DE9306444U1 - Device for measuring the level of a liquid in a container - Google Patents

Device for measuring the level of a liquid in a container

Info

Publication number
DE9306444U1
DE9306444U1 DE9306444U DE9306444U DE9306444U1 DE 9306444 U1 DE9306444 U1 DE 9306444U1 DE 9306444 U DE9306444 U DE 9306444U DE 9306444 U DE9306444 U DE 9306444U DE 9306444 U1 DE9306444 U1 DE 9306444U1
Authority
DE
Germany
Prior art keywords
container
measuring
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 - Lifetime
Application number
DE9306444U
Other languages
German (de)
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.)
Vega Grieshaber KG
Original Assignee
Vega Grieshaber 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 Vega Grieshaber KG filed Critical Vega Grieshaber KG
Priority to DE9306444U priority Critical patent/DE9306444U1/en
Publication of DE9306444U1 publication Critical patent/DE9306444U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/165—Particles in a matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure
    • 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
    • G01F23/2962—Measuring transit time of reflected 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
    • G01F23/2968—Transducers specially adapted for acoustic level indicators
DE9306444U 1993-04-29 1993-04-29 Device for measuring the level of a liquid in a container Expired - Lifetime DE9306444U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9306444U DE9306444U1 (en) 1993-04-29 1993-04-29 Device for measuring the level of a liquid in a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9306444U DE9306444U1 (en) 1993-04-29 1993-04-29 Device for measuring the level of a liquid in a container

Publications (1)

Publication Number Publication Date
DE9306444U1 true DE9306444U1 (en) 1993-08-19

Family

ID=6892611

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9306444U Expired - Lifetime DE9306444U1 (en) 1993-04-29 1993-04-29 Device for measuring the level of a liquid in a container

Country Status (1)

Country Link
DE (1) DE9306444U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008107246A1 (en) * 2007-03-05 2008-09-12 Robert Bosch Gmbh Ultrasonic transducers with directly embedded piezo
DE102010018993A1 (en) * 2010-05-03 2011-11-03 Valeo Schalter Und Sensoren Gmbh Ultrasonic sensor for use in environment recognition system of motor car for recognizing environmental influence e.g. temperature, has damping material with liquid component that changes into solid state according to introduction into pot
DE102012210513A1 (en) * 2012-06-21 2013-12-24 Robert Bosch Gmbh Element, useful e.g. for damping oscillatory components, comprises damping material comprising hollow body formed as filler particles, where part of filler particles has spherical, ellipsoidal, drop, polyhedral or irregular shape

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008107246A1 (en) * 2007-03-05 2008-09-12 Robert Bosch Gmbh Ultrasonic transducers with directly embedded piezo
DE102010018993A1 (en) * 2010-05-03 2011-11-03 Valeo Schalter Und Sensoren Gmbh Ultrasonic sensor for use in environment recognition system of motor car for recognizing environmental influence e.g. temperature, has damping material with liquid component that changes into solid state according to introduction into pot
DE102010018993B4 (en) * 2010-05-03 2021-04-01 Valeo Schalter Und Sensoren Gmbh Ultrasonic sensor, associated manufacturing process and environment recognition system
DE102012210513A1 (en) * 2012-06-21 2013-12-24 Robert Bosch Gmbh Element, useful e.g. for damping oscillatory components, comprises damping material comprising hollow body formed as filler particles, where part of filler particles has spherical, ellipsoidal, drop, polyhedral or irregular shape

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