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GB2147697B - Level measurement method and apparatus - Google Patents
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GB2147697B - Level measurement method and apparatus - Google Patents

Level measurement method and apparatus

Info

Publication number
GB2147697B
GB2147697B GB08422571A GB8422571A GB2147697B GB 2147697 B GB2147697 B GB 2147697B GB 08422571 A GB08422571 A GB 08422571A GB 8422571 A GB8422571 A GB 8422571A GB 2147697 B GB2147697 B GB 2147697B
Authority
GB
United Kingdom
Prior art keywords
measurement method
level measurement
level
measurement
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
GB08422571A
Other versions
GB8422571D0 (en
GB2147697A (en
Inventor
Hans-Peter Kugler
Norbert Eisenreich
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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
Priority claimed from DE19833336210 external-priority patent/DE3336210C2/en
Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of GB8422571D0 publication Critical patent/GB8422571D0/en
Publication of GB2147697A publication Critical patent/GB2147697A/en
Application granted granted Critical
Publication of GB2147697B publication Critical patent/GB2147697B/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
    • G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface

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)
GB08422571A 1983-10-05 1984-09-06 Level measurement method and apparatus Expired GB2147697B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833336210 DE3336210C2 (en) 1982-10-06 1983-10-05 Method and device for level measurement

Publications (3)

Publication Number Publication Date
GB8422571D0 GB8422571D0 (en) 1984-10-10
GB2147697A GB2147697A (en) 1985-05-15
GB2147697B true GB2147697B (en) 1987-12-09

Family

ID=6211061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08422571A Expired GB2147697B (en) 1983-10-05 1984-09-06 Level measurement method and apparatus

Country Status (2)

Country Link
FR (1) FR2553190B1 (en)
GB (1) GB2147697B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181835B (en) * 1985-10-01 1990-03-21 Univ Liverpool Monitoring device
DE3621009A1 (en) * 1986-06-23 1988-01-07 Truetzschler & Co DEVICE FOR DETECTING THE LEVEL IN A FIBER MATERIAL STORAGE, ESPECIALLY FOR SPINNING PREPARATION MACHINES
US4873863A (en) * 1988-11-29 1989-10-17 Bruhl J D Volumetric leak detection means and method
DE4342272B4 (en) * 1993-12-10 2004-01-29 BSH Bosch und Siemens Hausgeräte GmbH Method and measuring arrangement for determining the level, the turbidity and the foam content of the lye in an automatically controllable washing machine or dishwasher
US6581461B1 (en) 2000-05-25 2003-06-24 Trn Business Trust Electro-optic sensor for levelmeter providing output signal with frequency modulated by surface level
US6762679B1 (en) 2000-11-06 2004-07-13 Trn Business Trust Remote monitoring adapter for levelmeter
WO2003014838A2 (en) * 2001-08-06 2003-02-20 Xtec Inc Clogged filter detector
US6606906B2 (en) 2001-09-06 2003-08-19 Trn Business Trust Digital conversion adapter for magnetically coupled level meters
US6736006B2 (en) 2001-12-31 2004-05-18 Trn Business Trust Level detector for a material in a container
US6938478B2 (en) 2002-11-14 2005-09-06 Herman Diaz Arias Impedance level meter for liquids in tanks
EP2228633B1 (en) * 2009-03-10 2017-07-05 Nestec S.A. Optical level detector for a beverage machine
GB2558809B (en) * 2013-01-09 2018-11-07 International Moisture Analysers Ltd Optical chemical analyser
DE102013101889A1 (en) * 2013-02-26 2014-08-28 Sick Ag Optoelectronic level sensor
DE102019208563B4 (en) * 2019-06-12 2026-03-26 Volkswagen Aktiengesellschaft Optical liquid sensor and electrical system for optical detection of liquids
CN115112202B (en) * 2022-06-27 2024-01-23 贵州五十三度数字科技有限公司 Liquid level and capacity measuring method, device and storage medium

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE657370A (en) *
GB791058A (en) * 1955-03-02 1958-02-19 Pneumatic Scale Corp Container filling machine
GB1383320A (en) * 1971-08-19 1974-02-12 British Iron Steel Research Measurement of the shape of strip material
GB1484996A (en) * 1974-09-06 1977-09-08 United Biscuits Ltd Measurement of the position of a surface
GB1596295A (en) * 1978-04-28 1981-08-26 Sira Institute Optical apparatus and method
BE872578A (en) * 1978-12-06 1979-03-30 Centre Rech Metallurgique DEVICE TO CONTROL THE SURFACE OF THE LOAD OF A TANK OVEN
US4247784A (en) * 1978-12-18 1981-01-27 Eastman Kodak Company Measurement of material level in vessels
IT1192344B (en) * 1978-12-20 1988-03-31 Ceda Spa LEVEL METER
DE2945251A1 (en) * 1979-11-09 1981-05-14 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH, 4000 Düsseldorf Measuring level of liq. steel in ladles etc. - using laser beam directed at surface at angle to axis of imaging system
US4326804A (en) * 1980-02-11 1982-04-27 General Electric Company Apparatus and method for optical clearance determination
US4508970A (en) * 1982-07-15 1985-04-02 Motorola, Inc. Melt level sensing system and method

Also Published As

Publication number Publication date
FR2553190A1 (en) 1985-04-12
FR2553190B1 (en) 1988-06-17
GB8422571D0 (en) 1984-10-10
GB2147697A (en) 1985-05-15

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Legal Events

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

Effective date: 19940906