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GB2257792B - A method and a device for determining the positions of boundary layers - Google Patents

A method and a device for determining the positions of boundary layers

Info

Publication number
GB2257792B
GB2257792B GB9213796A GB9213796A GB2257792B GB 2257792 B GB2257792 B GB 2257792B GB 9213796 A GB9213796 A GB 9213796A GB 9213796 A GB9213796 A GB 9213796A GB 2257792 B GB2257792 B GB 2257792B
Authority
GB
United Kingdom
Prior art keywords
positions
determining
boundary layers
boundary
layers
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
GB9213796A
Other versions
GB2257792A (en
GB9213796D0 (en
Inventor
Bjorn R Hope
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 GB9213796D0 publication Critical patent/GB9213796D0/en
Publication of GB2257792A publication Critical patent/GB2257792A/en
Application granted granted Critical
Publication of GB2257792B publication Critical patent/GB2257792B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Edible Seaweed (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
GB9213796A 1989-12-28 1992-06-29 A method and a device for determining the positions of boundary layers Expired - Fee Related GB2257792B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO895293A NO169622C (en) 1989-12-28 1989-12-28 PROCEDURE AND DEVICE FOR A DETERMINED VERTICAL DISTRIBUTION OF ONE OR MORE MEDIA CONTAINING A MEASURING DEVICE
PCT/NO1990/000194 WO1991010116A1 (en) 1989-12-28 1990-12-21 A method and a device for determining the positions of boundary layers

Publications (3)

Publication Number Publication Date
GB9213796D0 GB9213796D0 (en) 1992-09-16
GB2257792A GB2257792A (en) 1993-01-20
GB2257792B true GB2257792B (en) 1994-04-20

Family

ID=19892719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9213796A Expired - Fee Related GB2257792B (en) 1989-12-28 1992-06-29 A method and a device for determining the positions of boundary layers

Country Status (5)

Country Link
DK (1) DK169574B1 (en)
GB (1) GB2257792B (en)
NO (1) NO169622C (en)
SE (1) SE9201979L (en)
WO (1) WO1991010116A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358474B (en) * 2000-01-24 2002-01-09 Infrared Integrated Syst Ltd Detection of events by their thermal characteristics
NO318170B1 (en) 2002-12-23 2005-02-14 Vetco Aibel As Method and apparatus for detecting solid matter collection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211606A (en) * 1939-02-08 1940-08-13 Gen Electric Liquid level indicator
DE2049834A1 (en) * 1970-10-10 1972-04-13 Klug F Thermistor liquid level indicator - with ptfe hose shrunk over thermistor and leads
DE2346761A1 (en) * 1973-09-17 1975-03-27 Juergen Frahm Sludge level in sedimentation tanks measuring device - with heat conduction of water and sludge measured by four sensor elements
DE2549258A1 (en) * 1975-11-04 1977-05-05 Volkswagenwerk Ag Fuel level continuous indication for vehicles - using high temp. coefficient rod shaped resistor and external series indicator
DE3125591A1 (en) * 1981-06-30 1983-01-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Level meter
DE3148383C2 (en) * 1981-12-07 1989-11-23 Adam Opel AG, 6090 Rüsselsheim Device for measuring the amount of liquid in a container

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62162926A (en) * 1986-01-13 1987-07-18 Matsushita Electric Ind Co Ltd Continuous level gage
JPH0643915B2 (en) * 1986-01-13 1994-06-08 松下電器産業株式会社 Continuous level gauge
JPH083437B2 (en) * 1986-05-09 1996-01-17 松下電器産業株式会社 Continuous level gauge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211606A (en) * 1939-02-08 1940-08-13 Gen Electric Liquid level indicator
DE2049834A1 (en) * 1970-10-10 1972-04-13 Klug F Thermistor liquid level indicator - with ptfe hose shrunk over thermistor and leads
DE2346761A1 (en) * 1973-09-17 1975-03-27 Juergen Frahm Sludge level in sedimentation tanks measuring device - with heat conduction of water and sludge measured by four sensor elements
DE2549258A1 (en) * 1975-11-04 1977-05-05 Volkswagenwerk Ag Fuel level continuous indication for vehicles - using high temp. coefficient rod shaped resistor and external series indicator
DE3125591A1 (en) * 1981-06-30 1983-01-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Level meter
DE3148383C2 (en) * 1981-12-07 1989-11-23 Adam Opel AG, 6090 Rüsselsheim Device for measuring the amount of liquid in a container

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, Vol 11, No 399, P651, abstract ofJP 62-162926,publ 1987-07-18 (MATSUSHITA *
Patent Abstracts of Japan, Vol 11, No 399, P651, abstract ofJP62-162924, publ 1987-07-18 (MATSUSHITA *
Patent Abstracts of Japan, Vol 12, No 144, P697, abstract ofJP 62-263419,publ 1987-11-16 (MATSUSHITA *

Also Published As

Publication number Publication date
DK169574B1 (en) 1994-12-05
GB2257792A (en) 1993-01-20
DK84492D0 (en) 1992-06-26
WO1991010116A1 (en) 1991-07-11
DK84492A (en) 1992-08-27
NO895293L (en) 1991-07-01
GB9213796D0 (en) 1992-09-16
SE9201979D0 (en) 1992-06-26
NO895293D0 (en) 1989-12-28
NO169622C (en) 1992-07-15
NO169622B (en) 1992-04-06
SE9201979L (en) 1992-06-26

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Legal Events

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

Effective date: 19971221