FR2619445B1 - LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE - Google Patents

LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE

Info

Publication number
FR2619445B1
FR2619445B1 FR8711371A FR8711371A FR2619445B1 FR 2619445 B1 FR2619445 B1 FR 2619445B1 FR 8711371 A FR8711371 A FR 8711371A FR 8711371 A FR8711371 A FR 8711371A FR 2619445 B1 FR2619445 B1 FR 2619445B1
Authority
FR
France
Prior art keywords
level
detection device
translucent wall
tube
level detection
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 - Fee Related
Application number
FR8711371A
Other languages
French (fr)
Other versions
FR2619445A1 (en
Inventor
Richard Prulho
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.)
AUTOMATISME PRODUCTION SA
Original Assignee
AUTOMATISME PRODUCTION SA
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 AUTOMATISME PRODUCTION SA filed Critical AUTOMATISME PRODUCTION SA
Priority to FR8711371A priority Critical patent/FR2619445B1/en
Publication of FR2619445A1 publication Critical patent/FR2619445A1/en
Application granted granted Critical
Publication of FR2619445B1 publication Critical patent/FR2619445B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR8711371A 1987-08-10 1987-08-10 LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE Expired - Fee Related FR2619445B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8711371A FR2619445B1 (en) 1987-08-10 1987-08-10 LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711371A FR2619445B1 (en) 1987-08-10 1987-08-10 LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE

Publications (2)

Publication Number Publication Date
FR2619445A1 FR2619445A1 (en) 1989-02-17
FR2619445B1 true FR2619445B1 (en) 1992-04-03

Family

ID=9354065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8711371A Expired - Fee Related FR2619445B1 (en) 1987-08-10 1987-08-10 LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE

Country Status (1)

Country Link
FR (1) FR2619445B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212262B (en) * 1987-11-09 1992-07-22 Solinst Canada Ltd Liquid level detector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119532B (en) * 1958-05-30 1961-12-14 Helmut Schulz Method and device for level measurement in glass tubes using a photo cell
GB1359161A (en) * 1971-02-10 1974-07-10 Jobling & Co James A Liquid level detecting apparatus
DE2818264A1 (en) * 1977-04-29 1978-11-16 Temelec Ag Stans Monitor for continuous fluid flow through transparent tube - uses light detectors and differential amplifier flow disturbance detector
US4354180A (en) * 1980-12-19 1982-10-12 Genelco, Inc. Electro-optical liquid level sensor
US4631529A (en) * 1984-10-17 1986-12-23 Ivek Corporation Electro-optical fluid detector
IT206473Z2 (en) * 1985-12-20 1987-08-10 Hospal Dasco Spa SENSOR DEVICE FOR THE PRESENCE OF A LIQUID INSIDE A DUCT

Also Published As

Publication number Publication date
FR2619445A1 (en) 1989-02-17

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse