EP1565905B1 - Verfahren und vorrichtung zur kühlung von ultraschallwandlern - Google Patents
Verfahren und vorrichtung zur kühlung von ultraschallwandlern Download PDFInfo
- Publication number
- EP1565905B1 EP1565905B1 EP03767582A EP03767582A EP1565905B1 EP 1565905 B1 EP1565905 B1 EP 1565905B1 EP 03767582 A EP03767582 A EP 03767582A EP 03767582 A EP03767582 A EP 03767582A EP 1565905 B1 EP1565905 B1 EP 1565905B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow
- cooling fluid
- transducer
- cooling
- pressure
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 18
- 239000012809 cooling fluid Substances 0.000 claims abstract description 22
- 239000000110 cooling liquid Substances 0.000 claims description 39
- 239000011796 hollow space material Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 description 20
- 230000017525 heat dissipation Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
-
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- 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
- B06B1/0607—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 multiple elements
- B06B1/0611—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 multiple elements in a pile
Definitions
- the invention relates to a method and a device for cooling of ultrasonic transducers with the features mentioned in the preambles of claims 1 and 6.
- a cooling system for a high-frequency ultrasound transducer is known, which is based on the principle of heat conduction.
- a heat sink in the form of a heat sink.
- the heat sink is in turn connected by means of a thermally conductive resin to a housing. The heat is first transferred from the converter into the heat sink and from there via the resin into the surrounding housing, where the heat is ultimately dissipated to the surrounding air.
- This type of cooling is insufficient for high performance and not applicable for high amplitudes of several micrometers, because it is a high energy input into the resin.
- WO 0008630 A1 an arrangement for heat dissipation, in particular for ultrasonic transducer high power known.
- the heat dissipation is based on the combination of heat conduction and convection.
- the surface of the transducer body is provided with a vibration-absorbing layer, which reduces the mechanical friction losses during heat transfer.
- a layer of thermally conductive material Above it is a layer of thermally conductive material.
- a cooling body is arranged, from which the heat can be dissipated by means of a coolant by convection.
- the disadvantage of this arrangement is that the temperature gradients created by the layer transitions cause a reduction in the efficiency of heat dissipation.
- the maximum possible common contact surface between the transducer and cooling device is limited to the transducer surface, whereby the continuous operation of high-power ultrasound transducers can be ensured only by supplying large amounts of coolant, resulting in a low cost of the process results.
- this object is achieved by a method having the features mentioned in claim 1 and a device having the features mentioned in claim 6.
- the inventive method for cooling of ultrasonic transducers is characterized in that the body of the ultrasonic transducer flows through a introduced under pressure cooling fluid and / or flows around. In this way, it is advantageously achieved that the heat generated in the transducers is dissipated directly by convection. No heat transfer via cooling elements is required. By flowing through the transducer body, a large common contact surface between transducers and coolant is realized. The achieved heat dissipation is much more effective than in the known methods, so that can be ensured with the inventive compositions of the continuous operation of ultrasonic transducers high performance.
- the flow through the body of the ultrasonic transducer from the inside to the outside, wherein the liquid pressure is built up in the interior and the cooling liquid flows through the housing, or from the outside to the inside, wherein the pressure is built up in the outdoor area and the cooling liquid flows over the inner area, is realized.
- the flow takes place in such a way that pressure is built up to prevent cavitation both in the interior and in the exterior, wherein a pressure gradient between the interior and exterior is required for the flow of the cooling liquid.
- the body of the ultrasonic transducer is flowed around in the interior and / or in the outer area, since in this way heat is removed from the converter surface by convection.
- the interior is in this case in particular the cavity between the tension rod and transducer body, the outside area, in particular the space between the transducer body and housing.
- the cooling liquid is an electrically non-conductive liquid, as this electrical short circuits are avoided.
- the pressure of the cooling liquid is dimensioned such that the cavitation is reducible or avoidable.
- the pressure is preferably set in a range from 200 to 2000 kPa (2 to 20 bar). Particularly preferred 500 kPa (5 bar) are provided. This will be advantageous achieved that the risk of damage to the device is significantly reduced by cavitation and that an additional power input by cavitation generation is reduced or avoided.
- At least one flow channel is slit-shaped, as a result, a large common contact surface between the converter body and the cooling liquid can be realized. This leads to a higher efficiency in heat dissipation.
- the device comprises a arranged in a cavity of the at least two transducer body tension rod having at least two openings and at least one guide channel through which the introduced under pressure cooling liquid can be flowed.
- the cooling liquid can be supplied via the at least one guide channel and can be discharged via the at least one throughflow channel. It is furthermore preferably provided that the cooling fluid can be supplied via the at least one flow channel and can be discharged via the at least one guide channel in the tension rod. In this way, a particularly easy-to-handle and realizable possibility of the flow through the transducer body from the inside to the outside or from the outside to the inside is given.
- the device comprises a liquid-tight housing.
- the housing serves on the one hand to protect the active elements of the transducer and also offers a particularly favorable possibility of receiving and guiding the coolant.
- the device comprises a flange which is connected to the housing and / or a horn and / or an end mass. Through the flange a particularly easy to be realized mounting option of the housing is achieved. Furthermore, a particularly favorable possibility of connection with a sonotrode is given by the horn.
- the device has at least one connection device for a coolant line, through which the cooling fluid can be discharged into the cavity of the transducer body and / or can be discharged from the cavity.
- the device has at least one connection device for a coolant line, through which the cooling liquid in the at least one guide channel is flowable and / or discharged from the at least one guide channel.
- the device has at least one connection device for a coolant line through which the coolant can flow into the housing and / or can be discharged from the housing.
- At least one of the at least two transducer body is at least partially flowed around on the inner surface and / or at least partially on the outer surface of the cooling liquid.
- the transducer bodies have no through-flow channels.
- the converter bodies are merely flowed around, with the interior space being connected to the outside space by a connecting channel.
- FIG. 1 is shown schematically the longitudinal section of an ultrasonic transducer with an embodiment of the device according to the invention for cooling the ultrasonic transducer.
- the ultrasonic transducer is composed of cylindrical transducer bodies 5, 6, each having piezoelectric packages 4 arranged on the front side between two transducer bodies 5, 6, some of the transducer bodies 5, 6 being designed as common transducer bodies 6, on the front sides of which in each case a piezoelectric package 4 is arranged.
- a piezo package 4 forms with one of the transducer body 5 and half of the common transducer body 6 or with each half of two common transducer body 6 a ⁇ / 2 oscillator.
- the transducer bodies 5, 6 have flow-through channels 7 in the radial direction.
- Transducer body 5, 6 and 4 piezo packages are alternately lined up on a tension rod 3 with end threads.
- the tension rod 3 has a guide channel 13 for cooling liquid, wherein at one end of a connecting device for a coolant line 1 is attached, which forms the inlet 1 for the cooling liquid.
- the tension rod has an outlet opening for the coolant flowing out of the guide channel into the cavity 11 of the transducer body.
- the opposite end mass 10 is connected to a horn 8, which is the connection option with a sonotrode and serves to transmit the mechanical vibrations generated by the transducer.
- the device is provided with a liquid-tight housing 12 for receiving the cooling liquid, which is connected to a flange 9, which offers a possibility for mounting in an external plant.
- the flange 9 is connected to the horn 8.
- the flange 9 has a connection device for a coolant line 2, which forms the outlet 2 for the cooling liquid from the housing 12.
- the coolant line for the inlet 1 is guided through the housing 12.
- the cooling liquid is introduced via the inlet 1 under pressure into the guide channel 13 of the tension rod 3. Via the guide channel 13, the cooling liquid is supplied to the cavity 11 of the transducer body, where the transducer body are flowed through by the cooling liquid to ultimately flow through the flow channels 7 of the transducer body 5, 6.
- the heat generated by the transducers is transferred in this way directly by convection to the cooling liquid.
- the exiting from the flow channels 7 cooling liquid is collected in the housing 12 and discharged via the outlet 2 from the device. In this way, a more effective cooling of the ultrasonic transducer is achieved than in the known methods. With the aid of the means according to the invention, the continuous operation of high-power ultrasonic transducers is also ensured.
- circular holes can be attached to the ends of the flow channels.
- the diameter of the bores is expediently greater than the width of the slots.
- FIG. 2 shows schematically the longitudinal section of the structure of an ultrasonic transducer with a further embodiment of the device according to the invention for cooling the ultrasonic transducer, which substantially the in FIG. 1 shown corresponds.
- two inlets 1 for the cooling liquid present which are each arranged radially and are guided from the outside through the housing 12 and the end masses 10 into the cavity 11 between the tension rod 3 and transducer body 5, 6.
- the connection means 1 for the connection of the cooling liquid lines to the cavity 11 are thus arranged at the opposite ends of the transducer. In this way, the cooling liquid is introduced from the opposite ends under pressure into the cavity 11 and discharged through the flow channels 7. This results in a more uniform heat dissipation over the entire length of the device as in FIG. 1 , It is thus an even more effective cooling of the ultrasonic transducer as with in FIG. 1 achieved embodiment shown.
- FIG. 3 shows a further embodiment of the invention, in which the transducer body 5, 6 have no flow channels 7.
- the inner space 11 is connected to the outer space 14 via a connecting channel 15.
- the cooling liquid is supplied via the inlet 1, passes through the guide channel 13 into the interior 11, flows around and cools the transducer body 5, 6, leaves the interior 11 via the connection channel 15 and is discharged via the exterior space 14 and the outlet 2 dissipated.
- the inside of the transducer body 5, 6 is cooled.
- it is possible in a second variant only to cool the outside of the transducer body 5, 6, 17 is supplied via the housing inlet 1a and a ring line 17 cooling liquid.
- the over the housing inlet 1a supplied coolant is uniformly supplied and distributed through the ring line 17 and now flows around the outside of the converter 5, 6 or at least here forms a coolant film and is discharged via the outlet 2.
- a gas pressure is generated in the present embodiment via the gas pressure port 6 in the housing 12, which is 6 bar in this embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10254894 | 2002-11-20 | ||
DE10254894A DE10254894B3 (de) | 2002-11-20 | 2002-11-20 | Vorrichtung zur Kühlung von Ultraschallwandlern |
PCT/EP2003/013003 WO2004047073A2 (de) | 2002-11-20 | 2003-11-19 | Verfahren und vorrichtung zur kühlung von ultraschallwandlern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1565905A2 EP1565905A2 (de) | 2005-08-24 |
EP1565905B1 true EP1565905B1 (de) | 2011-10-05 |
Family
ID=32185938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03767582A Expired - Lifetime EP1565905B1 (de) | 2002-11-20 | 2003-11-19 | Verfahren und vorrichtung zur kühlung von ultraschallwandlern |
Country Status (9)
Country | Link |
---|---|
US (1) | US8004158B2 (ja) |
EP (1) | EP1565905B1 (ja) |
JP (1) | JP4739759B2 (ja) |
KR (1) | KR101248716B1 (ja) |
CN (1) | CN1739137A (ja) |
AT (1) | ATE527651T1 (ja) |
AU (1) | AU2003292052A1 (ja) |
DE (1) | DE10254894B3 (ja) |
WO (1) | WO2004047073A2 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10254894B3 (de) * | 2002-11-20 | 2004-05-27 | Dr. Hielscher Gmbh | Vorrichtung zur Kühlung von Ultraschallwandlern |
EP1868182A1 (de) * | 2006-06-14 | 2007-12-19 | Telsonic Holding AG | Ultraschallgeber mit Kühlflüssigkeit, Ultraschall-Schweissanordnung und Verfahren zum Betreiben eines Ultraschallgebers |
US8475375B2 (en) * | 2006-12-15 | 2013-07-02 | General Electric Company | System and method for actively cooling an ultrasound probe |
US7879200B2 (en) * | 2007-07-05 | 2011-02-01 | Nevada Heat Treating, Inc. | Ultrasonic transducer and horn used in oxidative desulfurization of fossil fuels |
US7790002B2 (en) * | 2007-07-05 | 2010-09-07 | Nevada Heat Treating, Inc. | Ultrasonic transducer and horn used in oxidative desulfurization of fossil fuels |
FR2929040B1 (fr) | 2008-03-18 | 2010-04-23 | Super Sonic Imagine | Dispositif d'insonification presentant une chambre de refroidissement interne |
