DE3606847C2 - - Google Patents

Info

Publication number
DE3606847C2
DE3606847C2 DE19863606847 DE3606847A DE3606847C2 DE 3606847 C2 DE3606847 C2 DE 3606847C2 DE 19863606847 DE19863606847 DE 19863606847 DE 3606847 A DE3606847 A DE 3606847A DE 3606847 C2 DE3606847 C2 DE 3606847C2
Authority
DE
Germany
Prior art keywords
light
optical fibers
liquid
sensor
bundle
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.)
Expired
Application number
DE19863606847
Other languages
German (de)
English (en)
Other versions
DE3606847A1 (de
Inventor
Wolfgang Dipl.-Ing. 6500 Mainz De 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(C2) "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 DE3606847A1 (de) 1987-09-24
DE3606847C2 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008031439A1 (de) * 2008-05-08 2009-11-19 Eurocopter Deutschland Gmbh Verfahren und Vorrichtung zur Erfassung eines Füllstandes

Families Citing this family (14)

* 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
US5002349A (en) * 1989-11-29 1991-03-26 Bell Communications Research, Inc. Integrated acousto-optic filters and switches
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
DE4342128A1 (de) * 1993-12-10 1995-06-14 Abb Patent Gmbh Farbauftragvorrichtung
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
DE29607318U1 (de) * 1996-04-23 1996-08-29 Schmidt, Wolfgang, 25980 Sylt-Ost Füllstandsanzeige optoelektronisch für Wassertanks und andere flüssige Medien
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
DE10206824B4 (de) * 2002-02-18 2005-04-28 Kautex Textron Gmbh & Co Kg Verfahren zur optischen Füllstandsbestimmung in flüssigkeitsgefüllten Behältern
WO2008068388A1 (en) 2006-12-08 2008-06-12 Wallac Oy Fibre optic cable and method for producing the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548657A (en) * 1967-11-30 1970-12-22 Maria Panerai Device for an outside display of the level of a liquid contained within a tank
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
US3912362A (en) * 1973-12-26 1975-10-14 Corning Glass Works Termination for fiber optic bundle
US4027944A (en) 1976-02-09 1977-06-07 American Optical Corporation Illuminated system for vertical fluorescent microscopy
GB2002905A (en) * 1977-07-27 1979-02-28 Northern Eng Ind Liquid level indicator apparatus
DE3235591C2 (de) * 1982-09-25 1987-03-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Faseroptische Flüssigkeitsstands-Anzeigevorrichtung
DE3247192C2 (de) * 1982-12-21 1987-03-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Faseroptische Flüssigkeitsstandsmeßvorrichtung
DE3328141A1 (de) * 1983-08-04 1985-02-21 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur ueberwachung eines fluessigkeitsspiegels
GB2149112B (en) * 1983-10-27 1987-12-09 Lucas Ind Plc Liquid level detector
GB8330813D0 (en) * 1983-11-18 1983-12-29 Smiths Industries Plc Fibre-optic cable assemblies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008031439A1 (de) * 2008-05-08 2009-11-19 Eurocopter Deutschland Gmbh Verfahren und Vorrichtung zur Erfassung eines Füllstandes

Also Published As

Publication number Publication date
EP0237850B1 (de) 1991-07-10
EP0237850A1 (de) 1987-09-23
DE3606847A1 (de) 1987-09-24

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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