CH528071A - Level sensor - Google Patents

Level sensor

Info

Publication number
CH528071A
CH528071A CH226571A CH226571A CH528071A CH 528071 A CH528071 A CH 528071A CH 226571 A CH226571 A CH 226571A CH 226571 A CH226571 A CH 226571A CH 528071 A CH528071 A CH 528071A
Authority
CH
Switzerland
Prior art keywords
level sensor
sensor
level
Prior art date
Application number
CH226571A
Other languages
German (de)
Inventor
Hartung Winfried
Original Assignee
Roland Offsetmaschf
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 Roland Offsetmaschf filed Critical Roland Offsetmaschf
Publication of CH528071A publication Critical patent/CH528071A/en

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)
  • Ink Jet (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
CH226571A 1970-03-17 1971-02-17 Level sensor CH528071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702012475 DE2012475A1 (en) 1970-03-17 1970-03-17 Level sensor

Publications (1)

Publication Number Publication Date
CH528071A true CH528071A (en) 1972-09-15

Family

ID=5765251

Family Applications (1)

Application Number Title Priority Date Filing Date
CH226571A CH528071A (en) 1970-03-17 1971-02-17 Level sensor

Country Status (5)

Country Link
CH (1) CH528071A (en)
DE (1) DE2012475A1 (en)
FR (1) FR2083336B1 (en)
GB (1) GB1341274A (en)
SE (1) SE379309B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140403A1 (en) * 1983-09-13 1985-05-08 Krohne Messtechnik Gmbh & Co. Kg Circuitry for a level meter with a sensing plate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595194A (en) * 1977-09-13 1981-08-12 Marconi Co Ltd Liquid level sensing device
GB2027539B (en) * 1978-08-09 1983-09-21 Marconi Co Ltd Measurement of the density of liquids
DE3105020A1 (en) * 1981-02-12 1982-09-02 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach DEVICE FOR APPLYING A FLUID, IN PARTICULAR LACQUERS ON PRINTED SHEETS OR COATS
LU84185A1 (en) * 1982-06-07 1983-09-02 Egemin Nv MEASURING DEVICE
CN102155968B (en) * 2011-03-08 2012-02-22 陈益华 Electromagnetic pushing-beating-type object-detecting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1545598A (en) * 1967-05-26 1968-11-15 Monsieur Le Ministre Des Armee Vibrating blade level switch for liquids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140403A1 (en) * 1983-09-13 1985-05-08 Krohne Messtechnik Gmbh & Co. Kg Circuitry for a level meter with a sensing plate

Also Published As

Publication number Publication date
DE2012475A1 (en) 1971-12-23
FR2083336A1 (en) 1971-12-17
SE379309B (en) 1975-10-06
GB1341274A (en) 1973-12-19
FR2083336B1 (en) 1975-01-17

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Legal Events

Date Code Title Description
PL Patent ceased