GB1194694A - Ultrasonic Liquid/Fluid Interface Locating Apparatus and Method - Google Patents

Ultrasonic Liquid/Fluid Interface Locating Apparatus and Method

Info

Publication number
GB1194694A
GB1194694A GB3289867A GB3289867A GB1194694A GB 1194694 A GB1194694 A GB 1194694A GB 3289867 A GB3289867 A GB 3289867A GB 3289867 A GB3289867 A GB 3289867A GB 1194694 A GB1194694 A GB 1194694A
Authority
GB
United Kingdom
Prior art keywords
fluid
amplifier
housing
unity
wafers
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
Application number
GB3289867A
Other languages
English (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.)
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 GB1194694A publication Critical patent/GB1194694A/en
Expired 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)
GB3289867A 1966-07-18 1967-07-18 Ultrasonic Liquid/Fluid Interface Locating Apparatus and Method Expired GB1194694A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1194694A true GB1194694A (en) 1970-06-10

Family

ID=24260380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3289867A Expired GB1194694A (en) 1966-07-18 1967-07-18 Ultrasonic Liquid/Fluid Interface Locating Apparatus and Method

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984000210A1 (en) * 1982-06-28 1984-01-19 Baxter Travenol Lab Ultrasonic level detector
FR2543677A1 (fr) * 1983-03-30 1984-10-05 Atomic Energy Authority Uk Procede et capteur de detection d'une interface d'un liquide par ultrasons
GB2179738A (en) * 1985-08-20 1987-03-11 Formula Systems Ltd Fluid level responsive apparatus

Families Citing this family (2)

* 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.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984000210A1 (en) * 1982-06-28 1984-01-19 Baxter Travenol Lab Ultrasonic level detector
FR2543677A1 (fr) * 1983-03-30 1984-10-05 Atomic Energy Authority Uk Procede et capteur de detection d'une interface d'un liquide par ultrasons
GB2179738A (en) * 1985-08-20 1987-03-11 Formula Systems Ltd Fluid level responsive apparatus
GB2179738B (en) * 1985-08-20 1989-08-09 Formula Systems Ltd Fluid level responsive apparatus

Also Published As

Publication number Publication date
DE1648997A1 (de) 1971-06-16
BE701491A (enExample) 1968-01-18
DE1648997B2 (de) 1976-09-16
JPS5144417B1 (enExample) 1976-11-29
JPS5427748B1 (enExample) 1979-09-12
NL6709933A (enExample) 1968-01-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
429A Application made for amendment of specification (sect. 29/1949)
429C Application to amend the specification withdrawn (sect. 29/1949)
PE20 Patent expired after termination of 20 years