CN103406250A - Single-excitation ultrasonic oval vibration energy converter - Google Patents
Single-excitation ultrasonic oval vibration energy converter Download PDFInfo
- Publication number
- CN103406250A CN103406250A CN2013103738889A CN201310373888A CN103406250A CN 103406250 A CN103406250 A CN 103406250A CN 2013103738889 A CN2013103738889 A CN 2013103738889A CN 201310373888 A CN201310373888 A CN 201310373888A CN 103406250 A CN103406250 A CN 103406250A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- vibration
- transducer
- elliptical
- cover plate
- 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
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 230000005284 excitation Effects 0.000 claims description 26
- 230000009466 transformation Effects 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a single-excitation ultrasonic oval vibration energy converter. The single-excitation ultrasonic oval vibration energy converter comprises an ultrasonic vibration energy converter and an oval vibration mode converter, wherein the ultrasonic vibration energy converter comprises bolts and a rear cover plate, a piezoelectric ceramic piece, an electrode slice and a front cover plate all of which are arranged on the bolt in a sleeved manner and in order, wherein the rear cover plate and the front cover plate connect and tightly compress the rear cover plate, the piezoelectric ceramic piece, the electrode sheet and the front cover plate through the bolts; the oval vibration mode converter is arranged in the front end of the front cover plate and is of an oblique wedged structure; the oval vibration mode converter can convert lengthways ultrasonic vibration generated by the ultrasonic vibration energy converter to lengthways bent composite ultrasonic oval vibration at the terminal end of the oval vibration mode converter. By the adoption of a sandwich type structure, the single-excitation ultrasonic oval vibration energy converter has the advantages of a big power capacity, a simple structure, great rigidity of partial structure of the oval vibration mode converter, high energy conversion efficiency, steady work performances and the like.
Description
Technical field
The present invention relates to utilize the ultrasonic vibration field of piezoelectric ceramics inverse piezoelectric effect, especially relate to a kind of single excitation ultrasonic elliptical vibratory transducer.
Background technology
Ultrasonic elliptical vibratory has application more widely in fields such as UVC, ultra-sonic welded, ultrasonic grinding, ultrasonic polishing, linear ultrasonic motor and rotary ultrasonic motors.The researcher adopts extensional vibration mostly at present, twisting vibration, two kinds of vibration modes in flexural vibrations and radial vibration carry out the compound ultrasonic elliptical vibratory that produces, need to adopt two groups or more piezoelectric ceramic piece to excite generation to have two or more mode of oscillations of certain phase difference, also be necessary for every group of piezoelectric ceramic piece and be equipped with a road ultrasound-driven power supply signal, and need to control the phase difference between each road ultrasound-driven power supply signal, ultrasonic vibration system and control system complex structure, manufacture difficulty is large, the control difficulty is high, production cost is high, be difficult for realizing microminiaturized, service behaviour is stable not, these problems have restricted application and the popularization of ultrasonic elliptical vibratory transducer in industrial production.
In order to overcome the deficiency in above-mentioned ultrasonic elliptical vibratory transducer technology, upper paper of the 31st the 2nd phase of volume of " BJ University of Aeronautics & Astronautics's journal " February in 2005 " based on the elliptical vibration cutting transducer of finite element analysis ", a kind of asymmetric ultrasonic elliptical vibratory cutting of structure transducer of single signal of telecommunication excitation has been proposed, and this transducer has been carried out to finite element dynamic analysis and experimental study, obtained experiment effect preferably, but to further improve the conversion of extensional vibration to flexural vibrations, improve the ratio of elliptical vibration track minor axis and major axis, improve cutting effect, the mode that only relies on ultrasonic transformer front end one side interpolation mass and cutter is dissatisfactory, and from the ultrasonic transformer to the additional mass and from the additional mass to the cutter, need twice physical connection, cause the ultrasonic vibrational energy loss from the PZT (piezoelectric transducer) to the cutter larger, affected the ultrasonic elliptical vibratory cutting effect.
Summary of the invention
The invention provides a kind of novel single excitation ultrasonic elliptical vibratory transducer, purpose is the deficiency existed in above-mentioned single excitation ultrasonic vibration transducer in order to overcome.
Single excitation ultrasonic elliptical vibratory transducer, comprise ultrasonic vibration transducer and elliptical vibration MODAL TRANSFORMATION OF A device, described ultrasonic vibration transducer outline is cylindrical, it comprises bolt and is set in successively back shroud, piezoelectric ceramic piece, electrode slice and the front shroud on bolt, back shroud and front shroud connect back shroud, piezoelectric ceramic piece, electrode slice and front shroud to compress by bolt, formed the power conversion part of ultrasonic vibration transducer, the ultrasonic electric energy of ultrasonic-frequency power supply output has been converted to the ultrasonic vibrational energy of ultrasonic vibration transducer.
Described elliptical vibration MODAL TRANSFORMATION OF A device and front shroud are made into the front end of a whole installation at front shroud, or utilize an additional connection double-screw bolt elliptical vibration MODAL TRANSFORMATION OF A device to be connected in to the front end of front shroud.Elliptical vibration MODAL TRANSFORMATION OF A device is the inclined wedge-shaped structure, the former integral body of inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device is cuboid, after being cut a part, ultrasonic vibration transducer axis direction one side forms the inclined wedge-shaped structure, form in two sides of inclined wedge-shaped, a cut parallel sided is not in the ultrasonic vibration transducer axis, and the another side be cut becomes 3-30 degree angle with the ultrasonic vibration transducer axis.
The purpose that makes elliptical vibration MODAL TRANSFORMATION OF A device form the inclined wedge-shaped structure is in order to change the mode of oscillation of single excitation ultrasonic elliptical vibratory transducer, its extensional vibration model frequency and flexural vibration mode frequency to be approached or equate; Existence due to inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device, the longitudinal ultrasonic vibration that the ultrasonic vibration transducer produces is after being delivered to inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device, end at inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device is decomposed into a part of extensional vibration component and a part of flexural vibrations component, and two oscillating components have certain phase difference, and then be compounded to form the elliptical orbit vibration at the end of inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device.Compare single excitation ultrasonic elliptical vibratory transducer of existing Introduction of Literatures, this list excitation ultrasonic elliptical vibratory transducer has that power capacity is large, energy conversion efficiency is high, simple in structure, the advantage such as the rigidity of structure is large, easy to manufacture, cost is low, control-driven system is simple and vibration performance is stable.
Further, be provided with ring flange on the front shroud of described single excitation ultrasonic elliptical vibratory transducer, for connecting of single excitation ultrasonic elliptical vibratory transducer and external structure.
Further, described single excitation ultrasonic elliptical vibratory transducer only has one group of extensional vibration piezoelectric ceramic piece.
Further, described single excitation ultrasonic elliptical vibratory transducer Zhi Xu mono-road ultrasonic electric signal excitation.
Further, the operating frequency range of single excitation ultrasonic elliptical vibratory transducer is 18kHz-40kHz.
The present invention has adopted mechanical oscillation MODAL TRANSFORMATION OF A mechanism the extensional vibration of ultrasonic vibration transducer to be converted to the vertical curved composite ultrasonic elliptical vibratory of elliptical vibration MODAL TRANSFORMATION OF A device end, simplified the overall structure of single excitation ultrasonic elliptical vibratory transducer, greatly reduce the complexity of vibrational system, manufacture, assembly difficulty and production cost have been reduced, whole single excitation ultrasonic elliptical vibratory transducer architecture is simple, easy to manufacture, is conducive to the realization of microminiaturized target; This invention only needs a road control circuit and ultrasonic electric signal to encourage in addition, the control difficulty is low, avoided two-phase or multiphase ultrasonic vibration to be compounded to form the complicated ultrasonic-frequency power supply development cost of elliptical vibration transducer, control circuit and ultrasonic-frequency power supply structure have been simplified, control circuit and ultrasonic-frequency power supply cost have been reduced, control circuit and ultrasonic-frequency power supply volume have been reduced, be easy to realize the microminiaturization of control circuit and ultrasonic-frequency power supply, integrated, improved reliability, service behaviour is more stable, has a extensive future.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is application example schematic diagram of the present invention.
Number in the figure explanation: 1. bolt, 2. back shroud, 3. piezoelectric ceramic piece, 4. electrode slice, 5. front shroud, 6. ring flange, 7. elliptical vibration MODAL TRANSFORMATION OF A device, 8. ultrasonic-frequency power supply
The specific embodiment
In conjunction with Fig. 1, shown in 2, single excitation ultrasonic elliptical vibratory transducer, comprise ultrasonic vibration transducer and elliptical vibration MODAL TRANSFORMATION OF A device 7, ultrasonic vibration transducer outline is cylindrical, it comprises bolt 1 and is set in successively the back shroud 2 on bolt 1, piezoelectric ceramic piece 3, electrode slice 4 and front shroud 5, on front shroud, be provided with the ring flange 6 that can connect with external structure use, back shroud 2 and front shroud 5 pass through bolt 1 by back shroud 2, piezoelectric ceramic piece 3, electrode slice 4 and front shroud 5 connect compression, formed the power conversion part of single excitation ultrasonic elliptical vibratory transducer, the ultrasonic electric energy of ultrasonic-frequency power supply 8 outputs can be converted to the ultrasonic vibrational energy of ultrasonic vibration transducer, single excitation ultrasonic elliptical vibratory transducer only has one group of extensional vibration piezoelectric ceramic piece 3, piezoelectric ceramic transducer section diameter 30mm, piezoelectric ceramic piece 3 is PZT-8, be of a size of:
Ф 30 * Ф 15 * 5, the sheet number of piezoelectric ceramic piece 3 is 2.
