ATA19182001A - Flüssigkeitsniveaugeber - Google Patents

Flüssigkeitsniveaugeber

Info

Publication number
ATA19182001A
ATA19182001A AT19182001A AT19182001A ATA19182001A AT A19182001 A ATA19182001 A AT A19182001A AT 19182001 A AT19182001 A AT 19182001A AT 19182001 A AT19182001 A AT 19182001A AT A19182001 A ATA19182001 A AT A19182001A
Authority
AT
Austria
Prior art keywords
liquid level
level sensor
sensor
liquid
level
Prior art date
Application number
AT19182001A
Other languages
English (en)
Other versions
AT411712B (de
Inventor
Franz Ing Stuhlbacher
Helmut Dr Rieder
Dinev Dr Stoyan
Andreas Ing Schalk
Original Assignee
Efkon Ag
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 Efkon Ag filed Critical Efkon Ag
Priority to AT19182001A priority Critical patent/AT411712B/de
Publication of ATA19182001A publication Critical patent/ATA19182001A/de
Application granted granted Critical
Publication of AT411712B publication Critical patent/AT411712B/de

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
    • G01F23/22—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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element
    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms

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)
AT19182001A 2001-12-07 2001-12-07 Flüssigkeitsniveaugeber AT411712B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT19182001A AT411712B (de) 2001-12-07 2001-12-07 Flüssigkeitsniveaugeber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT19182001A AT411712B (de) 2001-12-07 2001-12-07 Flüssigkeitsniveaugeber

Publications (2)

Publication Number Publication Date
ATA19182001A true ATA19182001A (de) 2003-09-15
AT411712B AT411712B (de) 2004-04-26

Family

ID=27792543

Family Applications (1)

Application Number Title Priority Date Filing Date
AT19182001A AT411712B (de) 2001-12-07 2001-12-07 Flüssigkeitsniveaugeber

Country Status (1)

Country Link
AT (1) AT411712B (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120125A (en) * 1960-08-03 1964-02-04 American Pyrotector Inc Liquid level determining devices and method
US3424004A (en) * 1966-02-21 1969-01-28 Illinois Tool Works Liquid level indicator
CA1087269A (en) * 1976-09-03 1980-10-07 William F. Jacobsen Frequency sensitive level detecting apparatus
DE2717089C3 (de) * 1977-04-18 1979-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anzeigevorrichtung zur Erfassung des Pegelstandes von Flüssigkeiten in Flüssigkeitsbehältern
DE3328141A1 (de) * 1983-08-04 1985-02-21 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur ueberwachung eines fluessigkeitsspiegels
DE3526266A1 (de) * 1985-07-23 1987-02-05 Fraunhofer Ges Forschung Optischer fuellstandssensor
US5880480A (en) * 1996-03-13 1999-03-09 Simmonds Precision Products, Inc. Optical liquid level sensor including built-in test circuitry
US5712934A (en) * 1996-07-25 1998-01-27 Johnson; Douglas M. Fiber optic infrared sensor
US6173609B1 (en) * 1997-06-20 2001-01-16 Optical Sensor Consultants, Inc. Optical level sensor
DE19959279A1 (de) * 1999-12-09 2001-06-21 Messer Griesheim Gmbh Verfahren und Vorrichtung zur Füllstandsmessung in einem geschlossenen Behälter

Also Published As

Publication number Publication date
AT411712B (de) 2004-04-26

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee