FR1495095A - Liquid level indicator - Google Patents

Liquid level indicator

Info

Publication number
FR1495095A
FR1495095A FR77350A FR77350A FR1495095A FR 1495095 A FR1495095 A FR 1495095A FR 77350 A FR77350 A FR 77350A FR 77350 A FR77350 A FR 77350A FR 1495095 A FR1495095 A FR 1495095A
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
FR77350A
Other languages
French (fr)
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works 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
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Priority to FR77350A priority Critical patent/FR1495095A/en
Application granted granted Critical
Publication of FR1495095A publication Critical patent/FR1495095A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR77350A 1966-09-22 1966-09-22 Liquid level indicator Expired FR1495095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR77350A FR1495095A (en) 1966-09-22 1966-09-22 Liquid level indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR77350A FR1495095A (en) 1966-09-22 1966-09-22 Liquid level indicator

Publications (1)

Publication Number Publication Date
FR1495095A true FR1495095A (en) 1967-09-15

Family

ID=8617675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR77350A Expired FR1495095A (en) 1966-09-22 1966-09-22 Liquid level indicator

Country Status (1)

Country Link
FR (1) FR1495095A (en)

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