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FR2436371B3 - UNIVERSAL LEVEL INDICATOR, RESONANCE TYPE - Google Patents

UNIVERSAL LEVEL INDICATOR, RESONANCE TYPE

Info

Publication number
FR2436371B3
FR2436371B3 FR7917465A FR7917465A FR2436371B3 FR 2436371 B3 FR2436371 B3 FR 2436371B3 FR 7917465 A FR7917465 A FR 7917465A FR 7917465 A FR7917465 A FR 7917465A FR 2436371 B3 FR2436371 B3 FR 2436371B3
Authority
FR
France
Prior art keywords
level indicator
resonance type
universal level
universal
resonance
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
FR7917465A
Other languages
French (fr)
Other versions
FR2436371A1 (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.)
ENERGOINVEST
Original Assignee
ENERGOINVEST
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 ENERGOINVEST filed Critical ENERGOINVEST
Publication of FR2436371A1 publication Critical patent/FR2436371A1/en
Application granted granted Critical
Publication of FR2436371B3 publication Critical patent/FR2436371B3/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
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels

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)
FR7917465A 1978-07-06 1979-07-05 UNIVERSAL LEVEL INDICATOR, RESONANCE TYPE Expired FR2436371B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU161278A YU161278A (en) 1978-07-06 1978-07-06 Universal resonance level signaling device

Publications (2)

Publication Number Publication Date
FR2436371A1 FR2436371A1 (en) 1980-04-11
FR2436371B3 true FR2436371B3 (en) 1982-02-12

Family

ID=25554872

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7917465A Expired FR2436371B3 (en) 1978-07-06 1979-07-05 UNIVERSAL LEVEL INDICATOR, RESONANCE TYPE

Country Status (4)

Country Link
DE (1) DE2927093A1 (en)
FR (1) FR2436371B3 (en)
GB (1) GB2027210A (en)
YU (1) YU161278A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956606A (en) * 1984-10-17 1990-09-11 Mine Safety Appliances Company Non-contact inductive distance measuring system with temperature compensation
WO1989001135A1 (en) * 1987-07-30 1989-02-09 Allied-Signal Inc. Sensor and method for detecting levels of conductive liquids
US4912407A (en) * 1987-07-30 1990-03-27 Allied-Signal Inc. Non-contacting inductively coupled displacement sensor system for detecting levels of conductive, non-magnetic liquids, and method of detecting levels of such liquids
DE102008027921B4 (en) * 2008-06-12 2011-11-10 Ifm Electronic Gmbh Admittance measuring device for a level sensor

Also Published As

Publication number Publication date
GB2027210A (en) 1980-02-13
DE2927093A1 (en) 1980-01-17
FR2436371A1 (en) 1980-04-11
YU161278A (en) 1982-10-31

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