FR1540668A - Indicateur de niveau de liquide - Google Patents

Indicateur de niveau de liquide

Info

Publication number
FR1540668A
FR1540668A FR124054A FR124054A FR1540668A FR 1540668 A FR1540668 A FR 1540668A FR 124054 A FR124054 A FR 124054A FR 124054 A FR124054 A FR 124054A FR 1540668 A FR1540668 A FR 1540668A
Authority
FR
France
Prior art keywords
liquid level
level indicator
indicator
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
Application number
FR124054A
Other languages
English (en)
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to FR124054A priority Critical patent/FR1540668A/fr
Application granted granted Critical
Publication of FR1540668A publication Critical patent/FR1540668A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR124054A 1967-10-11 1967-10-11 Indicateur de niveau de liquide Expired FR1540668A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR124054A FR1540668A (fr) 1967-10-11 1967-10-11 Indicateur de niveau de liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR124054A FR1540668A (fr) 1967-10-11 1967-10-11 Indicateur de niveau de liquide

Publications (1)

Publication Number Publication Date
FR1540668A true FR1540668A (fr) 1968-09-27

Family

ID=8639901

Family Applications (1)

Application Number Title Priority Date Filing Date
FR124054A Expired FR1540668A (fr) 1967-10-11 1967-10-11 Indicateur de niveau de liquide

Country Status (1)

Country Link
FR (1) FR1540668A (fr)

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