NO304286B1 - FremgangsmÕte og detektor for detektering av nivÕ av faste stoffer i et kar - Google Patents

FremgangsmÕte og detektor for detektering av nivÕ av faste stoffer i et kar Download PDF

Info

Publication number
NO304286B1
NO304286B1 NO901814A NO901814A NO304286B1 NO 304286 B1 NO304286 B1 NO 304286B1 NO 901814 A NO901814 A NO 901814A NO 901814 A NO901814 A NO 901814A NO 304286 B1 NO304286 B1 NO 304286B1
Authority
NO
Norway
Prior art keywords
shaft
vessel
stationary
detector
solids
Prior art date
Application number
NO901814A
Other languages
English (en)
Norwegian (no)
Other versions
NO901814L (no
NO901814D0 (no
Inventor
Claes G Lysen
Original Assignee
Kv Rner Pulping Technologies A
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 Kv Rner Pulping Technologies A filed Critical Kv Rner Pulping Technologies A
Publication of NO901814D0 publication Critical patent/NO901814D0/no
Publication of NO901814L publication Critical patent/NO901814L/no
Publication of NO304286B1 publication Critical patent/NO304286B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0007—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/18—Indicating, recording or alarm devices actuated electrically
    • G01F23/185—Indicating, recording or alarm devices actuated electrically for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/261—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Dental Preparations (AREA)
  • Materials For Medical Uses (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Fire Alarms (AREA)
  • Paper (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Radiation (AREA)
NO901814A 1989-04-25 1990-04-24 FremgangsmÕte og detektor for detektering av nivÕ av faste stoffer i et kar NO304286B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/342,932 US4964301A (en) 1989-04-25 1989-04-25 Chip level indicator with differential transformer

Publications (3)

Publication Number Publication Date
NO901814D0 NO901814D0 (no) 1990-04-24
NO901814L NO901814L (no) 1990-10-26
NO304286B1 true NO304286B1 (no) 1998-11-23

Family

ID=23343913

Family Applications (1)

Application Number Title Priority Date Filing Date
NO901814A NO304286B1 (no) 1989-04-25 1990-04-24 FremgangsmÕte og detektor for detektering av nivÕ av faste stoffer i et kar

Country Status (10)

Country Link
US (1) US4964301A (ja)
EP (1) EP0395629B1 (ja)
JP (1) JP2931032B2 (ja)
AT (1) ATE109887T1 (ja)
BR (1) BR9001898A (ja)
CA (1) CA1320846C (ja)
DE (2) DE395629T1 (ja)
FI (1) FI97998C (ja)
NO (1) NO304286B1 (ja)
SE (1) SE512738C2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92437C (fi) * 1992-06-09 1994-11-10 Tampella Oy Valmet Magneettinen mittausmenetelmä raon suuruuden ja muodon (profiilin) määräämiseksi
US5532588A (en) * 1993-02-26 1996-07-02 Beta Instrument Co., Ltd. Cable eccentricity gauge including an E-shaped core and a sensor coil disposed between an outer tip of the central limb and the cable
RU2124702C1 (ru) * 1995-07-10 1999-01-10 Чангмин Ко., Лтд. Способ измерения уровня воды или жидкости (варианты) и барботажный уровнемер
US6350303B2 (en) * 1999-06-09 2002-02-26 United Microelectronics Corp. Solid powder trapping system
US9062532B2 (en) * 2011-03-10 2015-06-23 Baker Hughes Incorporated Electromagnetic viscosity sensor
US8981884B2 (en) * 2013-03-09 2015-03-17 Ctb, Inc. Hall effect grain level switch
US10352919B2 (en) 2015-03-05 2019-07-16 Andritz Inc. Solids level indicator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700758A (en) * 1949-12-06 1955-01-25 Graydon Smith Products Corp Measuring device
NL111187C (ja) * 1957-12-26
GB1032931A (en) * 1961-10-10 1966-06-15 Lucas Industries Ltd Displacement measuring apparatus
US3282084A (en) * 1963-03-05 1966-11-01 Automation Prod Apparatus for determining physical properties of materials
US3979022A (en) * 1972-06-28 1976-09-07 Xerox Corporation Monitoring device
US3971254A (en) 1975-01-08 1976-07-27 Kamyr, Inc. Solids level indicator
SU848982A1 (ru) * 1977-01-17 1981-07-23 Предприятие П/Я А-3724 Преобразователь перемещений дл лОгОМЕТРичЕСКОй СХЕМы изМЕРЕНи
US4562732A (en) * 1982-04-28 1986-01-07 Nippon Soken, Inc. Device for detecting liquid amount in a vessel

Also Published As

Publication number Publication date
SE9000689D0 (sv) 1990-02-27
US4964301A (en) 1990-10-23
NO901814L (no) 1990-10-26
NO901814D0 (no) 1990-04-24
JP2931032B2 (ja) 1999-08-09
EP0395629A3 (en) 1990-12-12
DE69011389D1 (de) 1994-09-15
EP0395629B1 (en) 1994-08-10
JPH02297024A (ja) 1990-12-07
ATE109887T1 (de) 1994-08-15
FI901650A0 (fi) 1990-04-02
CA1320846C (en) 1993-08-03
SE9000689L (sv) 1990-10-26
BR9001898A (pt) 1991-07-30
EP0395629A2 (en) 1990-10-31
DE69011389T2 (de) 1995-03-02
DE395629T1 (de) 1991-11-07
SE512738C2 (sv) 2000-05-08
FI97998C (fi) 1997-03-25
FI97998B (fi) 1996-12-13

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Legal Events

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MM1K Lapsed by not paying the annual fees