Elliptical vibration MODAL TRANSFORMATION OF A device 7 and front shroud 5 are made into the front end that an one-piece parts is arranged on front shroud 5, and elliptical vibration MODAL TRANSFORMATION OF A device 7 integral body are the inclined wedge-shaped structure, and the former integral body of inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device is cuboid, and the cross section length of side is 15
*15mm, long 40mm, after being cut a part, ultrasonic vibration transducer axis direction one side forms the inclined wedge-shaped structure, form in two sides of inclined wedge-shaped, a cut parallel sided is not in the ultrasonic vibration transducer axis, and the another side be cut becomes 10 degree angles with the ultrasonic vibration transducer axis.
Single excitation ultrasonic elliptical vibratory transducer intrinsic frequency is 24.82KHz, impedance is 76 ohm, dynamic electric resistor is 18 ohm, ultrasonic-frequency power supply 8 output voltage ranges are 0-400V, current range is 0-4A, output frequency is 24.82 ± 0.01KHz, and ultrasonic-frequency power supply 8 has the automatic frequency tracking function in designated frequency range.
During operation, after the signal of telecommunication of electrode slice 4 access ultrasonic-frequency power supply 8 outputs of single excitation ultrasonic elliptical vibratory transducer, inverse piezoelectric effect due to piezoelectric ceramic piece 3, piezoelectric ceramic piece 3 will produce the longitudinal ultrasonic vibration, be that the ultrasonic vibration transducer is converted to ultrasonic vibrational energy by the electric energy of ultrasonic-frequency power supply 8 outputs, and drive whole transducer system and carry out the longitudinal ultrasonic vibration, after when ultrasonic vibrational energy, from the ultrasonic vibration transducer, being delivered to elliptical vibration MODAL TRANSFORMATION OF A device 7 ends, be converted to extensional vibration and the compound vertical curved composite ultrasonic elliptical vibratory of flexural vibrations with certain phase difference, namely be converted to the vertical curved composite ultrasonic elliptical vibratory of elliptical vibration MODAL TRANSFORMATION OF A device 7 ends.
When single excitation ultrasonic elliptical vibratory transducer on-load voltage, after moving 10 minutes and reaching the stable vibration state, the output voltage of ultrasonic-frequency power supply 8 is 220V, electric current is 1.20A, the ultrasonic elliptical vibratory length semiaxis amplitude that uses laser doppler vibrometer to record elliptical vibration MODAL TRANSFORMATION OF A device 7 ends is respectively 11.2 microns and 4.2 microns, and by the dual trace oscilloscope with lissajouf figure calculation function, the signal that laser doppler vibrometer records is carried out to graphic operation, can obtain axial ratio and be 2.67 ultrasonic elliptical vibratory track.
Claims (4)
1. list encourages the ultrasonic elliptical vibratory transducer: comprise ultrasonic vibration transducer and elliptical vibration MODAL TRANSFORMATION OF A device, described ultrasonic vibration transducer outline is cylindrical, it comprises bolt and is set in successively back shroud, piezoelectric ceramic piece, electrode slice and the front shroud on bolt, and back shroud and front shroud connect back shroud, piezoelectric ceramic piece, electrode slice and front shroud to compress by bolt; It is characterized in that: described elliptical vibration MODAL TRANSFORMATION OF A device is arranged on the front end of front shroud, for the inclined wedge-shaped structure, the former integral body of inclined wedge-shaped structure elliptical vibration MODAL TRANSFORMATION OF A device is cuboid, after being cut a part, ultrasonic vibration transducer axis direction one side forms the inclined wedge-shaped structure, form in two sides of inclined wedge-shaped, a cut parallel sided is not in the ultrasonic vibration transducer axis, and the another side be cut becomes 3-30 degree angle with the ultrasonic vibration transducer axis.
2. list according to claim 1 encourages the ultrasonic elliptical vibratory transducer, and it is characterized in that: described elliptical vibration MODAL TRANSFORMATION OF A device and front shroud are made into an one-piece parts.
