DE59510158D1 - Ultraschallwandler - Google Patents
UltraschallwandlerInfo
- Publication number
- DE59510158D1 DE59510158D1 DE59510158T DE59510158T DE59510158D1 DE 59510158 D1 DE59510158 D1 DE 59510158D1 DE 59510158 T DE59510158 T DE 59510158T DE 59510158 T DE59510158 T DE 59510158T DE 59510158 D1 DE59510158 D1 DE 59510158D1
- Authority
- DE
- Germany
- Prior art keywords
- ultrasound transducer
- ultrasound
- transducer
- 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
- 238000002604 ultrasonography Methods 0.000 title 1
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
- G01F23/2962—Measuring transit time of reflected waves
-
- 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
- G01F23/2968—Transducers specially adapted for acoustic level indicators
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95115281A EP0766071B1 (de) | 1995-09-28 | 1995-09-28 | Ultraschallwandler |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59510158D1 true DE59510158D1 (de) | 2002-05-16 |
Family
ID=8219662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59510158T Expired - Fee Related DE59510158D1 (de) | 1995-09-28 | 1995-09-28 | Ultraschallwandler |
Country Status (5)
Country | Link |
---|---|
US (1) | US5664456A (de) |
EP (1) | EP0766071B1 (de) |
JP (1) | JP2918102B2 (de) |
CA (1) | CA2185073C (de) |
DE (1) | DE59510158D1 (de) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19714973C2 (de) * | 1997-04-10 | 1999-02-11 | Endress Hauser Gmbh Co | Verfahren und Anordnung zur Feststellung einer Überfüllung bei der Messung des Füllstands einer Flüssigkeit in einem Behälter nach dem Impulslaufzeitverfahren |
DE19744229A1 (de) * | 1997-10-07 | 1999-04-29 | Bosch Gmbh Robert | Ultraschallwandler |
DE19811982C5 (de) * | 1998-03-19 | 2011-02-03 | Microsonic Gesellschaft für Mikroelektronik und Ultraschalltechnik mbH | Ultraschall-Luftfederanordnung |
WO2000060317A1 (en) * | 1999-04-01 | 2000-10-12 | Panametrics, Inc. | Clamp-on ultrasonic flow meter for low density fluids |
FR2800229B1 (fr) * | 1999-10-22 | 2002-04-05 | Thomson Marconi Sonar Sas | Transducteur acoustique sous-marin a large bande |
AU1308601A (en) * | 1999-11-12 | 2001-05-30 | Matsushita Electric Industrial Co., Ltd. | Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material |
US6412344B1 (en) * | 1999-11-15 | 2002-07-02 | Rosemount Aerospace Inc. | Fluid level sensor with dry couplant |
US7166098B1 (en) * | 1999-12-30 | 2007-01-23 | Advanced Cardiovascular Systems, Inc. | Medical assembly with transducer for local delivery of a therapeutic substance and method of using same |
DE10017760C1 (de) * | 2000-04-10 | 2001-08-16 | Festo Ag & Co | Piezokeramischer Biegewandler sowie Verwendung des piezokeramischen Biegewandlers |
JP3538708B2 (ja) * | 2000-06-12 | 2004-06-14 | 株式会社村田製作所 | 圧電共振子及び圧電部品 |
DE10055893C5 (de) * | 2000-11-10 | 2010-04-01 | Hydrometer Gmbh | Ultraschallwandler-Anordnung für den Einsatz in einem Durchflußmesser für ein gasförmiges oder flüssiges Medium |
DE10133395A1 (de) * | 2001-07-13 | 2003-01-23 | Flowtec Ag | Messkopf für ein Ultraschall-Durchflussmessgerät |
DE10216037A1 (de) * | 2002-04-11 | 2003-10-23 | Endress & Hauser Gmbh & Co Kg | Schall-oder Ultraschallsensor |
US6993967B2 (en) * | 2002-07-12 | 2006-02-07 | Ti Group Automotive Systems, L.L.C. | Fluid level sensor |
US6739203B1 (en) * | 2002-08-16 | 2004-05-25 | Feldman Marvin J | Ultrasonic transducer and flow sensor configuration |
US7523662B2 (en) * | 2002-10-25 | 2009-04-28 | Endress + Hauser Flowtec Ag | Process meter |
US20040123666A1 (en) * | 2002-12-31 | 2004-07-01 | Ao Xiaolei S. | Ultrasonic damping material |
DE10305003A1 (de) * | 2003-02-07 | 2004-08-19 | Jäger, Frank-Michael | Verfahren und Vorrichtung zur Feststellung und/oder Überwachung einer Flüssigkeit |
