FR1266565A - Optical liquid level detector - Google Patents

Optical liquid level detector

Info

Publication number
FR1266565A
FR1266565A FR828715A FR828715A FR1266565A FR 1266565 A FR1266565 A FR 1266565A FR 828715 A FR828715 A FR 828715A FR 828715 A FR828715 A FR 828715A FR 1266565 A FR1266565 A FR 1266565A
Authority
FR
France
Prior art keywords
liquid level
level detector
optical liquid
optical
detector
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
FR828715A
Other languages
French (fr)
Inventor
Jean-Raoul Guibert
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.)
Propulsion Par Reaction S E P
Original Assignee
Propulsion Par Reaction S E P
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 Propulsion Par Reaction S E P filed Critical Propulsion Par Reaction S E P
Priority to FR828715A priority Critical patent/FR1266565A/en
Application granted granted Critical
Publication of FR1266565A publication Critical patent/FR1266565A/en
Expired 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)
FR828715A 1960-05-31 1960-05-31 Optical liquid level detector Expired FR1266565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR828715A FR1266565A (en) 1960-05-31 1960-05-31 Optical liquid level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828715A FR1266565A (en) 1960-05-31 1960-05-31 Optical liquid level detector

Publications (1)

Publication Number Publication Date
FR1266565A true FR1266565A (en) 1961-07-17

Family

ID=8732510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828715A Expired FR1266565A (en) 1960-05-31 1960-05-31 Optical liquid level detector

Country Status (1)

Country Link
FR (1) FR1266565A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192392A (en) * 1962-03-29 1965-06-29 Thermal Syndicate Ltd Photoelectric apparatus to detect liquid level
FR2201459A1 (en) * 1972-09-22 1974-04-26 Dba
FR2319118A1 (en) * 1975-07-21 1977-02-18 Hectronic Ag OPTICO-ELECTRICAL PROBE FOR LIQUIDS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192392A (en) * 1962-03-29 1965-06-29 Thermal Syndicate Ltd Photoelectric apparatus to detect liquid level
FR2201459A1 (en) * 1972-09-22 1974-04-26 Dba
FR2319118A1 (en) * 1975-07-21 1977-02-18 Hectronic Ag OPTICO-ELECTRICAL PROBE FOR LIQUIDS

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