SE9703980D0 - Nivågivare - Google Patents

Nivågivare

Info

Publication number
SE9703980D0
SE9703980D0 SE9703980A SE9703980A SE9703980D0 SE 9703980 D0 SE9703980 D0 SE 9703980D0 SE 9703980 A SE9703980 A SE 9703980A SE 9703980 A SE9703980 A SE 9703980A SE 9703980 D0 SE9703980 D0 SE 9703980D0
Authority
SE
Sweden
Prior art keywords
radiation
emitter
medium
reflective device
chosen
Prior art date
Application number
SE9703980A
Other languages
English (en)
Other versions
SE511605C2 (sv
SE9703980L (sv
Inventor
Rolf Westerlund
Original Assignee
Rolf Westerlund
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 Rolf Westerlund filed Critical Rolf Westerlund
Priority to SE9703980A priority Critical patent/SE511605C2/sv
Publication of SE9703980D0 publication Critical patent/SE9703980D0/sv
Priority to EP98953121A priority patent/EP1032807A1/en
Priority to PCT/SE1998/001959 priority patent/WO1999026044A1/sv
Priority to AU10575/99A priority patent/AU1057599A/en
Publication of SE9703980L publication Critical patent/SE9703980L/xx
Publication of SE511605C2 publication Critical patent/SE511605C2/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/292Light, e.g. infrared or ultraviolet
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/292Light, e.g. infrared or ultraviolet
    • G01F23/2921Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2928Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
SE9703980A 1997-10-30 1997-10-30 Nivågivare SE511605C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9703980A SE511605C2 (sv) 1997-10-30 1997-10-30 Nivågivare
EP98953121A EP1032807A1 (en) 1997-10-30 1998-10-29 A level detector
PCT/SE1998/001959 WO1999026044A1 (sv) 1997-10-30 1998-10-29 A level detector
AU10575/99A AU1057599A (en) 1997-10-30 1998-10-29 A level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703980A SE511605C2 (sv) 1997-10-30 1997-10-30 Nivågivare

Publications (3)

Publication Number Publication Date
SE9703980D0 true SE9703980D0 (sv) 1997-10-30
SE9703980L SE9703980L (sv) 1999-05-01
SE511605C2 SE511605C2 (sv) 1999-10-25

Family

ID=20408813

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703980A SE511605C2 (sv) 1997-10-30 1997-10-30 Nivågivare

Country Status (4)

Country Link
EP (1) EP1032807A1 (sv)
AU (1) AU1057599A (sv)
SE (1) SE511605C2 (sv)
WO (1) WO1999026044A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014277A1 (de) 2006-03-23 2007-09-27 M.U.T Aviation-Technology Gmbh Vorrichtung und Verfahren zur kontinuierlichen optischen Bestimmung des Füllstands von Flüssigkeiten in Flüssigkeitsvorratsbehältern von Fahrzeugen oder Flugzeugen
CA2739362A1 (en) * 2011-05-06 2012-11-06 Gotohti.Com Inc. Fluid level gauge
US8283647B2 (en) * 2009-07-22 2012-10-09 Eastman Kodak Company Developer liquid level sensor
DE102018200363B3 (de) 2018-01-11 2019-03-21 Robert Bosch Gmbh Messvorrichtung zur Füllstandüberwachung und differenziellen Messung des optischen Brechungsindex
DE102019208563A1 (de) * 2019-06-12 2020-12-17 Volkswagen Aktiengesellschaft Optischer Flüssigkeitssensor und Verfahren zur optischen Detektion von Flüssigkeiten

Also Published As

Publication number Publication date
AU1057599A (en) 1999-06-07
EP1032807A1 (en) 2000-09-06
WO1999026044A1 (sv) 1999-05-27
SE511605C2 (sv) 1999-10-25
SE9703980L (sv) 1999-05-01

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