US8354773B2 (en) * | 2003-08-22 | 2013-01-15 | Siemens Medical Solutions Usa, Inc. | Composite acoustic absorber for ultrasound transducer backing material |
DE10344741A1 (de) * | 2003-09-25 | 2005-04-14 | Endress + Hauser Gmbh + Co. Kg | Schall- oder Ultraschallwandler |
US20050201205A1 (en) * | 2004-03-10 | 2005-09-15 | Chavez Alfred M. | Acoustic transducer assembly for aluminum hulled vessels |
DE102005001899B4 (de) * | 2005-01-14 | 2007-03-08 | Landis+Gyr Gmbh | Ultraschallkopf |
DE102005017008A1 (de) * | 2005-04-07 | 2006-10-12 | Valeo Schalter Und Sensoren Gmbh | Vorrichtung mit einem Sender, einem Empfänger und einem den Sender und den Empfänger aufnehmenden Gehäuse |
JP2007005632A (ja) * | 2005-06-24 | 2007-01-11 | Fujifilm Holdings Corp | 圧電アクチュエータ、圧電アクチュエータの製造方法及び液体吐出ヘッド |
EP1932476A4 (de) * | 2005-09-05 | 2010-06-23 | Hitachi Medical Corp | Ultraschallgerät |
US7775110B2 (en) * | 2006-09-22 | 2010-08-17 | Denso Corporation | Ultrasonic sensor |
JP4635996B2 (ja) * | 2006-09-26 | 2011-02-23 | 株式会社デンソー | 超音波センサ |
JP4835366B2 (ja) * | 2006-10-04 | 2011-12-14 | 株式会社デンソー | 超音波センサ |
US8382689B2 (en) * | 2007-02-08 | 2013-02-26 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Device and method for high intensity focused ultrasound ablation with acoustic lens |
US8102734B2 (en) * | 2007-02-08 | 2012-01-24 | St. Jude Medical, Atrial Fibrillation Division, Inc. | High intensity focused ultrasound transducer with acoustic lens |
US7877854B2 (en) | 2007-02-08 | 2011-02-01 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Method of manufacturing an ultrasound transducer |
DE102007010500A1 (de) * | 2007-03-05 | 2008-09-11 | Robert Bosch Gmbh | Ultraschallwandler mit direkt eingebettetem Piezo |
US7557490B2 (en) * | 2007-05-10 | 2009-07-07 | Daniel Measurement & Control, Inc. | Systems and methods of a transducer having a plastic matching layer |
DE102008055126A1 (de) | 2008-12-23 | 2010-07-01 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
DE102008055116A1 (de) | 2008-12-23 | 2010-07-01 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Ultraschallwandlers |
US7703337B1 (en) * | 2009-02-27 | 2010-04-27 | Murray F Feller | Clamping arrangements for a transducer assembly having a piezoelectric element within a foam body |
DE102009045811A1 (de) * | 2009-10-19 | 2011-04-21 | Endress + Hauser Flowtec Ag | Sensor eines thermischen Durchflussmessgeräts |
DE102009046144A1 (de) | 2009-10-29 | 2011-05-19 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
DE102009046143A1 (de) | 2009-10-29 | 2011-05-12 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Ultraschallwandlers |
DE102009046145A1 (de) | 2009-10-29 | 2011-05-12 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
DE102009046149A1 (de) | 2009-10-29 | 2011-05-12 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Ultraschallwandlers |
DE102010000967A1 (de) | 2010-01-18 | 2011-07-21 | Robert Bosch GmbH, 70469 | Ultraschallwandler zum Einsatz in einem fluiden Medium |
WO2011090484A1 (en) * | 2010-01-22 | 2011-07-28 | Massa Products Corporation | Hidden ultrasonic transducer |
DE102010029283A1 (de) | 2010-05-25 | 2011-12-01 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
DE102010030189A1 (de) | 2010-06-16 | 2011-12-22 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Ultraschallwandlers zum Einsatz in einem fluiden Medium |
EP2733959A4 (de) * | 2011-07-13 | 2014-12-24 | Panasonic Corp | Verfahren zur herstellung eines schallabstimmungskörpers, schallabstimmungskörper, ultraschallwandler mit dem schallabstimmungskörper und ultraschallströmungsmesser |
DE102011090079A1 (de) | 2011-12-29 | 2013-07-04 | Endress + Hauser Flowtec Ag | Ultraschallwandler für ein Ultraschall-Durchflussmessgerät |
DE102011090082A1 (de) * | 2011-12-29 | 2013-07-04 | Endress + Hauser Flowtec Ag | Ultraschallwandler für ein Durchflussmessgerät |
DE102012104227A1 (de) | 2012-05-15 | 2013-11-21 | Endress + Hauser Gmbh + Co. Kg | Ultraschallwandler |
