FI864443A0 - Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer. - Google Patents

Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer.

Info

Publication number
FI864443A0
FI864443A0 FI864443A FI864443A FI864443A0 FI 864443 A0 FI864443 A0 FI 864443A0 FI 864443 A FI864443 A FI 864443A FI 864443 A FI864443 A FI 864443A FI 864443 A0 FI864443 A0 FI 864443A0
Authority
FI
Finland
Prior art keywords
distance
pct
coil
refiner
measuring
Prior art date
Application number
FI864443A
Other languages
English (en)
Other versions
FI864443A (fi
FI80146B (fi
FI80146C (fi
Inventor
Juhani Kaernae
Heikki Pahlman
Original Assignee
Yhtyneet Paperitehtaat Oy
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 Yhtyneet Paperitehtaat Oy filed Critical Yhtyneet Paperitehtaat Oy
Publication of FI864443A0 publication Critical patent/FI864443A0/fi
Priority to FI864443A priority Critical patent/FI80146C/fi
Priority to PCT/FI1987/000132 priority patent/WO1988003054A1/en
Priority to DE8787906426T priority patent/DE3773194D1/de
Priority to AU80746/87A priority patent/AU597744B2/en
Priority to EP87906426A priority patent/EP0290487B1/en
Priority to US07/207,156 priority patent/US4878020A/en
Priority to JP62505954A priority patent/JPH01501093A/ja
Priority to AT87906426T priority patent/ATE67430T1/de
Priority to CA000549576A priority patent/CA1274878A/en
Publication of FI864443A publication Critical patent/FI864443A/fi
Priority to NO882906A priority patent/NO172526C/no
Publication of FI80146B publication Critical patent/FI80146B/fi
Application granted granted Critical
Publication of FI80146C publication Critical patent/FI80146C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/002—Control devices
    • 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

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Coating With Molten Metal (AREA)
  • Measurement Of Optical Distance (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Paints Or Removers (AREA)
  • Golf Clubs (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
FI864443A 1986-10-31 1986-10-31 Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer. FI80146C (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI864443A FI80146C (fi) 1986-10-31 1986-10-31 Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer.
DE8787906426T DE3773194D1 (de) 1986-10-31 1987-09-30 Verfahren und vorrichtung zur messung des abstandes zwischen den scheiben einer mahleinrichtung.
PCT/FI1987/000132 WO1988003054A1 (en) 1986-10-31 1987-09-30 Method and device for measuring the distance between the discs of a refiner
AU80746/87A AU597744B2 (en) 1986-10-31 1987-09-30 Method and device for measuring the distance between the discs of a refiner
EP87906426A EP0290487B1 (en) 1986-10-31 1987-09-30 Method and device for measuring the distance between the discs of a refiner
US07/207,156 US4878020A (en) 1986-10-31 1987-09-30 Method and device for measuring the distance between the discs of a refiner using a measurement of the magnetic flux induced between the discs
JP62505954A JPH01501093A (ja) 1986-10-31 1987-09-30 精砕機のディスク間の距離測定方法及び装置
AT87906426T ATE67430T1 (de) 1986-10-31 1987-09-30 Verfahren und vorrichtung zur messung des abstandes zwischen den scheiben einer mahleinrichtung.
CA000549576A CA1274878A (en) 1986-10-31 1987-10-19 Method and device for measuring the distance between the discs of a refiner
NO882906A NO172526C (no) 1986-10-31 1988-06-29 Fremgangsmaate og innretning for maaling av avstanden mellom skivene i en prosessmaskin, saerlig en skivemoelle eller raffinoer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI864443A FI80146C (fi) 1986-10-31 1986-10-31 Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer.
FI864443 1986-10-31

Publications (4)

Publication Number Publication Date
FI864443A0 true FI864443A0 (fi) 1986-10-31
FI864443A FI864443A (fi) 1988-05-01
FI80146B FI80146B (fi) 1989-12-29
FI80146C FI80146C (fi) 1990-04-10

Family

ID=8523421

Family Applications (1)

Application Number Title Priority Date Filing Date
FI864443A FI80146C (fi) 1986-10-31 1986-10-31 Foerfarande och anordning foer maetning av avstaondet mellan malskivorna vid en raffinoer.

