LU67405A1 - - Google Patents

Info

Publication number
LU67405A1
LU67405A1 LU67405DA LU67405A1 LU 67405 A1 LU67405 A1 LU 67405A1 LU 67405D A LU67405D A LU 67405DA LU 67405 A1 LU67405 A1 LU 67405A1
Authority
LU
Luxembourg
Application number
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 filed Critical
Publication of LU67405A1 publication Critical patent/LU67405A1/xx

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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
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
LU67405D 1973-04-11 1973-04-11 LU67405A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU67405 1973-04-11

Publications (1)

Publication Number Publication Date
LU67405A1 true LU67405A1 (fr) 1973-06-18

Family

ID=19727309

Family Applications (1)

Application Number Title Priority Date Filing Date
LU67405D LU67405A1 (fr) 1973-04-11 1973-04-11

Country Status (1)

Country Link
LU (1) LU67405A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531530A1 (fr) * 1982-08-06 1984-02-10 Fayollet Roland Dispositif de detection optique d'un niveau de liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531530A1 (fr) * 1982-08-06 1984-02-10 Fayollet Roland Dispositif de detection optique d'un niveau de liquide
WO1984000811A1 (fr) * 1982-08-06 1984-03-01 Roland Fayollet Dispositif de detection optique d'un niveau de liquide

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