JPS5144417B1 - - Google Patents

Info

Publication number
JPS5144417B1
JPS5144417B1 JP42045897A JP4589767A JPS5144417B1 JP S5144417 B1 JPS5144417 B1 JP S5144417B1 JP 42045897 A JP42045897 A JP 42045897A JP 4589767 A JP4589767 A JP 4589767A JP S5144417 B1 JPS5144417 B1 JP S5144417B1
Authority
JP
Japan
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.)
Pending
Application number
JP42045897A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5144417B1 publication Critical patent/JPS5144417B1/ja
Pending 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
    • G01F23/2961—Acoustic waves 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
    • G01F23/22—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
    • 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
    • G01F23/2965—Measuring attenuation of transmitted waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP42045897A 1966-07-18 1967-07-18 Pending JPS5144417B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56585466A 1966-07-18 1966-07-18

Publications (1)

Publication Number Publication Date
JPS5144417B1 true JPS5144417B1 (enrdf_load_stackoverflow) 1976-11-29

Family

ID=24260380

Family Applications (2)

Application Number Title Priority Date Filing Date
JP42045897A Pending JPS5144417B1 (enrdf_load_stackoverflow) 1966-07-18 1967-07-18
JP5741074A Pending JPS5427748B1 (enrdf_load_stackoverflow) 1966-07-18 1974-05-23

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP5741074A Pending JPS5427748B1 (enrdf_load_stackoverflow) 1966-07-18 1974-05-23

Country Status (5)

Country Link
JP (2) JPS5144417B1 (enrdf_load_stackoverflow)
BE (1) BE701491A (enrdf_load_stackoverflow)
DE (1) DE1648997B2 (enrdf_load_stackoverflow)
GB (1) GB1194694A (enrdf_load_stackoverflow)
NL (1) NL6709933A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2911366A1 (de) * 1979-03-23 1980-10-02 Licentia Gmbh Verfahren und anordnung zur ueberwachung des fuellstandes des salzvorrats in der wasserenthaertungseinrichtung von geschirrspuel- oder waschmaschinen
NO150532C (no) * 1981-05-22 1984-10-31 Bjoern R Hope Anordning ved nivaamaaler.
US4432231A (en) * 1982-06-28 1984-02-21 Baxter Travenol Laboratories, Inc. Ultrasonic level detector
US4679430A (en) * 1983-03-30 1987-07-14 United Kingdom Atomic Energy Authority Ultrasonic liquid interface detector
GB8520793D0 (en) * 1985-08-20 1985-09-25 Formula Systems Ltd Liquid level responsive apparatus

Also Published As

Publication number Publication date
DE1648997B2 (de) 1976-09-16
BE701491A (enrdf_load_stackoverflow) 1968-01-18
NL6709933A (enrdf_load_stackoverflow) 1968-01-19
GB1194694A (en) 1970-06-10
DE1648997A1 (de) 1971-06-16
JPS5427748B1 (enrdf_load_stackoverflow) 1979-09-12

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