GB1301437A - - Google Patents

Info

Publication number
GB1301437A
GB1301437A GB1301437DA GB1301437A GB 1301437 A GB1301437 A GB 1301437A GB 1301437D A GB1301437D A GB 1301437DA GB 1301437 A GB1301437 A GB 1301437A
Authority
GB
United Kingdom
Prior art keywords
detector
source
radiation
liquid
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
Other languages
English (en)
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 filed Critical
Publication of GB1301437A publication Critical patent/GB1301437A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
GB1301437D 1971-10-22 1971-10-22 Expired GB1301437A (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4916371 1971-10-22

Publications (1)

Publication Number Publication Date
GB1301437A true GB1301437A (ru) 1972-12-29

Family

ID=10451401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301437D Expired GB1301437A (ru) 1971-10-22 1971-10-22

Country Status (2)

Country Link
DE (1) DE2251210A1 (ru)
GB (1) GB1301437A (ru)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176290A (en) * 1985-05-03 1986-12-17 Grampian Regional Council Apparatus for monitoring fluid level
FR2646906A1 (fr) * 1989-05-09 1990-11-16 Pattori Roberto Dispositif pour la verification de la presence de fluide a un niveau prefixe
WO2008122474A1 (en) * 2007-04-04 2008-10-16 Ufi Innovation Center S.R.L. A level detector and method for measuring a fluid level in a container

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859987A (en) * 1987-12-11 1989-08-22 Casco Products Corporation Apparatus and method for monitoring liquid levels
JP3037794B2 (ja) * 1991-09-25 2000-05-08 本田技研工業株式会社 刈取り機のグラスバッグ満杯検出装置
DE4232198C2 (de) * 1991-09-25 2001-12-13 Honda Motor Co Ltd Anzeigevorrichtung für den Füllungsgrad des Grasfangkorbes eines Rasenmähers
US5279157A (en) * 1992-08-03 1994-01-18 Casco Products Corporation Liquid level monitor
DE29507670U1 (de) * 1995-05-09 1996-09-19 3M ESPE AG, 82229 Seefeld Füllstandsmelder für fließfähiges Gut

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176290A (en) * 1985-05-03 1986-12-17 Grampian Regional Council Apparatus for monitoring fluid level
FR2646906A1 (fr) * 1989-05-09 1990-11-16 Pattori Roberto Dispositif pour la verification de la presence de fluide a un niveau prefixe
WO2008122474A1 (en) * 2007-04-04 2008-10-16 Ufi Innovation Center S.R.L. A level detector and method for measuring a fluid level in a container

Also Published As

Publication number Publication date
DE2251210A1 (de) 1973-04-26

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee