NL251283A - - Google Patents

Info

Publication number
NL251283A
NL251283A NL251283DA NL251283A NL 251283 A NL251283 A NL 251283A NL 251283D A NL251283D A NL 251283DA NL 251283 A NL251283 A NL 251283A
Authority
NL
Netherlands
Application number
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.)
Publication of NL251283A publication Critical patent/NL251283A/xx

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
    • 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
NL251283D 1959-05-06 NL251283A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS1248319X 1959-05-06

Publications (1)

Publication Number Publication Date
NL251283A true NL251283A (zh)

Family

ID=5458222

Family Applications (1)

Application Number Title Priority Date Filing Date
NL251283D NL251283A (zh) 1959-05-06

Country Status (2)

Country Link
DE (1) DE1248319B (zh)
NL (1) NL251283A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431774A1 (de) * 1984-08-29 1986-03-13 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung des fuellstandes von fluessigkeiten
DE102012002011B4 (de) 2012-02-03 2023-12-28 HELLA GmbH & Co. KGaA Vorrichtung zur Messung eines Füllstands einer Flüssigkeit, ölgeschmierter Motor und Kraftfahrzeug

Also Published As

Publication number Publication date
DE1248319B (de) 1967-08-24

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