US20100191113A1 (en) * | 2009-01-28 | 2010-07-29 | General Electric Company | Systems and methods for ultrasound imaging with reduced thermal dose |
RU2452872C2 (ru) | 2010-07-15 | 2012-06-10 | Андрей Леонидович Кузнецов | Пьезоэлектрический насос |
JP2015519727A (ja) * | 2012-04-03 | 2015-07-09 | シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft | 冷却装置 |
DE102012014892A1 (de) | 2012-07-27 | 2014-01-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Stellantrieb und Verfahren zum Entwärmen eines in einem Stellantrieb mit einem Stellglied eingehausten Festkörperaktors |
CN106661535B (zh) * | 2014-01-21 | 2021-03-02 | 普罗美迪卡生物电子学公司 | 用于超声波测试的设备 |
RU2665744C2 (ru) * | 2014-03-31 | 2018-09-04 | Общество С Ограниченной Ответственностью "Рэнк" | Устройство для создания механических колебаний |
CN104148270A (zh) * | 2014-08-05 | 2014-11-19 | 曹学良 | 一种适用于防爆环境的换能器连接方式 |
CN106139426A (zh) * | 2015-04-16 | 2016-11-23 | 金相植 | 具有液体冷却系统的超声波手术用手持件以及装置 |
US11039814B2 (en) | 2016-12-04 | 2021-06-22 | Exo Imaging, Inc. | Imaging devices having piezoelectric transducers |
RU2667476C2 (ru) * | 2016-12-05 | 2018-09-20 | Общество с Ограниченной Ответственностью "РЭНК" ООО "РЭНК" | Шаговый пьезоэлектрический двигатель |
CN108333574B (zh) * | 2017-12-22 | 2022-09-06 | 中国船舶重工集团公司第七一五研究所 | 一种特殊空间覆盖的水声换能器 |
US10656007B2 (en) | 2018-04-11 | 2020-05-19 | Exo Imaging Inc. | Asymmetrical ultrasound transducer array |
US10648852B2 (en) | 2018-04-11 | 2020-05-12 | Exo Imaging Inc. | Imaging devices having piezoelectric transceivers |
JP7406255B2 (ja) | 2018-05-21 | 2023-12-27 | エコー イメージング,インク. | Q値低減を有する超音波トランスデューサ |
CA3105459C (en) | 2018-09-25 | 2023-08-15 | Exo Imaging, Inc. | Imaging devices with selectively alterable characteristics |
WO2020139775A1 (en) | 2018-12-27 | 2020-07-02 | Exo Imaging, Inc. | Methods to maintain image quality in ultrasound imaging at reduced cost, size, and power |
CN109513598B (zh) * | 2018-12-28 | 2023-09-19 | 深圳先进技术研究院 | 背衬结构、背衬结构的制作方法以及超声换能器 |
CN110479687B (zh) * | 2019-08-01 | 2022-04-15 | 合肥国轩高科动力能源有限公司 | 一种动力电池铝壳的超声清洗装置 |
TWI793447B (zh) | 2019-09-12 | 2023-02-21 | 美商艾克索影像股份有限公司 | 經由邊緣溝槽、虛擬樞軸及自由邊界而增強的微加工超音波傳感器(mut)耦合效率及頻寬 |
EP4041463A4 (en) | 2019-10-10 | 2023-10-18 | Sunnybrook Research Institute | SYSTEMS AND METHODS FOR COOLING ULTRASONIC TRANSDUCERS AND ULTRASONIC TRANSDUCER ARRAYS |
CN111111583A (zh) * | 2019-12-17 | 2020-05-08 | 湖州师范学院 | 一种多超声耦合强化高粘度有机废弃物热解炭化装置 |
CN113795789B (zh) | 2020-03-05 | 2022-10-25 | 艾科索成像公司 | 具有可编程解剖和流成像的超声成像装置 |
CN112370595B (zh) * | 2020-11-13 | 2023-04-14 | 武汉盛大康成医药科技有限公司 | 多功能清创仪 |
US11951512B2 (en) | 2021-03-31 | 2024-04-09 | Exo Imaging, Inc. | Imaging devices having piezoelectric transceivers with harmonic characteristics |
US11819881B2 (en) | 2021-03-31 | 2023-11-21 | Exo Imaging, Inc. | Imaging devices having piezoelectric transceivers with harmonic characteristics |
DE102021123704A1 (de) | 2021-09-14 | 2023-03-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Ultraschallwandler, verfahren zur herstellung eines ultraschallwandlers und vorrichtung für eine medizinische therapie mit hochintensivem fokussiertem ultraschall |
Family Cites Families (23)
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US2917642A (en) * | 1955-02-21 | 1959-12-15 | Wright | Pressure-responsive transducer |
US3104335A (en) * | 1959-09-15 | 1963-09-17 | Endevco Corp | Accelerometer |
AT215704B (de) * | 1959-10-02 | 1961-06-26 | Hans Dipl Ing Dr Techn List | Piezoelektrischer Druckgeber |
US3555297A (en) * | 1969-10-13 | 1971-01-12 | Eastman Kodak Co | Cooled ultrasonic transducer |
CA933276A (en) * | 1971-02-05 | 1973-09-04 | J. Last Anthony | Ultrasonic motor |
US3694675A (en) * | 1971-02-25 | 1972-09-26 | Eastman Kodak Co | Cooled ultrasonic transducer |
GB2137316A (en) * | 1983-03-31 | 1984-10-03 | Paul Fuller | Valve apparatus |
JPS60104762A (ja) * | 1983-11-10 | 1985-06-10 | Nippon Soken Inc | 電歪式アクチュエータ及びそれを用いた燃料噴射弁 |
DE4026458A1 (de) * | 1990-08-17 | 1992-02-20 | Mannesmann Ag | Us-pruefvorrichtung |
FR2665844B1 (fr) * | 1990-08-20 | 1996-02-09 | Cogema | Traitement d'agglomerats de particules solides en suspension dans un liquide afin d'obtenir un melange circulant sans depots. |
JPH04181041A (ja) * | 1990-11-16 | 1992-06-29 | Toyota Motor Corp | 車両振動低減装置 |
US5213103A (en) * | 1992-01-31 | 1993-05-25 | Acoustic Imaging Technologies Corp. | Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer |
US5371429A (en) * | 1993-09-28 | 1994-12-06 | Misonix, Inc. | Electromechanical transducer device |
US5560362A (en) * | 1994-06-13 | 1996-10-01 | Acuson Corporation | Active thermal control of ultrasound transducers |
US5630420A (en) * | 1995-09-29 | 1997-05-20 | Ethicon Endo-Surgery, Inc. | Ultrasonic instrument for surgical applications |
US5721463A (en) * | 1995-12-29 | 1998-02-24 | General Electric Company | Method and apparatus for transferring heat from transducer array of ultrasonic probe |
US5961465A (en) * | 1998-02-10 | 1999-10-05 | Hewlett-Packard Company | Ultrasound signal processing electronics with active cooling |
US5955823A (en) * | 1998-05-12 | 1999-09-21 | Ultra Sonus Ab | High power ultrasonic transducer |
US5936163A (en) * | 1998-05-13 | 1999-08-10 | Greathouse; John D. | Portable high temperature ultrasonic testing (UT) piezo probe with cooling apparatus |
DE19836229C1 (de) * | 1998-08-04 | 2000-03-23 | Hielscher Gmbh | Anordnung zur Wärmeableitung, insbesondere für Ultraschallwandler mit hoher Leistung |
DE19837262A1 (de) | 1998-08-17 | 2000-03-09 | Kari Richter | Ultraschall-Applikator |
DE10027264C5 (de) * | 2000-05-31 | 2004-10-28 | Dr. Hielscher Gmbh | Ultraschallwandler |
DE10254894B3 (de) * | 2002-11-20 | 2004-05-27 | Dr. Hielscher Gmbh | Vorrichtung zur Kühlung von Ultraschallwandlern |
-
2002
- 2002-11-20 DE DE10254894A patent/DE10254894B3/de not_active Expired - Fee Related
-
2003
- 2003-11-19 WO PCT/EP2003/013003 patent/WO2004047073A2/de active Application Filing
- 2003-11-19 EP EP03767582A patent/EP1565905B1/de not_active Expired - Lifetime
- 2003-11-19 AT AT03767582T patent/ATE527651T1/de active
- 2003-11-19 JP JP2004552670A patent/JP4739759B2/ja not_active Expired - Fee Related
- 2003-11-19 CN CNA2003801086103A patent/CN1739137A/zh active Pending
- 2003-11-19 AU AU2003292052A patent/AU2003292052A1/en not_active Abandoned
- 2003-11-19 US US10/535,868 patent/US8004158B2/en active Active
- 2003-11-19 KR KR1020057009107A patent/KR101248716B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP4739759B2 (ja) | 2011-08-03 |
US20060126884A1 (en) | 2006-06-15 |
AU2003292052A1 (en) | 2004-06-15 |
US8004158B2 (en) | 2011-08-23 |
KR101248716B1 (ko) | 2013-03-28 |
KR20050075035A (ko) | 2005-07-19 |
ATE527651T1 (de) | 2011-10-15 |
JP2006506633A (ja) | 2006-02-23 |
WO2004047073A2 (de) | 2004-06-03 |
WO2004047073A3 (de) | 2004-09-10 |
DE10254894B3 (de) | 2004-05-27 |
EP1565905A2 (de) | 2005-08-24 |
CN1739137A (zh) | 2006-02-22 |
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