GB2121175B - Liquid level measurement - Google Patents

Liquid level measurement

Info

Publication number
GB2121175B
GB2121175B GB08215997A GB8215997A GB2121175B GB 2121175 B GB2121175 B GB 2121175B GB 08215997 A GB08215997 A GB 08215997A GB 8215997 A GB8215997 A GB 8215997A GB 2121175 B GB2121175 B GB 2121175B
Authority
GB
United Kingdom
Prior art keywords
liquid level
level measurement
measurement
liquid
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
Application number
GB08215997A
Other versions
GB2121175A (en
Inventor
Edgar Charles Trevelyan
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to GB08215997A priority Critical patent/GB2121175B/en
Publication of GB2121175A publication Critical patent/GB2121175A/en
Application granted granted Critical
Publication of GB2121175B publication Critical patent/GB2121175B/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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB08215997A 1982-06-01 1982-06-01 Liquid level measurement Expired GB2121175B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08215997A GB2121175B (en) 1982-06-01 1982-06-01 Liquid level measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08215997A GB2121175B (en) 1982-06-01 1982-06-01 Liquid level measurement

Publications (2)

Publication Number Publication Date
GB2121175A GB2121175A (en) 1983-12-14
GB2121175B true GB2121175B (en) 1985-09-18

Family

ID=10530779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215997A Expired GB2121175B (en) 1982-06-01 1982-06-01 Liquid level measurement

Country Status (1)

Country Link
GB (1) GB2121175B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560679A1 (en) * 1984-03-01 1985-09-06 Mors Electricite Level gauge for liquid tank, particularly for an aircraft
JPH03501051A (en) * 1988-03-22 1991-03-07 コナックス　バッファロウ　コーポレーション optical liquid level sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548657A (en) * 1967-11-30 1970-12-22 Maria Panerai Device for an outside display of the level of a liquid contained within a tank
GB2002905A (en) * 1977-07-27 1979-02-28 Northern Eng Ind Liquid level indicator apparatus
GB2029005B (en) * 1978-08-03 1983-01-12 Marconi Co Ltd Fluid level inidicators

Also Published As

Publication number Publication date
GB2121175A (en) 1983-12-14

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Legal Events

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

Effective date: 19930601