DE4126399A1 - Ultraschall-wandler - Google Patents

Ultraschall-wandler

Info

Publication number
DE4126399A1
DE4126399A1 DE19914126399 DE4126399A DE4126399A1 DE 4126399 A1 DE4126399 A1 DE 4126399A1 DE 19914126399 DE19914126399 DE 19914126399 DE 4126399 A DE4126399 A DE 4126399A DE 4126399 A1 DE4126399 A1 DE 4126399A1
Authority
DE
Germany
Prior art keywords
membrane
flange
ultrasonic transducer
seal
diaphragm
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.)
Granted
Application number
DE19914126399
Other languages
German (de)
English (en)
Other versions
DE4126399C2 (enrdf_load_stackoverflow
Inventor
Fritz Lenk
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 DE19914126399 priority Critical patent/DE4126399A1/de
Priority to DE19914138528 priority patent/DE4138528C1/de
Priority to DE9209977U priority patent/DE9209977U1/de
Publication of DE4126399A1 publication Critical patent/DE4126399A1/de
Application granted granted Critical
Publication of DE4126399C2 publication Critical patent/DE4126399C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE19914126399 1991-08-09 1991-08-09 Ultraschall-wandler Granted DE4126399A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19914126399 DE4126399A1 (de) 1991-08-09 1991-08-09 Ultraschall-wandler
DE19914138528 DE4138528C1 (en) 1991-08-09 1991-11-23 Ultrasonic transducer e.g. for level indicator - has diaphragm held between seals and flange in direct contact with attachment surface or via spacer
DE9209977U DE9209977U1 (de) 1991-08-09 1992-07-24 Ultraschall-Wandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914126399 DE4126399A1 (de) 1991-08-09 1991-08-09 Ultraschall-wandler

Publications (2)

Publication Number Publication Date
DE4126399A1 true DE4126399A1 (de) 1993-02-11
DE4126399C2 DE4126399C2 (enrdf_load_stackoverflow) 1993-05-19

Family

ID=6438009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914126399 Granted DE4126399A1 (de) 1991-08-09 1991-08-09 Ultraschall-wandler

Country Status (1)

Country Link
DE (1) DE4126399A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675306B2 (en) * 1993-04-10 1997-01-30 Endress & Hauser Gmbh & Co. Fill-level indicator
RU2354076C1 (ru) * 2007-08-28 2009-04-27 Открытое акционерное общество "Научно-производственная корпорация "Иркут" (ОАО "Корпорация "Иркут") Раздельно-совмещенный пьезоэлектрический преобразователь
DE102010038535A1 (de) * 2010-07-28 2012-02-02 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung eines vorgegebenen Füllstands

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1487304A1 (de) * 1965-04-30 1969-04-03 Gen Dynamics Corp Elektromechanischer akustischer UEbertrager
DE8630763U1 (de) * 1986-11-17 1987-03-12 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Schall- oder Ultraschallsensor
DE8625990U1 (de) * 1986-09-29 1989-08-31 Endress u. Hauser GmbH u. Co, 7864 Maulburg Füllstandsmessgerät zur Messung des Füllstandes von explosiblen oder aggresiven Medien in einem Behälter
WO1990005358A1 (en) * 1988-11-02 1990-05-17 Meggitt (Uk) Limited Amplified transducer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1487304A1 (de) * 1965-04-30 1969-04-03 Gen Dynamics Corp Elektromechanischer akustischer UEbertrager
DE8625990U1 (de) * 1986-09-29 1989-08-31 Endress u. Hauser GmbH u. Co, 7864 Maulburg Füllstandsmessgerät zur Messung des Füllstandes von explosiblen oder aggresiven Medien in einem Behälter
DE8630763U1 (de) * 1986-11-17 1987-03-12 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Schall- oder Ultraschallsensor
WO1990005358A1 (en) * 1988-11-02 1990-05-17 Meggitt (Uk) Limited Amplified transducer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Brockhaus-Enzyklopädie: 19.Aufl. Mannheim: Brockhaus, 1988, Bd.7, Ex-Frt, S.362 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675306B2 (en) * 1993-04-10 1997-01-30 Endress & Hauser Gmbh & Co. Fill-level indicator
RU2354076C1 (ru) * 2007-08-28 2009-04-27 Открытое акционерное общество "Научно-производственная корпорация "Иркут" (ОАО "Корпорация "Иркут") Раздельно-совмещенный пьезоэлектрический преобразователь
DE102010038535A1 (de) * 2010-07-28 2012-02-02 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung eines vorgegebenen Füllstands
US9377343B2 (en) 2010-07-28 2016-06-28 Endress + Hauser Gmbh + Co. Kg Apparatus for determining and/or monitoring a predetermined fill level

Also Published As

Publication number Publication date
DE4126399C2 (enrdf_load_stackoverflow) 1993-05-19

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