FR1051370A - Indicateur de niveau pour liquides - Google Patents

Indicateur de niveau pour liquides

Info

Publication number
FR1051370A
FR1051370A FR1051370DA FR1051370A FR 1051370 A FR1051370 A FR 1051370A FR 1051370D A FR1051370D A FR 1051370DA FR 1051370 A FR1051370 A FR 1051370A
Authority
FR
France
Prior art keywords
liquids
level indicator
indicator
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
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.)
Oldham Crompton Batteries Ltd
Original Assignee
Oldham Crompton Batteries 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 Oldham Crompton Batteries Ltd filed Critical Oldham Crompton Batteries Ltd
Application granted granted Critical
Publication of FR1051370A publication Critical patent/FR1051370A/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
    • G01F23/2924—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms for several discrete levels, e.g. with more than one light-conducting sensing element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR1051370D 1950-10-24 1951-10-23 Indicateur de niveau pour liquides Expired FR1051370A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1051370X 1950-10-24

Publications (1)

Publication Number Publication Date
FR1051370A true FR1051370A (fr) 1954-01-15

Family

ID=10870592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1051370D Expired FR1051370A (fr) 1950-10-24 1951-10-23 Indicateur de niveau pour liquides

Country Status (1)

Country Link
FR (1) FR1051370A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273267A (en) * 1965-10-22 1966-09-20 Mc Graw Edison Co Water level indicator for electric iron
US3543581A (en) * 1969-02-06 1970-12-01 Illinois Tool Works Liquid level indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273267A (en) * 1965-10-22 1966-09-20 Mc Graw Edison Co Water level indicator for electric iron
US3543581A (en) * 1969-02-06 1970-12-01 Illinois Tool Works Liquid level indicator

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