GB2265005B - Liquid-level gauging - Google Patents

Liquid-level gauging

Info

Publication number
GB2265005B
GB2265005B GB9304579A GB9304579A GB2265005B GB 2265005 B GB2265005 B GB 2265005B GB 9304579 A GB9304579 A GB 9304579A GB 9304579 A GB9304579 A GB 9304579A GB 2265005 B GB2265005 B GB 2265005B
Authority
GB
United Kingdom
Prior art keywords
liquid
level gauging
gauging
level
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 - Lifetime
Application number
GB9304579A
Other versions
GB9304579D0 (en
GB2265005A (en
Inventor
David Sinclair
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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
Priority claimed from GB929205148A external-priority patent/GB9205148D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB9304579A priority Critical patent/GB2265005B/en
Publication of GB9304579D0 publication Critical patent/GB9304579D0/en
Publication of GB2265005A publication Critical patent/GB2265005A/en
Application granted granted Critical
Publication of GB2265005B publication Critical patent/GB2265005B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F23/2968—Transducers specially adapted for acoustic level indicators
    • 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
    • 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 Levels Of Liquids Or Fluent Solid Materials (AREA)
GB9304579A 1992-03-10 1993-03-05 Liquid-level gauging Expired - Lifetime GB2265005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9304579A GB2265005B (en) 1992-03-10 1993-03-05 Liquid-level gauging

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929205148A GB9205148D0 (en) 1992-03-10 1992-03-10 Liquid level gauging
GB9304579A GB2265005B (en) 1992-03-10 1993-03-05 Liquid-level gauging

Publications (3)

Publication Number Publication Date
GB9304579D0 GB9304579D0 (en) 1993-04-21
GB2265005A GB2265005A (en) 1993-09-15
GB2265005B true GB2265005B (en) 1995-06-21

Family

ID=26300473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304579A Expired - Lifetime GB2265005B (en) 1992-03-10 1993-03-05 Liquid-level gauging

Country Status (1)

Country Link
GB (1) GB2265005B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104428640A (en) * 2012-07-12 2015-03-18 大陆汽车有限责任公司 Method and device for determining a height of a fluid level in a fluid container

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9520235D0 (en) * 1995-10-04 1995-12-06 Smiths Industries Plc Fluid quantity gauging systems
GB9800533D0 (en) * 1998-01-13 1998-03-11 Saw Technologies Ltd Method and apparatus for detecting an interface
GB9817454D0 (en) * 1998-08-12 1998-10-07 Smiths Industries Plc Fluid-gauging systems
DE19932344A1 (en) * 1999-07-10 2001-01-11 Sonotec Dr Zur Horst Meyer & M Arrangement for continuous level measurement in fuel tanks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104428640A (en) * 2012-07-12 2015-03-18 大陆汽车有限责任公司 Method and device for determining a height of a fluid level in a fluid container

Also Published As

Publication number Publication date
GB9304579D0 (en) 1993-04-21
GB2265005A (en) 1993-09-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20111222 AND 20111223

PE20 Patent expired after termination of 20 years

Expiry date: 20130304