FR2461933B1 - - Google Patents

Info

Publication number
FR2461933B1
FR2461933B1 FR8015309A FR8015309A FR2461933B1 FR 2461933 B1 FR2461933 B1 FR 2461933B1 FR 8015309 A FR8015309 A FR 8015309A FR 8015309 A FR8015309 A FR 8015309A FR 2461933 B1 FR2461933 B1 FR 2461933B1
Authority
FR
France
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
FR8015309A
Other languages
French (fr)
Other versions
FR2461933A1 (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.)
Alkem GmbH
Original Assignee
Alkem GmbH
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 Alkem GmbH filed Critical Alkem GmbH
Publication of FR2461933A1 publication Critical patent/FR2461933A1/en
Application granted granted Critical
Publication of FR2461933B1 publication Critical patent/FR2461933B1/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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • 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
    • G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
FR8015309A 1979-07-16 1980-07-09 LEVEL MEASURING DEVICE FOR MATERIAL CONTAINED IN RESERVOIRS LOCATED IN PROTECTIVE CHAMBERS PROHIBITED FOR THE CIRCULATION OF PERSONNEL, IN PARTICULAR FOR THE TREATMENT OF NUCLEAR FUELS Granted FR2461933A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792928718 DE2928718A1 (en) 1979-07-16 1979-07-16 LEVEL MEASURING DEVICE

Publications (2)

Publication Number Publication Date
FR2461933A1 FR2461933A1 (en) 1981-02-06
FR2461933B1 true FR2461933B1 (en) 1984-12-14

Family

ID=6075864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8015309A Granted FR2461933A1 (en) 1979-07-16 1980-07-09 LEVEL MEASURING DEVICE FOR MATERIAL CONTAINED IN RESERVOIRS LOCATED IN PROTECTIVE CHAMBERS PROHIBITED FOR THE CIRCULATION OF PERSONNEL, IN PARTICULAR FOR THE TREATMENT OF NUCLEAR FUELS

Country Status (5)

Country Link
JP (1) JPS5618725A (en)
BE (1) BE883955A (en)
DE (1) DE2928718A1 (en)
FR (1) FR2461933A1 (en)
GB (1) GB2054895B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411083C2 (en) * 1984-03-26 1986-10-30 BFW Ditschun GmbH Büro für Wärmemeßtechnik, 4800 Bielefeld Device for reading on heat cost allocators
GB2205968A (en) * 1987-06-15 1988-12-21 Edward Loughran Remote viewing optical fibre cable systems
GB8828761D0 (en) * 1988-12-09 1989-01-18 Seetru Ltd Supplement to liquid level gauge adapted to close circuit television viewing
AU3597701A (en) * 2000-01-31 2001-08-14 Francisco J. Desa Pinto Manual and electronic scales to measure volume of contents in liquor bottles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265584A (en) * 1963-11-13 1966-08-09 Richard C Cooper Nuclear reactor viewing system
FR1446499A (en) * 1965-06-12 1966-07-22 Optical device for distant optical measurements in a closed chamber, under pressure
US3466928A (en) * 1967-09-15 1969-09-16 Gen Motors Corp Fiber optic liquid level indicator
DE1964495A1 (en) * 1969-12-23 1971-07-01 Siemens Ag Fibre optical light guide extension to inspec - tion endoscope
DE2154405A1 (en) * 1970-10-28 1972-05-04 East Bristol Eng Ltd Device for monitoring a liquid level
GB2012447A (en) * 1977-12-06 1979-07-25 Moskov Inzh I Remote Viewing of Objects

Also Published As

Publication number Publication date
GB2054895A (en) 1981-02-18
BE883955A (en) 1980-10-16
DE2928718A1 (en) 1981-02-12
FR2461933A1 (en) 1981-02-06
GB2054895B (en) 1983-06-08
JPS5618725A (en) 1981-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse