FR2492974A1 - Capteur optique de niveau - Google Patents

Capteur optique de niveau Download PDF

Info

Publication number
FR2492974A1
FR2492974A1 FR8022810A FR8022810A FR2492974A1 FR 2492974 A1 FR2492974 A1 FR 2492974A1 FR 8022810 A FR8022810 A FR 8022810A FR 8022810 A FR8022810 A FR 8022810A FR 2492974 A1 FR2492974 A1 FR 2492974A1
Authority
FR
France
Prior art keywords
level
tube
reflector
light beam
fluid
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
FR8022810A
Other languages
English (en)
French (fr)
Other versions
FR2492974B3 (enrdf_load_stackoverflow
Inventor
Hubert Fresard
Pierre Bretin
Didier Pretot
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.)
GEDITEC
Original Assignee
GEDITEC
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 GEDITEC filed Critical GEDITEC
Priority to FR8022810A priority Critical patent/FR2492974A1/fr
Publication of FR2492974A1 publication Critical patent/FR2492974A1/fr
Application granted granted Critical
Publication of FR2492974B3 publication Critical patent/FR2492974B3/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
    • G01F23/28—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
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/686—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FR8022810A 1980-10-24 1980-10-24 Capteur optique de niveau Granted FR2492974A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8022810A FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8022810A FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Publications (2)

Publication Number Publication Date
FR2492974A1 true FR2492974A1 (fr) 1982-04-30
FR2492974B3 FR2492974B3 (enrdf_load_stackoverflow) 1983-08-12

Family

ID=9247296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8022810A Granted FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Country Status (1)

Country Link
FR (1) FR2492974A1 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955169A3 (en) * 1993-05-26 2000-03-01 Canon Kabushiki Kaisha Ink jet recording apparatus
EP1180668A3 (de) * 2000-08-19 2003-01-02 MesSen Nord Gesellschaft für Mess-, Sensor- und Datentechnik mbH Gerät zum Prüfen der Dichtheit von Flüssigkeit aufnehmenden Bauwerken
EP1336369A1 (de) * 2002-02-15 2003-08-20 Miele & Cie. KG Programmgesteuerte Geschirrspülmaschine mit einer Überlaufsicherung
US6729711B1 (en) 1993-05-26 2004-05-04 Canon Kabushiki Kaisha Ink jet recording apparatus
US9322773B2 (en) 2011-06-07 2016-04-26 Measurement Specialties, Inc. Optical sensing device for fluid sensing and methods therefor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955169A3 (en) * 1993-05-26 2000-03-01 Canon Kabushiki Kaisha Ink jet recording apparatus
US6137503A (en) * 1993-05-26 2000-10-24 Canon Kabushiki Kaisha Ink jet recording apparatus
US6729711B1 (en) 1993-05-26 2004-05-04 Canon Kabushiki Kaisha Ink jet recording apparatus
EP1180668A3 (de) * 2000-08-19 2003-01-02 MesSen Nord Gesellschaft für Mess-, Sensor- und Datentechnik mbH Gerät zum Prüfen der Dichtheit von Flüssigkeit aufnehmenden Bauwerken
EP1336369A1 (de) * 2002-02-15 2003-08-20 Miele & Cie. KG Programmgesteuerte Geschirrspülmaschine mit einer Überlaufsicherung
US9322773B2 (en) 2011-06-07 2016-04-26 Measurement Specialties, Inc. Optical sensing device for fluid sensing and methods therefor
US9851295B2 (en) 2011-06-07 2017-12-26 Measurement Specialties, Inc. Optical devices for fluid sensing and methods therefor
US9964483B2 (en) 2011-06-07 2018-05-08 Measurement Specialties, Inc. Low-temperature safe sensor package and fluid properties sensor

Also Published As

Publication number Publication date
FR2492974B3 (enrdf_load_stackoverflow) 1983-08-12

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Legal Events

Date Code Title Description
ST Notification of lapse