DE68903183T2 - Fiberoptischer fuellstandssensor fuer die diskrete oder kontinuierliche anzeige eines fluessigkeitsstandes. - Google Patents

Fiberoptischer fuellstandssensor fuer die diskrete oder kontinuierliche anzeige eines fluessigkeitsstandes.

Info

Publication number
DE68903183T2
DE68903183T2 DE1989603183 DE68903183T DE68903183T2 DE 68903183 T2 DE68903183 T2 DE 68903183T2 DE 1989603183 DE1989603183 DE 1989603183 DE 68903183 T DE68903183 T DE 68903183T DE 68903183 T2 DE68903183 T2 DE 68903183T2
Authority
DE
Germany
Prior art keywords
discrete
fiber optical
continuous display
liquid level
level sensor
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 - Fee Related
Application number
DE1989603183
Other languages
English (en)
Other versions
DE68903183D1 (de
Inventor
James W Snow
Paul D Colbourne
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.)
IMO Industries Inc
Original Assignee
IMO Industries Inc
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
Priority claimed from US07/168,481 external-priority patent/US4870292A/en
Priority claimed from US07/292,111 external-priority patent/US4942306A/en
Application filed by IMO Industries Inc filed Critical IMO Industries Inc
Publication of DE68903183D1 publication Critical patent/DE68903183D1/de
Application granted granted Critical
Publication of DE68903183T2 publication Critical patent/DE68903183T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE1989603183 1988-03-15 1989-03-14 Fiberoptischer fuellstandssensor fuer die diskrete oder kontinuierliche anzeige eines fluessigkeitsstandes. Expired - Fee Related DE68903183T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/168,481 US4870292A (en) 1988-03-15 1988-03-15 Fibre optic sensor for liquid level and other parameters
US07/292,111 US4942306A (en) 1988-12-30 1988-12-30 Fibre optic sensor for the continuous measurement liquids level and other parameters

Publications (2)

Publication Number Publication Date
DE68903183D1 DE68903183D1 (de) 1992-11-19
DE68903183T2 true DE68903183T2 (de) 1993-03-18

Family

ID=26864162

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989603183 Expired - Fee Related DE68903183T2 (de) 1988-03-15 1989-03-14 Fiberoptischer fuellstandssensor fuer die diskrete oder kontinuierliche anzeige eines fluessigkeitsstandes.

Country Status (3)

Country Link
EP (1) EP0334533B1 (de)
CA (1) CA1332205C (de)
DE (1) DE68903183T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023755A3 (de) * 2014-11-19 2016-08-03 The Boeing Company Optische impedanzmodulation für eine kraftstoffmengenmessung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK66992D0 (da) * 1992-05-21 1992-05-21 Faxe Kalkbrud Aktieselskabet Sensor
US5422495A (en) * 1993-04-15 1995-06-06 Boston Advanced Technologies, Inc. Optical sensor having a floatation means for detecting fluids through refractive index measurement
US5330073A (en) * 1993-04-15 1994-07-19 Boston Advanced Technologies, Inc. Gasoline dispenser leak detectors and automatic shut-off systems
GB9513975D0 (en) * 1995-07-08 1995-09-06 Hussmann Europ Ltd Monitoring system for a liquid level control
CA2271918A1 (en) * 1999-05-11 2000-11-11 Lee A. Danisch Transversely coupled fiber optic sensor for measuring and classifying contact and shape
FI116421B (fi) * 2001-09-12 2005-11-15 Matti Kari Pintakytkin
US6949758B2 (en) 2001-10-19 2005-09-27 Visteon Global Technologies, Inc. LCC-based fluid-level detection sensor
GB2385665B (en) * 2001-10-19 2004-06-02 Visteon Global Tech Inc Engine combustion monitoring and control with intergrated cylinder head gasket combustion sensor
US8136690B2 (en) 2009-04-14 2012-03-20 Microsoft Corporation Sensing the amount of liquid in a vessel
DE102014223280A1 (de) * 2014-06-17 2015-12-17 Robert Bosch Gmbh Füllstandsgeber
US10175087B2 (en) 2017-02-09 2019-01-08 The Boeing Company Fuel level sensor having dual fluorescent plastic optical fibers
US10352755B2 (en) 2017-04-17 2019-07-16 The Boeing Company Passive differential liquid level sensor using optical fibers
US10371559B2 (en) 2017-04-17 2019-08-06 The Boeing Company Differential spectral liquid level sensor
US10935413B2 (en) 2019-04-10 2021-03-02 The Boeing Company Non-contact time-of-flight fuel level sensor using plastic optical fiber
RU2757976C1 (ru) * 2020-07-14 2021-10-25 Александр Владимирович Репин Волоконно-оптический сигнализатор уровня жидкости
CN113463061A (zh) * 2021-06-24 2021-10-01 中国科学院合肥物质科学研究院 一种光斑取样光纤的加工方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403826A (en) * 1981-03-23 1983-09-13 Bell Telephone Laboratories, Incorporated Ultraviolet radiation detector
US4440022A (en) * 1981-10-14 1984-04-03 Smiths Industries Public Limited Company Liquid-level detection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023755A3 (de) * 2014-11-19 2016-08-03 The Boeing Company Optische impedanzmodulation für eine kraftstoffmengenmessung
AU2021202806B2 (en) * 2014-11-19 2022-09-15 The Boeing Company Optical impedance modulation for fuel quantity measurement

Also Published As

Publication number Publication date
EP0334533A3 (en) 1989-11-29
CA1332205C (en) 1994-10-04
EP0334533B1 (de) 1992-10-14
EP0334533A2 (de) 1989-09-27
DE68903183D1 (de) 1992-11-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee