A
Other languages
English (en)
Swedish (sv)
Other versions
SE7904903L (sv
Inventor
B O Akerblom
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Priority to SE7904903A priority Critical patent/SE416844B/sv
Priority to DE3019808A priority patent/DE3019808C2/de
Priority to FI801748A priority patent/FI73078C/fi
Priority to US06/155,207 priority patent/US4387339A/en
Priority to NO801672A priority patent/NO152271C/no
Priority to CA000353352A priority patent/CA1147826A/en
Priority to BR8003511A priority patent/BR8003511A/pt
Priority to JP7502580A priority patent/JPS55164302A/ja
Publication of SE7904903L publication Critical patent/SE7904903L/
Publication of SE416844B publication Critical patent/SE416844B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE7904903A 1979-05-06 1979-06-05 Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material SE416844B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7904903A SE416844B (sv) 1979-06-05 1979-06-05 Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material
DE3019808A DE3019808C2 (de) 1979-06-05 1980-05-23 Verfahren und Vorrichtung zum Messen des Spaltes zwischen zwei einander gegenüberstehenden Oberflächen
FI801748A FI73078C (fi) 1979-06-05 1980-05-29 Saett och anordning foer avstaondsmaetning.
US06/155,207 US4387339A (en) 1979-05-06 1980-06-02 Method and apparatus for measuring the spacing between the opposed surfaces of separated elements
NO801672A NO152271C (no) 1979-06-05 1980-06-04 Fremgangsmaate og anordning for avstandsmaaling.
CA000353352A CA1147826A (en) 1979-06-05 1980-06-04 Method and device for distance measuring
BR8003511A BR8003511A (pt) 1979-06-05 1980-06-04 Processo para medir o espacamento entre duas superficies opostas de material magneticamente condutivo e aparelho para realizacao do referido processo
JP7502580A JPS55164302A (en) 1979-06-05 1980-06-05 Method of and apparatus for measuring space between surfaces facing each other

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7904903A SE416844B (sv) 1979-06-05 1979-06-05 Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material

Publications (2)

Publication Number Publication Date
SE7904903L SE7904903L (sv) 1980-12-06
SE416844B true SE416844B (sv) 1981-02-09

Family

ID=20338210

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7904903A SE416844B (sv) 1979-05-06 1979-06-05 Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material

Country Status (8)

Country Link
US (1) US4387339A (de)
JP (1) JPS55164302A (de)
BR (1) BR8003511A (de)
CA (1) CA1147826A (de)
DE (1) DE3019808C2 (de)
FI (1) FI73078C (de)
NO (1) NO152271C (de)
SE (1) SE416844B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8320962D0 (en) * 1983-08-03 1983-09-07 Davidson & Co Ltd Inductance sensor
SE444272B (sv) * 1984-08-15 1986-04-07 Sunds Defibrator Anordning for indikering av spalten mellan tva motroterande malskivor i en malapparat for raffinering av lignocellulosahaltigt material
US4810964A (en) * 1986-01-22 1989-03-07 Kamyr Ab Method and apparatus for measuring the distance between a measuring transducer and an opposing surface, particularly with paper pulp equipment
FI80146C (fi) * 1986-10-31 1990-04-10 Yhtyneet Paperitehtaat Oy Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer.
US4820980A (en) * 1987-05-04 1989-04-11 Dodson Edgars Darryl Gap, wear and tram measurement system and method for grinding machines
US4804912A (en) * 1987-05-14 1989-02-14 Kamyr Ab Apparatus for electromagnetically measuring the distance between two opposing grinding surfaces
US4855667A (en) * 1988-06-13 1989-08-08 E. I. Du Pont De Nemours And Company Parallel plate dielectric analyzer
US5065106A (en) * 1988-06-13 1991-11-12 Ta Instruments, Inc. Apparatus and method for analyzing dielectric properties using a single surface electrode and force monitoring and adjusting
US4950986A (en) * 1988-06-27 1990-08-21 Combustion Engineering, Inc. Magnetic proximity sensor for measuring gap between opposed refiner plates
US5247253A (en) * 1990-11-09 1993-09-21 Curtis Instruments, Inc. Eddy current proximity sensing means and method useful for determining throttle position
SE468705C (sv) * 1991-07-19 2003-08-05 Valmet Fibertech Ab Förfarande och anordning för att medelst reluktansmetoden mäta avståndet mellan två varandra motstående ytor
US5691636A (en) * 1993-08-25 1997-11-25 Andritz Sprout-Bauer, Inc. Probe assembly mounting for a grinding machine
US5617023A (en) * 1995-02-02 1997-04-01 Otis Elevator Company Industrial contactless position sensor
SE9801551L (sv) * 1998-05-04 1999-11-05 D A Production Ab Sätt och anordning för mätning av materialtjocklek
FR2783910B1 (fr) * 1998-09-28 2000-12-15 Minh Quang Le Capteur inductif et procede pour mesurer la distance capteur-cible
US6424145B1 (en) 2000-02-29 2002-07-23 Eldec Corporation Inductive proximity sensor for detecting ferromagnetic, non-permeable or magnet targets
SE520322C2 (sv) * 2000-03-23 2003-06-24 Daprox Ab Sätt och anordning för avståndsbestämning mellan en stator och en denna motstående roterande rotor
US6310472B1 (en) * 2000-04-13 2001-10-30 Jacob Chass Multiple hall effect sensor of magnetic core displacement
SE521893C2 (sv) * 2001-09-26 2003-12-16 Daprox Ab Givare för avståndsmätning
US7271585B2 (en) * 2004-12-01 2007-09-18 Simmonds Precision Products, Inc. Method of fabricating a multilayer wiring board proximity sensor
GB2466404B (en) * 2007-11-21 2010-10-27 Rolls Royce Plc Turbomachine having an apparatus to measure the clearance between a rotor blade tip and a stator liner of a stator casing
WO2010104466A1 (en) * 2009-03-12 2010-09-16 Daprox Ab Method and means for non-contact measuring thickness of non-metal coating on surface of metal matrix
FR2972795B1 (fr) * 2011-03-15 2013-10-11 Crouzet Automatismes Capteur inductif de proximite et procede de montage dudit capteur
FR3009076B1 (fr) * 2013-07-26 2017-03-31 Michelin & Cie Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035782A (en) * 1959-02-18 1962-05-22 Bath Iron Works Corp Crusher and clearance indicator
US3609527A (en) * 1969-05-26 1971-09-28 James F Ellis Noncontacting proximity gage utilizing induced eddy currents,having improved dynamic response and interference discrimination
JPS5282262A (en) * 1975-12-27 1977-07-09 Nippon Steel Corp Detecting method for corroded state on wall surface on furnace wall

Also Published As

Publication number Publication date
NO152271C (no) 1985-08-28
SE7904903L (sv) 1980-12-06
JPS55164302A (en) 1980-12-22
NO152271B (no) 1985-05-20
FI73078B (fi) 1987-04-30
FI73078C (fi) 1987-08-10
BR8003511A (pt) 1981-01-05
DE3019808A1 (de) 1980-12-11
US4387339A (en) 1983-06-07
FI801748A (fi) 1980-12-06
CA1147826A (en) 1983-06-07
NO801672L (no) 1980-12-08
JPH0229961B2 (de) 1990-07-03
DE3019808C2 (de) 1984-02-23

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