Country Status (10)

Country Link
US (1) US4878020A (fi)
EP (1) EP0290487B1 (fi)
JP (1) JPH01501093A (fi)
AT (1) ATE67430T1 (fi)
AU (1) AU597744B2 (fi)
CA (1) CA1274878A (fi)
DE (1) DE3773194D1 (fi)
FI (1) FI80146C (fi)
NO (1) NO172526C (fi)
WO (1) WO1988003054A1 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950986A (en) * 1988-06-27 1990-08-21 Combustion Engineering, Inc. Magnetic proximity sensor for measuring gap between opposed refiner plates
DE4113745C2 (de) * 1991-04-26 1993-11-25 Mehnert Walter Dr Induktiver Stellungsgeber
DE4127209C2 (de) * 1991-08-16 1996-05-23 Mehnert Walter Dr Geber zur induktiven Erzeugung eines Meßsignals
EP0628238A1 (en) * 1993-06-11 1994-12-14 The Haigh Engineering Company Ltd Improvements in or relating to rotary disintegrators
US5691636A (en) * 1993-08-25 1997-11-25 Andritz Sprout-Bauer, Inc. Probe assembly mounting for a grinding machine
US6752165B2 (en) 2000-03-08 2004-06-22 J & L Fiber Services, Inc. Refiner control method and system
US6502774B1 (en) 2000-03-08 2003-01-07 J + L Fiber Services, Inc. Refiner disk sensor and sensor refiner disk
US6778936B2 (en) 2000-03-08 2004-08-17 J & L Fiber Services, Inc. Consistency determining method and system
SE520322C2 (sv) * 2000-03-23 2003-06-24 Daprox Ab Sätt och anordning för avståndsbestämning mellan en stator och en denna motstående roterande rotor
US6938843B2 (en) 2001-03-06 2005-09-06 J & L Fiber Services, Inc. Refiner control method and system
TW567333B (en) * 2002-09-20 2003-12-21 Benq Corp Method for phase matching by detecting magnetic flux
US7104480B2 (en) * 2004-03-23 2006-09-12 J&L Fiber Services, Inc. Refiner sensor and coupling arrangement
DE102005045374A1 (de) * 2005-09-22 2007-04-05 Siemens Ag Messvorrichtung mit einem Messkopf zur Positionsbestimmung eines Primärteils auf einem Sekundärteil und Verfahren zur Positionsbestimmung eines Primärteils auf einem Sekundärteil mit einem Messkopf
US7450335B2 (en) * 2006-08-09 2008-11-11 Hitachi Global Storage Technologies Netherlands B.V. Reducing read/write head track misregistration

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467306A (en) * 1943-09-08 1949-04-12 Sperry Prod Inc Flaw detector for tubing and the like
US2548599A (en) * 1948-11-02 1951-04-10 Gen Electric Clearance control
US3434670A (en) * 1966-07-07 1969-03-25 Pulp Paper Res Inst Apparatus for measuring out of tram and plate separation of disc refiners
US3500179A (en) * 1967-07-17 1970-03-10 Pulp Paper Res Inst System for displaying out-of-tram measurements in disc refiners
SE401896B (sv) * 1975-03-26 1978-06-05 Pak Construction Ab Anordning vid indikering av spaltbredd och att forhindra metallisk kontakt mellan de pa motstaende ytor med bommar eller liknande forsedda malorgan t ex malskivorna i en malapparat
SE414457B (sv) * 1977-03-21 1980-08-04 Asea Ab Anordning for metning av spalten mellan tva malskivor
SE416844B (sv) * 1979-06-05 1981-02-09 Sunds Defibrator Sett och anordning for avstandsmetning mellan tva motstaende ytor av magnetiskt ledande material
US4627578A (en) * 1979-12-19 1986-12-09 Tasman Pulp And Paper Company Limited Methods of and/or apparatus for detecting and controlling refiner plate clashing
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
US4785243A (en) * 1987-01-29 1988-11-15 Ltv Steel Company Electronically scanned eddy current flaw inspection
US4804912A (en) * 1987-05-14 1989-02-14 Kamyr Ab Apparatus for electromagnetically measuring the distance between two opposing grinding surfaces

Also Published As

Publication number Publication date
FI864443A (fi) 1988-05-01
AU597744B2 (en) 1990-06-07
DE3773194D1 (de) 1991-10-24
AU8074687A (en) 1988-05-25
NO172526B (no) 1993-04-26
US4878020A (en) 1989-10-31
EP0290487A1 (en) 1988-11-17
FI80146B (fi) 1989-12-29
NO882906L (no) 1988-06-29
ATE67430T1 (de) 1991-10-15
NO172526C (no) 1993-08-04
NO882906D0 (no) 1988-06-29
JPH01501093A (ja) 1989-04-13
WO1988003054A1 (en) 1988-05-05
EP0290487B1 (en) 1991-09-18
FI80146C (fi) 1990-04-10
CA1274878A (en) 1990-10-02

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: YHTYNEET PAPERITEHTAAT OY, WALKI CAN