ATE14242T1 - Fluessigkeitsstand-messgeraet. - Google Patents

Fluessigkeitsstand-messgeraet.

Info

Publication number
ATE14242T1
ATE14242T1 AT81303296T AT81303296T ATE14242T1 AT E14242 T1 ATE14242 T1 AT E14242T1 AT 81303296 T AT81303296 T AT 81303296T AT 81303296 T AT81303296 T AT 81303296T AT E14242 T1 ATE14242 T1 AT E14242T1
Authority
AT
Austria
Prior art keywords
flexure
phase
liquid
elongate members
transmitting means
Prior art date
Application number
AT81303296T
Other languages
English (en)
Inventor
Roger Martin Langdon
Original Assignee
Marconi Co 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of ATE14242T1 publication Critical patent/ATE14242T1/de

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
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AT81303296T 1981-07-17 1981-07-17 Fluessigkeitsstand-messgeraet. ATE14242T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81303296A EP0070334B1 (de) 1981-07-17 1981-07-17 Flüssigkeitsstand-Messgerät

Publications (1)

Publication Number Publication Date
ATE14242T1 true ATE14242T1 (de) 1985-07-15

Family

ID=8188352

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81303296T ATE14242T1 (de) 1981-07-17 1981-07-17 Fluessigkeitsstand-messgeraet.

Country Status (3)

Country Link
EP (1) EP0070334B1 (de)
AT (1) ATE14242T1 (de)
DE (1) DE3171309D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8705757D0 (en) * 1987-03-11 1987-04-15 Schlumberger Electronics Uk Fluid transducer
DE59712760D1 (de) * 1997-09-22 2006-12-14 Endress & Hauser Gmbh & Co Kg Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter
DE102012100728A1 (de) * 2012-01-30 2013-08-01 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595194A (en) * 1977-09-13 1981-08-12 Marconi Co Ltd Liquid level sensing device

Also Published As

Publication number Publication date
EP0070334A1 (de) 1983-01-26
EP0070334B1 (de) 1985-07-10
DE3171309D1 (en) 1985-08-14

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee