GB9618905D0 - Fluid quantity gauging systems - Google Patents

Fluid quantity gauging systems

Info

Publication number
GB9618905D0
GB9618905D0 GBGB9618905.5A GB9618905A GB9618905D0 GB 9618905 D0 GB9618905 D0 GB 9618905D0 GB 9618905 A GB9618905 A GB 9618905A GB 9618905 D0 GB9618905 D0 GB 9618905D0
Authority
GB
United Kingdom
Prior art keywords
fluid quantity
gauging systems
quantity gauging
systems
fluid
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
GBGB9618905.5A
Other versions
GB2306004A (en
GB2306004B (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.)
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 GBGB9520235.4A external-priority patent/GB9520235D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB9618905A priority Critical patent/GB2306004B/en
Publication of GB9618905D0 publication Critical patent/GB9618905D0/en
Publication of GB2306004A publication Critical patent/GB2306004A/en
Application granted granted Critical
Publication of GB2306004B publication Critical patent/GB2306004B/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
    • G01F23/2962—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)
GB9618905A 1995-10-04 1996-09-10 Fluid quantity gauging systems Expired - Lifetime GB2306004B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9618905A GB2306004B (en) 1995-10-04 1996-09-10 Fluid quantity gauging systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9520235.4A GB9520235D0 (en) 1995-10-04 1995-10-04 Fluid quantity gauging systems
GB9618905A GB2306004B (en) 1995-10-04 1996-09-10 Fluid quantity gauging systems

Publications (3)

Publication Number Publication Date
GB9618905D0 true GB9618905D0 (en) 1996-10-23
GB2306004A GB2306004A (en) 1997-04-23
GB2306004B GB2306004B (en) 1999-09-15

Family

ID=26307875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9618905A Expired - Lifetime GB2306004B (en) 1995-10-04 1996-09-10 Fluid quantity gauging systems

Country Status (1)

Country Link
GB (1) GB2306004B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715226A (en) * 1986-08-15 1987-12-29 Xecutek Corporation Ultrasonic apparatus for determining the amount of liquid in a container of known volume

Also Published As

Publication number Publication date
GB2306004A (en) 1997-04-23
GB2306004B (en) 1999-09-15

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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: 20160909