DE102012208292A1 (de) * | 2012-05-16 | 2013-11-21 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Ultraschall-Wandlerkerns mit eingebettetem piezoelektrischem Wandlerelement |
US9142751B2 (en) * | 2012-10-10 | 2015-09-22 | Industrial Sonomechanics, Llc | Efficient cooling of piezoelectric transducers |
JPWO2014136221A1 (ja) * | 2013-03-06 | 2017-02-09 | 三菱電機株式会社 | 障害物検知装置 |
US10072963B1 (en) * | 2014-07-11 | 2018-09-11 | Nick V. Solokhin | Ultrasonic volume-sensing transducer instrument with concave transceiver element |
DE112016001207T5 (de) | 2015-05-22 | 2017-11-30 | Halliburton Energy Services, Inc. | In einem Träger eingebetteter Ultraschallumwandler mit piezoelektrischem Material |
CN105268619B (zh) * | 2015-11-19 | 2017-07-14 | 浙江大学 | 匹配层前端带金属保护膜结构的气体超声波换能器 |
KR101963732B1 (ko) * | 2016-03-17 | 2019-03-29 | (주)동일기연 | 액체 레벨 측정용 초음파 트랜스듀서 |
DE102017107331A1 (de) | 2017-04-05 | 2018-10-11 | Turck Holding Gmbh | Ultraschallsensor |
EP3384849B1 (de) * | 2017-04-07 | 2022-06-08 | Esaote S.p.A. | Ultraschallsonde mit akustischem verstärker |
DE102017111624A1 (de) * | 2017-05-29 | 2018-11-29 | Endress + Hauser Flowtec Ag | Ultraschallwandler |
TWI772167B (zh) * | 2021-09-01 | 2022-07-21 | 詠業科技股份有限公司 | 超音波傳感器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2430013A (en) * | 1942-06-10 | 1947-11-04 | Rca Corp | Impedance matching means for mechanical waves |
US4130018A (en) | 1977-08-30 | 1978-12-19 | Envirotech Corporation | Ultrasonic transducer with reference reflector |
US4184094A (en) * | 1978-06-01 | 1980-01-15 | Advanced Diagnostic Research Corporation | Coupling for a focused ultrasonic transducer |
JPS5832559B2 (ja) * | 1979-07-04 | 1983-07-13 | 株式会社 モリタ製作所 | 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具 |
EP0119855B2 (de) * | 1983-03-17 | 1992-06-10 | Matsushita Electric Industrial Co., Ltd. | Ultraschallwandler mit akustischen Impedanzanpassungsschichten |
US4984449A (en) * | 1989-07-03 | 1991-01-15 | Caldwell System Corp. | Ultrasonic liquid level monitoring system |
DE3933474C2 (de) * | 1989-10-06 | 1994-01-27 | Endress Hauser Gmbh Co | Füllstandsmeßgerät |
GB2246349B (en) * | 1990-07-24 | 1994-06-22 | British Gas Plc | Method for bonding together hollow glass spheres |
US5121628A (en) * | 1990-10-09 | 1992-06-16 | Merkl Arthur W | Ultrasonic detection system |
EP0498015B1 (de) * | 1991-02-07 | 1993-10-06 | Siemens Aktiengesellschaft | Verfahren zur Herstellung von Ultraschallwandlern |
ATE174445T1 (de) * | 1992-09-28 | 1998-12-15 | Siemens Ag | Ultraschall-wandleranordnung mit einer akustischen anpassungsschicht |
DE4323134C1 (de) * | 1993-07-10 | 1994-06-16 | Pil Sensoren Gmbh | Ultraschallschwinger |
DE4325398C1 (de) * | 1993-07-29 | 1994-07-21 | Grieshaber Vega Kg | Schallwandler mit einer chemisch beständigen Anpaßschicht und Verfahren zur Herstellung einer solchen Anpaßschicht |
US5541468A (en) * | 1994-11-21 | 1996-07-30 | General Electric Company | Monolithic transducer array case and method for its manufacture |
-
1995
- 1995-09-28 DE DE59510158T patent/DE59510158D1/de not_active Expired - Fee Related
- 1995-09-28 EP EP95115281A patent/EP0766071B1/de not_active Expired - Lifetime
-
1996
- 1996-09-09 CA CA002185073A patent/CA2185073C/en not_active Expired - Fee Related
- 1996-09-27 JP JP8256655A patent/JP2918102B2/ja not_active Expired - Fee Related
- 1996-09-27 US US08/720,081 patent/US5664456A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH09126861A (ja) | 1997-05-16 |
EP0766071B1 (de) | 2002-04-10 |
JP2918102B2 (ja) | 1999-07-12 |
US5664456A (en) | 1997-09-09 |
EP0766071A1 (de) | 1997-04-02 |
CA2185073A1 (en) | 1997-03-29 |
CA2185073C (en) | 1999-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: ENDRESS + HAUSER GMBH + CO. KG, 79689 MAULBURG, DE |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |