GB2108667B - Filling level limit indicator - Google Patents

Filling level limit indicator

Info

Publication number
GB2108667B
GB2108667B GB08225937A GB8225937A GB2108667B GB 2108667 B GB2108667 B GB 2108667B GB 08225937 A GB08225937 A GB 08225937A GB 8225937 A GB8225937 A GB 8225937A GB 2108667 B GB2108667 B GB 2108667B
Authority
GB
United Kingdom
Prior art keywords
filling level
level limit
limit indicator
indicator
filling
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
GB08225937A
Other versions
GB2108667A (en
Inventor
Heino Zimmermann
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.)
Gustav F Gerdts KG
Original Assignee
Gustav F Gerdts KG
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 Gustav F Gerdts KG filed Critical Gustav F Gerdts KG
Publication of GB2108667A publication Critical patent/GB2108667A/en
Application granted granted Critical
Publication of GB2108667B publication Critical patent/GB2108667B/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
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Transducers For Ultrasonic Waves (AREA)
GB08225937A 1981-11-03 1982-09-10 Filling level limit indicator Expired GB2108667B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813143515 DE3143515C2 (en) 1981-11-03 1981-11-03 Ultrasonic level limit switch

Publications (2)

Publication Number Publication Date
GB2108667A GB2108667A (en) 1983-05-18
GB2108667B true GB2108667B (en) 1985-07-17

Family

ID=6145460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08225937A Expired GB2108667B (en) 1981-11-03 1982-09-10 Filling level limit indicator

Country Status (3)

Country Link
DE (1) DE3143515C2 (en)
FR (1) FR2515817A1 (en)
GB (1) GB2108667B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628951A (en) * 1984-01-03 1986-12-16 Chemical Data Systems, Inc. Liquid level detection system for high temperature or pressure environments
US4644789A (en) * 1985-12-20 1987-02-24 Clevite Industries Inc. Liquid level indicator system
DE3633047A1 (en) * 1986-09-29 1988-04-07 Endress Hauser Gmbh Co LEVEL MEASUREMENT DEVICE FOR MEASURING THE LEVEL OF EXPLOSIBLE OR AGGRESIVE MEDIA IN A CONTAINER
DE3738515A1 (en) * 1987-11-13 1989-05-24 Bosch Gmbh Robert FUELLSTANDSANZEIGER
DE3740598C2 (en) * 1987-11-30 1998-03-26 Grieshaber Vega Kg Vibrating unit for level vibration limit switch
DE3938742C2 (en) * 1989-11-23 1997-10-23 Gok Gmbh & Co Kg Device for redundant overfill prevention
DE10331730A1 (en) * 2003-07-11 2005-01-27 Endress + Hauser Gmbh + Co. Kg Field unit for measuring density, viscosity or height of a medium in a tank has a vibration unit made up of three vibration bodes with a clamping region for transferring reaction forces and moments to a process connection
DE10350086B4 (en) * 2003-10-27 2007-11-08 Siemens Ag Sensor device for detecting a level or a viscosity of a fluid

Also Published As

Publication number Publication date
DE3143515C2 (en) 1984-11-29
GB2108667A (en) 1983-05-18
DE3143515A1 (en) 1983-05-11
FR2515817A1 (en) 1983-05-06

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee