FR2662248B1 - OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM. - Google Patents

OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM.

Info

Publication number
FR2662248B1
FR2662248B1 FR9006109A FR9006109A FR2662248B1 FR 2662248 B1 FR2662248 B1 FR 2662248B1 FR 9006109 A FR9006109 A FR 9006109A FR 9006109 A FR9006109 A FR 9006109A FR 2662248 B1 FR2662248 B1 FR 2662248B1
Authority
FR
France
Prior art keywords
deviation
tank
measuring
liquid
level
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
FR9006109A
Other languages
French (fr)
Other versions
FR2662248A1 (en
Inventor
Philippe Lapujade
Original Assignee
Jaeger
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 Jaeger filed Critical Jaeger
Priority to FR9006109A priority Critical patent/FR2662248B1/en
Publication of FR2662248A1 publication Critical patent/FR2662248A1/en
Application granted granted Critical
Publication of FR2662248B1 publication Critical patent/FR2662248B1/en
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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
FR9006109A 1990-05-16 1990-05-16 OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM. Expired - Fee Related FR2662248B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9006109A FR2662248B1 (en) 1990-05-16 1990-05-16 OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9006109A FR2662248B1 (en) 1990-05-16 1990-05-16 OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM.

Publications (2)

Publication Number Publication Date
FR2662248A1 FR2662248A1 (en) 1991-11-22
FR2662248B1 true FR2662248B1 (en) 1993-12-03

Family

ID=9396663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9006109A Expired - Fee Related FR2662248B1 (en) 1990-05-16 1990-05-16 OPTICAL DEVICE FOR MEASURING THE LEVEL OF A LIQUID IN A TANK BY DEVIATION OF A LIGHT BEAM.

Country Status (1)

Country Link
FR (1) FR2662248B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7982201B2 (en) 2009-09-08 2011-07-19 Jadak, Llc System and method for detection of liquid level in a vessel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128925A1 (en) * 1981-07-22 1983-02-10 Bayerische Motoren Werke AG, 8000 München Level indicator for liquids
DE3243839A1 (en) * 1982-11-26 1984-05-30 Kromberg & Schubert, 5600 Wuppertal Apparatus for level measurement of liquids in containers, especially level measurement for motor vehicles
WO1984003143A1 (en) * 1983-02-03 1984-08-16 Ljs Practice Management Ltd Optical probe to measure the depth of a cavity

Also Published As

Publication number Publication date
FR2662248A1 (en) 1991-11-22

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