GB2112929B - Fibre optic level gauge and valve head for pressurized vessels - Google Patents

Fibre optic level gauge and valve head for pressurized vessels

Info

Publication number
GB2112929B
GB2112929B GB08139074A GB8139074A GB2112929B GB 2112929 B GB2112929 B GB 2112929B GB 08139074 A GB08139074 A GB 08139074A GB 8139074 A GB8139074 A GB 8139074A GB 2112929 B GB2112929 B GB 2112929B
Authority
GB
United Kingdom
Prior art keywords
level gauge
valve head
fibre optic
pressurized vessels
optic 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
GB08139074A
Other versions
GB2112929A (en
Inventor
Nigel A Heard
Francis H Houghton
George R Robertson
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 GB08139074A priority Critical patent/GB2112929B/en
Priority to CA000417142A priority patent/CA1190762A/en
Publication of GB2112929A publication Critical patent/GB2112929A/en
Application granted granted Critical
Publication of GB2112929B publication Critical patent/GB2112929B/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
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
GB08139074A 1981-12-30 1981-12-30 Fibre optic level gauge and valve head for pressurized vessels Expired GB2112929B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08139074A GB2112929B (en) 1981-12-30 1981-12-30 Fibre optic level gauge and valve head for pressurized vessels
CA000417142A CA1190762A (en) 1981-12-30 1982-12-07 Fibre optic level gauge and valve head provided with a fibre optic level gauge, for pressure vessels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08139074A GB2112929B (en) 1981-12-30 1981-12-30 Fibre optic level gauge and valve head for pressurized vessels

Publications (2)

Publication Number Publication Date
GB2112929A GB2112929A (en) 1983-07-27
GB2112929B true GB2112929B (en) 1985-08-29

Family

ID=10526882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08139074A Expired GB2112929B (en) 1981-12-30 1981-12-30 Fibre optic level gauge and valve head for pressurized vessels

Country Status (2)

Country Link
CA (1) CA1190762A (en)
GB (1) GB2112929B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409003A1 (en) * 1983-06-16 1984-12-20 Shipley Co., Inc., Newton, Mass. MEASURING PROBE FOR MEASURING THE METALION CONCENTRATION
GB2176290A (en) * 1985-05-03 1986-12-17 Grampian Regional Council Apparatus for monitoring fluid level
US4782226A (en) * 1987-07-06 1988-11-01 Semi-Gas Systems, Inc. Optoelectronic chemical reaction detector
FR2623624B1 (en) * 1987-11-19 1990-08-10 Telemecanique Electrique METHOD AND DEVICE FOR DETERMINING THE FLOW CHARACTERISTICS OF A MATERIAL WITHIN A MOLD, DURING A MOLDING PROCESS
US4870292A (en) * 1988-03-15 1989-09-26 Focal Marine Limited Fibre optic sensor for liquid level and other parameters
US4942306A (en) * 1988-12-30 1990-07-17 Focal Technologies Incorporated Fibre optic sensor for the continuous measurement liquids level and other parameters
GB2550149A (en) * 2016-05-10 2017-11-15 Linde Ag A cylinder for pressurised liquefied gas and a method of calculating the liquid level

Also Published As

Publication number Publication date
GB2112929A (en) 1983-07-27
CA1190762A (en) 1985-07-23

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Legal Events

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