DE1648997B2 - Verfahren und vorrichtung zum nachweis von fluessigkeits-fluid-grenzflaechen - Google Patents

Verfahren und vorrichtung zum nachweis von fluessigkeits-fluid-grenzflaechen

Info

Publication number
DE1648997B2
DE1648997B2 DE1967N0030923 DEN0030923A DE1648997B2 DE 1648997 B2 DE1648997 B2 DE 1648997B2 DE 1967N0030923 DE1967N0030923 DE 1967N0030923 DE N0030923 A DEN0030923 A DE N0030923A DE 1648997 B2 DE1648997 B2 DE 1648997B2
Authority
DE
Germany
Prior art keywords
housing
signal
liquid
transmitter
receiver
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
DE1967N0030923
Other languages
German (de)
English (en)
Other versions
DE1648997A1 (de
Inventor
Irwin Sydney East Meadow; Adams George Leslie Bayshore; N.Y. Landow (V.StA.)
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.)
National Sonics Corp
Original Assignee
National Sonics Corp
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 National Sonics Corp filed Critical National Sonics Corp
Publication of DE1648997A1 publication Critical patent/DE1648997A1/de
Publication of DE1648997B2 publication Critical patent/DE1648997B2/de
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
    • G01F23/2961—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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE1967N0030923 1966-07-18 1967-07-18 Verfahren und vorrichtung zum nachweis von fluessigkeits-fluid-grenzflaechen Granted DE1648997B2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE1648997A1 DE1648997A1 (de) 1971-06-16
DE1648997B2 true DE1648997B2 (de) 1976-09-16

Family

ID=24260380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1967N0030923 Granted DE1648997B2 (de) 1966-07-18 1967-07-18 Verfahren und vorrichtung zum nachweis von fluessigkeits-fluid-grenzflaechen

Country Status (5)

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

Cited By (1)

* 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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* 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

Also Published As

Publication number Publication date
DE1648997A1 (de) 1971-06-16
NL6709933A (cs) 1968-01-19
JPS5427748B1 (cs) 1979-09-12
BE701491A (cs) 1968-01-18
JPS5144417B1 (cs) 1976-11-29
GB1194694A (en) 1970-06-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977