FR2391456B1 - - Google Patents

Info

Publication number
FR2391456B1
FR2391456B1 FR7814409A FR7814409A FR2391456B1 FR 2391456 B1 FR2391456 B1 FR 2391456B1 FR 7814409 A FR7814409 A FR 7814409A FR 7814409 A FR7814409 A FR 7814409A FR 2391456 B1 FR2391456 B1 FR 2391456B1
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
FR7814409A
Other languages
French (fr)
Other versions
FR2391456A1 (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.)
Hach Lange SARL
Original Assignee
Zuellig AG
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 Zuellig AG filed Critical Zuellig AG
Publication of FR2391456A1 publication Critical patent/FR2391456A1/en
Application granted granted Critical
Publication of FR2391456B1 publication Critical patent/FR2391456B1/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
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR7814409A 1977-05-17 1978-05-16 METHOD AND DEVICE FOR MEASURING FILLING DISTANCES OR HEIGHTS BY ACOUSTIC SOUNDING IN A GASEOUS FLUID BY MEANS OF SOUND WAVES Granted FR2391456A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH611977A CH619789A5 (en) 1977-05-17 1977-05-17 Device for measuring distances, particularly for determining a filling level, by echo sounding by means of sound waves in a gaseous medium

Publications (2)

Publication Number Publication Date
FR2391456A1 FR2391456A1 (en) 1978-12-15
FR2391456B1 true FR2391456B1 (en) 1980-07-18

Family

ID=4304579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814409A Granted FR2391456A1 (en) 1977-05-17 1978-05-16 METHOD AND DEVICE FOR MEASURING FILLING DISTANCES OR HEIGHTS BY ACOUSTIC SOUNDING IN A GASEOUS FLUID BY MEANS OF SOUND WAVES

Country Status (4)

Country Link
AT (1) AT367545B (en)
CH (1) CH619789A5 (en)
DE (1) DE2817247C3 (en)
FR (1) FR2391456A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2084322B (en) * 1980-09-18 1984-08-30 Avery Hardoll Ltd Fluid measuring system
DE3210470C2 (en) * 1982-03-22 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Ultrasonic sensor
DE3337690A1 (en) * 1983-10-17 1985-04-25 VEGA Grieshaber GmbH & Co, 7620 Wolfach Method and device for measuring the filling level in a container by means of sound/ultrasonic waves
DE3438045C2 (en) * 1983-11-04 1986-12-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Arrangement for signal transmission in ultrasonic echo sounders
FR2565345B1 (en) * 1984-05-29 1988-10-14 Renault DEVICE FOR ULTRASONIC MEASUREMENT OF THE LEVEL AND / OR VOLUME OF A LIQUID IN A CONTAINER
US4677305A (en) * 1985-06-28 1987-06-30 Simmonds Precision Products, Inc. Opto-acoustic fuel quantity gauging system
GB8607111D0 (en) * 1986-03-21 1986-04-30 Procontech Ltd Liquid level sensing
US4669310A (en) * 1986-03-26 1987-06-02 The Babcock & Wilcox Company High frequency ultrasonic technique for measuring oxide scale on the inner surface of boiler tubes
JPS6362673A (en) * 1986-09-01 1988-03-18 Speedfam Co Ltd Surface polishing machine associated with fixed dimension mechanism
DE3808099A1 (en) * 1988-03-11 1989-09-21 Ulrich Dr Opara Method for non-touching (contact-free) measurement of the inclination of a surface by means of ultrasound
GB201705184D0 (en) * 2017-03-31 2017-05-17 Sharman H D Ltd Monitoring apparatus for guttering systems
US11898892B2 (en) 2021-02-09 2024-02-13 Aloft Sensor Technologies LLC Devices, systems, and methods for measuring fluid level using radio-frequency (RF) localization
US11248946B1 (en) * 2021-02-09 2022-02-15 Aloft Sensor Technologies LLC Devices, systems, and methods for measuring fluid level using radio-frequency (RF) localization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE931378C (en) * 1952-12-19 1955-08-08 Atlas Werke Ag Device for measuring the standing height in containers by echo sounding
US2753542A (en) * 1953-09-03 1956-07-03 Bogue Elec Mfg Co Calibrated apparatus for measuring liquid levels
DE1211518B (en) * 1955-04-05 1966-02-24 Phil Nat Siegfried Fahrentholz Calibratable acoustic echo sounder device and method of using it
US3184969A (en) * 1963-06-10 1965-05-25 Gen Signal Corp Liquid level indication system
JPS4831863B1 (en) * 1965-03-08 1973-10-02
DE1958030A1 (en) * 1969-11-19 1971-05-19 Siemens Ag Ultrasound device
DE2313149A1 (en) * 1973-03-16 1974-09-19 Transfer Technik Gmbh PROCEDURE AND EQUIPMENT FOR ULRASONIC LENGTH MEASUREMENT
DE2444222B2 (en) * 1974-09-16 1977-09-01 A Ott, GmbH, 8960 Kempten METHOD AND DEVICE FOR CONTACTLESS MEASUREMENT OF LEVEL STANDARDS OR THE SAME
DE2515087C3 (en) * 1975-04-07 1979-10-18 Karl-Heinz Keuth Gmbh, 5414 Vallendar Device for the contactless determination of short distances in the measuring range of a tape measure

Also Published As

Publication number Publication date
CH619789A5 (en) 1980-10-15
AT367545B (en) 1982-07-12
DE2817247A1 (en) 1978-11-23
ATA285378A (en) 1981-11-15
FR2391456A1 (en) 1978-12-15
DE2817247C3 (en) 1981-08-20
DE2817247B2 (en) 1980-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse