DE4126399C2 - - Google Patents
Info
- Publication number
- DE4126399C2 DE4126399C2 DE19914126399 DE4126399A DE4126399C2 DE 4126399 C2 DE4126399 C2 DE 4126399C2 DE 19914126399 DE19914126399 DE 19914126399 DE 4126399 A DE4126399 A DE 4126399A DE 4126399 C2 DE4126399 C2 DE 4126399C2
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- flange
- ultrasonic transducer
- seal
- ultrasonic
- 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 - Fee Related
Links
- 239000012528 membrane Substances 0.000 claims description 75
- 238000002604 ultrasonography Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 5
- 239000000543 intermediate Substances 0.000 claims 2
- 230000000284 resting effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000033458 reproduction Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920001780 ECTFE Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
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 DE4126399A1 (de) | 1993-02-11 |
| DE4126399C2 true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4311963C2 (de) * | 1993-04-10 | 1996-10-24 | Endress Hauser Gmbh Co | Füllstandsmeßgerät |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3370187A (en) * | 1965-04-30 | 1968-02-20 | Gen Dynamics Corp | Electromechanical apparatus |
| 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 |
| AU4623689A (en) * | 1988-11-02 | 1990-05-28 | Meggitt (Uk) Limited | Amplified transducer |
-
1991
- 1991-08-09 DE DE19914126399 patent/DE4126399A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE4126399A1 (de) | 1993-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 4138528 Format of ref document f/p: P |
|
| AG | Has addition no. |
Ref country code: DE Ref document number: 4138528 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: VEGA GRIESHABER KG, 77709 WOLFACH, DE |
|
| 8339 | Ceased/non-payment of the annual fee |