DE3247192C2 - - Google Patents

Info

Publication number
DE3247192C2
DE3247192C2 DE19823247192 DE3247192A DE3247192C2 DE 3247192 C2 DE3247192 C2 DE 3247192C2 DE 19823247192 DE19823247192 DE 19823247192 DE 3247192 A DE3247192 A DE 3247192A DE 3247192 C2 DE3247192 C2 DE 3247192C2
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19823247192
Other languages
German (de)
Other versions
DE3247192A1 (de
Inventor
Karl Dipl.-Phys. Dr. 7800 Freiburg De Spenner
Heinrich Ing.(Grad.) 7801 March De Schulte
Ralf Prof. Dipl.-Phys. Dr. 7803 Gundelfingen De Kersten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to DE19823247192 priority Critical patent/DE3247192A1/de
Publication of DE3247192A1 publication Critical patent/DE3247192A1/de
Application granted granted Critical
Publication of DE3247192C2 publication Critical patent/DE3247192C2/de
Granted legal-status Critical Current

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

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)
DE19823247192 1982-12-21 1982-12-21 Faseroptische fluessigkeitsstandsmessvorrichtung Granted DE3247192A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823247192 DE3247192A1 (de) 1982-12-21 1982-12-21 Faseroptische fluessigkeitsstandsmessvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823247192 DE3247192A1 (de) 1982-12-21 1982-12-21 Faseroptische fluessigkeitsstandsmessvorrichtung

Publications (2)

Publication Number Publication Date
DE3247192A1 DE3247192A1 (de) 1984-07-05
DE3247192C2 true DE3247192C2 (ja) 1987-03-26

Family

ID=6181232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823247192 Granted DE3247192A1 (de) 1982-12-21 1982-12-21 Faseroptische fluessigkeitsstandsmessvorrichtung

Country Status (1)

Country Link
DE (1) DE3247192A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739304A1 (de) * 1987-11-20 1989-06-01 Bernhard Kessel Reinigungsrohr
DE4012841A1 (de) * 1990-04-23 1991-10-24 Behr Gmbh & Co Klima- oder kaelteanlage
DE4014443A1 (de) * 1990-05-05 1991-11-07 Duepro Ag Fluessigkeitssauger

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2544877B1 (fr) * 1983-04-22 1986-07-04 Electricite De France Sonde optique
DE3415242C1 (de) * 1984-04-24 1985-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Faseroptischer Sensor
DE3604230A1 (de) * 1986-02-11 1987-08-13 Daimler Benz Ag Faseroptischer fuellstandssensor
DE3606847A1 (de) * 1986-03-03 1987-09-24 Schott Glaswerke Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler
US4979797A (en) * 1989-10-06 1990-12-25 Imo Industries, Inc. Multi-level fiber-optic liquid-level sensing system
DE4010948A1 (de) * 1990-04-05 1991-10-10 Fibronix Sensoren Gmbh Vorrichtung zur optoelektrischen trennschicht- und brechzahlmessung in fluessigkeiten
DE4010949A1 (de) * 1990-04-05 1991-10-10 Fibronix Sensoren Gmbh Optoelektrische fuellstandsanzeigevorrichtung
US6057772A (en) * 1997-11-13 2000-05-02 Henny Penny Corporation Apparatus and method for optically sensing liquid level in cooking vessels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859104A (en) * 1958-04-10 1961-01-18 Bendix Corp Level sensors
CA1082053A (en) * 1976-09-02 1980-07-22 Fred A. Vaccari Optical material level probe
JPS5376889A (en) * 1976-12-18 1978-07-07 Denki Kagaku Keiki Kk Sensor for oils* etc*
GB1518492A (en) * 1977-02-04 1978-07-19 Ford Motor Co Liquid level warning device
DE8213878U1 (de) * 1982-05-13 1982-09-23 Andreas Hofer Hochdrucktechnik GmbH, 4330 Mülheim Niveaufuehler fuer unter druck stehende fluessigkeiten
DE8214766U1 (de) * 1982-05-21 1982-09-23 Andreas Hofer Hochdrucktechnik GmbH, 4330 Mülheim Niveaufuehler fuer fluessigkeiten

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739304A1 (de) * 1987-11-20 1989-06-01 Bernhard Kessel Reinigungsrohr
DE4012841A1 (de) * 1990-04-23 1991-10-24 Behr Gmbh & Co Klima- oder kaelteanlage
DE4014443A1 (de) * 1990-05-05 1991-11-07 Duepro Ag Fluessigkeitssauger

Also Published As

Publication number Publication date
DE3247192A1 (de) 1984-07-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee