FR2274903A1 - Dispositif de detection du niveau d'un liquide par variation du facteur de qualite d'une inductance - Google Patents

Dispositif de detection du niveau d'un liquide par variation du facteur de qualite d'une inductance

Info

Publication number
FR2274903A1
FR2274903A1 FR7518752A FR7518752A FR2274903A1 FR 2274903 A1 FR2274903 A1 FR 2274903A1 FR 7518752 A FR7518752 A FR 7518752A FR 7518752 A FR7518752 A FR 7518752A FR 2274903 A1 FR2274903 A1 FR 2274903A1
Authority
FR
France
Prior art keywords
inductance
liquid
pipe
close
remote
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.)
Granted
Application number
FR7518752A
Other languages
English (en)
French (fr)
Other versions
FR2274903B1 (https=
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co Inc
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 PR Mallory and Co Inc filed Critical PR Mallory and Co Inc
Publication of FR2274903A1 publication Critical patent/FR2274903A1/fr
Application granted granted Critical
Publication of FR2274903B1 publication Critical patent/FR2274903B1/fr
Granted 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Level Indicators Using A Float (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7518752A 1974-06-17 1975-06-16 Dispositif de detection du niveau d'un liquide par variation du facteur de qualite d'une inductance Granted FR2274903A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48005274A 1974-06-17 1974-06-17

Publications (2)

Publication Number Publication Date
FR2274903A1 true FR2274903A1 (fr) 1976-01-09
FR2274903B1 FR2274903B1 (https=) 1977-12-02

Family

ID=23906484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518752A Granted FR2274903A1 (fr) 1974-06-17 1975-06-16 Dispositif de detection du niveau d'un liquide par variation du facteur de qualite d'une inductance

Country Status (10)

Country Link
JP (1) JPS5133665A (https=)
AU (1) AU8192875A (https=)
BR (1) BR7503696A (https=)
CA (1) CA1070409A (https=)
DE (1) DE2526860A1 (https=)
DK (1) DK265975A (https=)
ES (1) ES438653A1 (https=)
FR (1) FR2274903A1 (https=)
IT (1) IT1036307B (https=)
NO (1) NO752160L (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5560801A (en) * 1978-10-31 1980-05-08 Toshiba Corp Displacement detector
DE102005010351B4 (de) * 2005-02-17 2012-08-16 Sie Sensorik Industrie-Elektronik Gmbh Sensoren zur Abfrage von Füllständen sowie zur Leitwertanalyse von leitfähigen Flüssigkeiten und Verfahren hierzu
DE102018107450A1 (de) * 2018-03-28 2019-10-02 Endress+Hauser Flowtec Ag Vorrichtung zur Bestimmung eines Füllstands einer Flüssigkeit in einem Messrohr, und Durchflussmessgerät mit einer solchen Vorrichtung

Also Published As

Publication number Publication date
NO752160L (https=) 1975-12-18
DK265975A (da) 1975-12-18
AU8192875A (en) 1976-12-16
IT1036307B (it) 1979-10-30
BR7503696A (pt) 1976-06-29
CA1070409A (en) 1980-01-22
ES438653A1 (es) 1977-06-16
JPS5133665A (https=) 1976-03-22
DE2526860A1 (de) 1976-02-05
FR2274903B1 (https=) 1977-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse