FR1061145A - Level indicator for liquids - Google Patents

Level indicator for liquids

Info

Publication number
FR1061145A
FR1061145A FR1061145DA FR1061145A FR 1061145 A FR1061145 A FR 1061145A FR 1061145D A FR1061145D A FR 1061145DA FR 1061145 A FR1061145 A FR 1061145A
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
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.)
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 FR1061145A publication Critical patent/FR1061145A/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
    • G01F23/2924—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)
FR1061145D 1951-09-27 1952-07-31 Level indicator for liquids Expired FR1061145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1061145X 1951-09-27

Publications (1)

Publication Number Publication Date
FR1061145A true FR1061145A (en) 1954-04-08

Family

ID=10871354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1061145D Expired FR1061145A (en) 1951-09-27 1952-07-31 Level indicator for liquids

Country Status (1)

Country Link
FR (1) FR1061145A (en)

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