GB2247531B - Improvements in or relating to liquid level measuring devices - Google Patents

Improvements in or relating to liquid level measuring devices

Info

Publication number
GB2247531B
GB2247531B GB9115449A GB9115449A GB2247531B GB 2247531 B GB2247531 B GB 2247531B GB 9115449 A GB9115449 A GB 9115449A GB 9115449 A GB9115449 A GB 9115449A GB 2247531 B GB2247531 B GB 2247531B
Authority
GB
United Kingdom
Prior art keywords
relating
liquid level
measuring devices
level measuring
devices
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 - Fee Related
Application number
GB9115449A
Other versions
GB2247531A (en
GB9115449D0 (en
Inventor
Robert Muir Thomson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9115449D0 publication Critical patent/GB9115449D0/en
Publication of GB2247531A publication Critical patent/GB2247531A/en
Application granted granted Critical
Publication of GB2247531B publication Critical patent/GB2247531B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • 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
    • G01F23/14Indicating 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 measurement of pressure
    • G01F23/18Indicating, recording or alarm devices actuated electrically

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB9115449A 1990-07-18 1991-07-18 Improvements in or relating to liquid level measuring devices Expired - Fee Related GB2247531B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909015787A GB9015787D0 (en) 1990-07-18 1990-07-18 Hydrostatic liquid level measurement with density correction

Publications (3)

Publication Number Publication Date
GB9115449D0 GB9115449D0 (en) 1991-09-04
GB2247531A GB2247531A (en) 1992-03-04
GB2247531B true GB2247531B (en) 1994-03-30

Family

ID=10679273

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909015787A Pending GB9015787D0 (en) 1990-07-18 1990-07-18 Hydrostatic liquid level measurement with density correction
GB9115449A Expired - Fee Related GB2247531B (en) 1990-07-18 1991-07-18 Improvements in or relating to liquid level measuring devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909015787A Pending GB9015787D0 (en) 1990-07-18 1990-07-18 Hydrostatic liquid level measurement with density correction

Country Status (1)

Country Link
GB (2) GB9015787D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19724550A1 (en) * 1997-06-11 1998-12-17 Martin Foerster Device for feeding pet food
CN104880233A (en) * 2015-06-12 2015-09-02 武汉理工大学 Novel system and method for detecting material level of chute of car dumper
CN112629491B (en) * 2021-01-21 2022-10-25 中铁上海设计院集团有限公司 Calculation method for railway monitoring elevation fluctuation considering temperature error

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669309A (en) * 1980-09-19 1987-06-02 Tankmaster Limited Tank contents gauge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669309A (en) * 1980-09-19 1987-06-02 Tankmaster Limited Tank contents gauge

Also Published As

Publication number Publication date
GB2247531A (en) 1992-03-04
GB9115449D0 (en) 1991-09-04
GB9015787D0 (en) 1990-09-05

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Legal Events

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

Effective date: 19950718