FR1458471A - Liquid level indicator - Google Patents

Liquid level indicator

Info

Publication number
FR1458471A
FR1458471A FR31783A FR31783A FR1458471A FR 1458471 A FR1458471 A FR 1458471A FR 31783 A FR31783 A FR 31783A FR 31783 A FR31783 A FR 31783A FR 1458471 A FR1458471 A FR 1458471A
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
FR31783A
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 FR31783A priority Critical patent/FR1458471A/en
Application granted granted Critical
Publication of FR1458471A publication Critical patent/FR1458471A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR31783A 1965-09-17 1965-09-17 Liquid level indicator Expired FR1458471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR31783A FR1458471A (en) 1965-09-17 1965-09-17 Liquid level indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31783A FR1458471A (en) 1965-09-17 1965-09-17 Liquid level indicator

Publications (1)

Publication Number Publication Date
FR1458471A true FR1458471A (en) 1966-03-04

Family

ID=8588569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31783A Expired FR1458471A (en) 1965-09-17 1965-09-17 Liquid level indicator

Country Status (1)

Country Link
FR (1) FR1458471A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003670A1 (en) * 1982-04-08 1983-10-27 Grossiord, Claude Device for detecting the liquid level in a tank, particularly of a liquified gas in a lighter tank, and tank provided with such device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003670A1 (en) * 1982-04-08 1983-10-27 Grossiord, Claude Device for detecting the liquid level in a tank, particularly of a liquified gas in a lighter tank, and tank provided with such device

Similar Documents

Publication Publication Date Title
CH446744A (en) Optical indicator of the level of a liquid in a container
CH467997A (en) Liquid level indicator
FR1510202A (en) Magnetically operated liquid level indicator
FR1385971A (en) Improvements to liquid level detectors
BE798222A (en) LIQUID LEVEL INDICATOR DEVICE
FR1456920A (en) Liquid level indicator
FR1531708A (en) Liquid level indicator
FR1458471A (en) Liquid level indicator
DE6609700U (en) LIQUID LEVEL INDICATOR
FR1497415A (en) Liquid level measuring device
FR1440190A (en) Liquid level indicator
FR1495095A (en) Liquid level indicator
FR1357551A (en) Capacitive liquid level detector
FR1500358A (en) Cryogenic liquid level indicator and regulator
FR1373284A (en) Liquid level indicator
CH421542A (en) Volumetric liquid meter
FR1357360A (en) Float-type liquid level indicator with mercury switch
FR1518419A (en) Instrument for measuring the level of a liquid
FR1347815A (en) Liquid level indicator
FR1415853A (en) Liquid level indicator
FR1425478A (en) Liquid level indicator
FR1419367A (en) Liquid level indicator
FR1454265A (en) Medium level indicator of a liquid
FR1543058A (en) Device for indicating the level of a liquid
FR1540668A (en) Liquid level indicator