DE3606847A1 - Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler - Google Patents

Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler

Info

Publication number
DE3606847A1
DE3606847A1 DE19863606847 DE3606847A DE3606847A1 DE 3606847 A1 DE3606847 A1 DE 3606847A1 DE 19863606847 DE19863606847 DE 19863606847 DE 3606847 A DE3606847 A DE 3606847A DE 3606847 A1 DE3606847 A1 DE 3606847A1
Authority
DE
Germany
Prior art keywords
light
light guide
liquid
sensor according
optical fibers
Prior art date
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.)
Granted
Application number
DE19863606847
Other languages
German (de)
English (en)
Other versions
DE3606847C2 (cg-RX-API-DMAC7.html
Inventor
Wolfgang Dipl Ing Kriege
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.)
Schott AG
Original Assignee
Schott Glaswerke 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6295353&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3606847(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schott Glaswerke AG filed Critical Schott Glaswerke AG
Priority to DE19863606847 priority Critical patent/DE3606847A1/de
Priority to EP19870102838 priority patent/EP0237850B1/de
Publication of DE3606847A1 publication Critical patent/DE3606847A1/de
Application granted granted Critical
Publication of DE3606847C2 publication Critical patent/DE3606847C2/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

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19863606847 1986-03-03 1986-03-03 Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler Granted DE3606847A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19863606847 DE3606847A1 (de) 1986-03-03 1986-03-03 Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler
EP19870102838 EP0237850B1 (de) 1986-03-03 1987-02-27 Faseroptischer Sensor für Flüssigkeitsstandanzeiger oder -niveauregler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863606847 DE3606847A1 (de) 1986-03-03 1986-03-03 Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler

Publications (2)

Publication Number Publication Date
DE3606847A1 true DE3606847A1 (de) 1987-09-24
DE3606847C2 DE3606847C2 (cg-RX-API-DMAC7.html) 1989-07-06

Family

ID=6295353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863606847 Granted DE3606847A1 (de) 1986-03-03 1986-03-03 Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler

Country Status (2)

Country Link
EP (1) EP0237850B1 (cg-RX-API-DMAC7.html)
DE (1) DE3606847A1 (cg-RX-API-DMAC7.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5002349A (en) * 1989-11-29 1991-03-26 Bell Communications Research, Inc. Integrated acousto-optic filters and switches
DE4342128A1 (de) * 1993-12-10 1995-06-14 Abb Patent Gmbh Farbauftragvorrichtung
DE29607318U1 (de) * 1996-04-23 1996-08-29 Schmidt, Wolfgang, 25980 Sylt-Ost Füllstandsanzeige optoelektronisch für Wassertanks und andere flüssige Medien
DE10206824A1 (de) * 2002-02-18 2003-08-28 Kautex Textron Gmbh & Co Kg Verfahren und Vorrichtung zur optischen Füllstandsbestimmung in flüssigkeitsgefüllten Behältern

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169521A (ja) * 1987-01-07 1988-07-13 Toshiba Corp 変位計
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
US5399876A (en) * 1994-03-03 1995-03-21 Simmonds Precision Products, Inc. Optical point level sensor with lens
GB9415962D0 (en) * 1994-08-06 1994-09-28 Schlumberger Ltd Multiphase fluid component discrimination
EP0975995A1 (en) * 1996-06-19 2000-02-02 Visionex, Inc. Fiber optic interface for optical probes with enhanced photonic efficiency, light manipulation, and stray light rejection
US6208783B1 (en) 1997-03-13 2001-03-27 Cirrex Corp. Optical filtering device
US6580935B1 (en) 1999-03-12 2003-06-17 Cirrex Corp. Method and system for stabilizing reflected light
EP1487273B1 (en) 2002-02-13 2009-01-21 Immunology Laboratories, Inc. Compositions and methods for treatment of microbial infections
WO2008068388A1 (en) 2006-12-08 2008-06-12 Wallac Oy Fibre optic cable and method for producing the same
DE102008031439A1 (de) * 2008-05-08 2009-11-19 Eurocopter Deutschland Gmbh Verfahren und Vorrichtung zur Erfassung eines Füllstandes

