GB9421425D0 - Utrasonic liquid sensing method and apparatus - Google Patents

Utrasonic liquid sensing method and apparatus

Info

Publication number
GB9421425D0
GB9421425D0 GB9421425A GB9421425A GB9421425D0 GB 9421425 D0 GB9421425 D0 GB 9421425D0 GB 9421425 A GB9421425 A GB 9421425A GB 9421425 A GB9421425 A GB 9421425A GB 9421425 D0 GB9421425 D0 GB 9421425D0
Authority
GB
United Kingdom
Prior art keywords
utrasonic
sensing method
liquid sensing
liquid
utrasonic liquid
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
GB9421425A
Other versions
GB2284053A (en
GB2284053B (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.)
CANONGATE TECHNOLOGY Ltd
Original Assignee
CANONGATE TECHNOLOGY Ltd
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 CANONGATE TECHNOLOGY Ltd filed Critical CANONGATE TECHNOLOGY Ltd
Publication of GB9421425D0 publication Critical patent/GB9421425D0/en
Publication of GB2284053A publication Critical patent/GB2284053A/en
Application granted granted Critical
Publication of GB2284053B publication Critical patent/GB2284053B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/296Acoustic waves
    • G01F23/2961Acoustic waves for discrete levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/296Acoustic waves
    • G01F23/2966Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967Acoustic waves making use of acoustical resonance or standing waves for discrete levels
GB9421425A 1993-10-25 1994-10-25 Ultrasonic liquid sensing method and apparatus Expired - Fee Related GB2284053B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939321942A GB9321942D0 (en) 1993-10-25 1993-10-25 Ultrasonic liquid sensing method and apparatus

Publications (3)

Publication Number Publication Date
GB9421425D0 true GB9421425D0 (en) 1994-12-07
GB2284053A GB2284053A (en) 1995-05-24
GB2284053B GB2284053B (en) 1997-06-18

Family

ID=10744062

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939321942A Pending GB9321942D0 (en) 1993-10-25 1993-10-25 Ultrasonic liquid sensing method and apparatus
GB9421425A Expired - Fee Related GB2284053B (en) 1993-10-25 1994-10-25 Ultrasonic liquid sensing method and apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939321942A Pending GB9321942D0 (en) 1993-10-25 1993-10-25 Ultrasonic liquid sensing method and apparatus

Country Status (1)

Country Link
GB (2) GB9321942D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538680C2 (en) * 1995-10-17 1998-10-08 Endress Hauser Gmbh Co Arrangement for monitoring a predetermined fill level of a liquid in a container
GB9700585D0 (en) * 1997-01-14 1997-03-05 Smiths Industries Ltd Fluid detector
US9957794B2 (en) 2014-05-21 2018-05-01 Weatherford Technology Holdings, Llc Dart detector for wellbore tubular cementation
DE102014113470A1 (en) * 2014-09-18 2016-03-24 Maschinenfabrik Reinhausen Gmbh Electric device with a housing filled with insulating oil and measuring device and method for monitoring such an electrical device
WO2020102631A1 (en) 2018-11-16 2020-05-22 Infinite Automated Solutions Llc Apparatus, systems, and methods for automated separation of sand from a wellbore slurry
EP3822660A1 (en) 2019-11-13 2021-05-19 ABB Schweiz AG Integrity detection system for an ultrasound transducer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB826789A (en) * 1957-04-17 1960-01-20 Bailey Meters Controls Ltd Improvements in apparatus for indicating the level of a body of liquid
US4203324A (en) * 1977-08-05 1980-05-20 Joseph Baumoel Sonic liquid level detector
US4144517A (en) * 1977-08-05 1979-03-13 Joseph Baumoel Single transducer liquid level detector
US4280126A (en) * 1979-05-14 1981-07-21 Chemetron Corporation Liquid level detector

Also Published As

Publication number Publication date
GB9321942D0 (en) 1993-12-15
GB2284053A (en) 1995-05-24
GB2284053B (en) 1997-06-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111025