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1811201A1 (de) * 1967-11-30 1969-07-17 Giuseppe Panerai Messapparatur mit aeusserer Standanzeige fuer eine Fluessigkeit in einem Behaelter
US3535934A (en) * 1969-02-10 1970-10-27 Illinois Tool Works Liquid level indicator
US3535933A (en) * 1969-02-17 1970-10-27 Illinois Tool Works Liquid level indicator
GB2002905A (en) * 1977-07-27 1979-02-28 Northern Eng Ind Liquid level indicator apparatus
AT351835B (de) * 1973-12-26 1979-08-10 Corning Glass Works Fasern fuer die uebertragung optischer signale, insbesondere wellenleiterfasern
DE3235591A1 (de) * 1982-09-25 1984-03-29 Fraunhofer Ges Forschung Faseroptische fluessigkeitsstands-anzeigevorrichtung
DE3247192A1 (de) * 1982-12-21 1984-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Faseroptische fluessigkeitsstandsmessvorrichtung
GB2149112A (en) * 1983-10-27 1985-06-05 Lucas Ind Plc Liquid level detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027944A (en) 1976-02-09 1977-06-07 American Optical Corporation Illuminated system for vertical fluorescent microscopy
DE3328141A1 (de) * 1983-08-04 1985-02-21 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur ueberwachung eines fluessigkeitsspiegels
GB8330813D0 (en) * 1983-11-18 1983-12-29 Smiths Industries Plc Fibre-optic cable assemblies

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1811201A1 (de) * 1967-11-30 1969-07-17 Giuseppe Panerai Messapparatur mit aeusserer Standanzeige fuer eine Fluessigkeit in einem Behaelter
US3535934A (en) * 1969-02-10 1970-10-27 Illinois Tool Works Liquid level indicator
US3535933A (en) * 1969-02-17 1970-10-27 Illinois Tool Works Liquid level indicator
AT351835B (de) * 1973-12-26 1979-08-10 Corning Glass Works Fasern fuer die uebertragung optischer signale, insbesondere wellenleiterfasern
GB2002905A (en) * 1977-07-27 1979-02-28 Northern Eng Ind Liquid level indicator apparatus
DE3235591A1 (de) * 1982-09-25 1984-03-29 Fraunhofer Ges Forschung Faseroptische fluessigkeitsstands-anzeigevorrichtung
DE3247192A1 (de) * 1982-12-21 1984-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Faseroptische fluessigkeitsstandsmessvorrichtung
GB2149112A (en) * 1983-10-27 1985-06-05 Lucas Ind Plc Liquid level detector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: Technisches Messen, 51 1984, H. 9, S. 329-334 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5002349A (en) * 1989-11-29 1991-03-26 Bell Communications Research, Inc. Integrated acousto-optic filters and switches
DE4342128A1 (de) * 1993-12-10 1995-06-14 Abb Patent Gmbh Farbauftragvorrichtung
DE29607318U1 (de) * 1996-04-23 1996-08-29 Schmidt, Wolfgang, 25980 Sylt-Ost Füllstandsanzeige optoelektronisch für Wassertanks und andere flüssige Medien
DE10206824A1 (de) * 2002-02-18 2003-08-28 Kautex Textron Gmbh & Co Kg Verfahren und Vorrichtung zur optischen Füllstandsbestimmung in flüssigkeitsgefüllten Behältern
DE10206824B4 (de) * 2002-02-18 2005-04-28 Kautex Textron Gmbh & Co Kg Verfahren zur optischen Füllstandsbestimmung in flüssigkeitsgefüllten Behältern
US6921911B2 (en) 2002-02-18 2005-07-26 Kautex Textron Gmbh & Co. Kg Method and device for optically determining a filling level in liquid-filled containers

Also Published As

Publication number Publication date
DE3606847C2 (cg-RX-API-DMAC7.html) 1989-07-06
EP0237850B1 (de) 1991-07-10
EP0237850A1 (de) 1987-09-23

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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