3. single excitation ultrasonic elliptical vibratory transducer according to claim 1, is characterized in that: also comprise that connects a double-screw bolt, for elliptical vibration MODAL TRANSFORMATION OF A device being connected in to the front end of front shroud.
4. single excitation ultrasonic elliptical vibratory transducer according to claim 1 is characterized in that: on front shroud, be provided with ring flange, for connecting of single excitation ultrasonic elliptical vibratory transducer and external structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373888.9A CN103406250B (en) | 2013-08-26 | 2013-08-26 | Single excitation ultrasonic elliptical vibratory transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373888.9A CN103406250B (en) | 2013-08-26 | 2013-08-26 | Single excitation ultrasonic elliptical vibratory transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406250A true CN103406250A (en) | 2013-11-27 |
| CN103406250B CN103406250B (en) | 2015-08-05 |
Family
ID=49599318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310373888.9A Active CN103406250B (en) | 2013-08-26 | 2013-08-26 | Single excitation ultrasonic elliptical vibratory transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103406250B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439890A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single-excitation ultrasonic elliptical vibration extrusion processing device |
| CN104440140A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single electrical signal excitation ultrasonic elliptic vibration micro-machining working platform |
| CN104439892A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration extrusion processing device |
| CN104440560A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration grinding wheel dressing device |
| CN104438029A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration micro-machining working platform |
| CN104475320A (en) * | 2014-12-09 | 2015-04-01 | 苏州科技学院 | Single-excitation ultrasonic elliptical vibration micro-machining work platform |
| CN104475318A (en) * | 2014-11-19 | 2015-04-01 | 东莞市优超精密技术有限公司 | Low-impedance ultrasonic machining energy converter |
| CN106239230A (en) * | 2016-08-30 | 2016-12-21 | 四川大学 | A kind of method for designing of ultrasonic elliptical vibratory cutting device |
| CN111495722A (en) * | 2019-01-30 | 2020-08-07 | 成都科汇模具有限公司 | Medical ultrasonic knife transducer |
| CN114453228A (en) * | 2021-12-30 | 2022-05-10 | 广东工业大学 | Ultrasonic transmission component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09121573A (en) * | 1995-10-27 | 1997-05-06 | Olympus Optical Co Ltd | Ultrasonic vibrator and ultrasonic motor using it |
| CN101804575A (en) * | 2010-03-05 | 2010-08-18 | 清华大学 | Elliptical ultrasonic vibration auxiliary cutting device with adjustable track |
| CN103191859A (en) * | 2013-05-08 | 2013-07-10 | 苏州科技学院 | Single driven ultrasonic elliptical vibration transducer |
| CN203484326U (en) * | 2013-08-26 | 2014-03-19 | 苏州科技学院 | Single-actuator ultrasonic elliptical vibration transducer |
-
2013
- 2013-08-26 CN CN201310373888.9A patent/CN103406250B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09121573A (en) * | 1995-10-27 | 1997-05-06 | Olympus Optical Co Ltd | Ultrasonic vibrator and ultrasonic motor using it |
| CN101804575A (en) * | 2010-03-05 | 2010-08-18 | 清华大学 | Elliptical ultrasonic vibration auxiliary cutting device with adjustable track |
| CN103191859A (en) * | 2013-05-08 | 2013-07-10 | 苏州科技学院 | Single driven ultrasonic elliptical vibration transducer |
| CN203484326U (en) * | 2013-08-26 | 2014-03-19 | 苏州科技学院 | Single-actuator ultrasonic elliptical vibration transducer |
Non-Patent Citations (1)
| Title |
|---|
| 李华 等: "新型单激励椭圆超声振动切削系统的研究", 《中国机械工程》, vol. 16, no. 22, 30 November 2005 (2005-11-30), pages 1983 - 1990 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475318A (en) * | 2014-11-19 | 2015-04-01 | 东莞市优超精密技术有限公司 | Low-impedance ultrasonic machining energy converter |
| CN104439890A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single-excitation ultrasonic elliptical vibration extrusion processing device |
| CN104440140A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single electrical signal excitation ultrasonic elliptic vibration micro-machining working platform |
| CN104439892A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration extrusion processing device |
| CN104440560A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration grinding wheel dressing device |
| CN104438029A (en) * | 2014-12-09 | 2015-03-25 | 苏州科技学院 | Single excitation ultrasonic elliptic vibration micro-machining working platform |
| CN104475320A (en) * | 2014-12-09 | 2015-04-01 | 苏州科技学院 | Single-excitation ultrasonic elliptical vibration micro-machining work platform |
| CN104438029B (en) * | 2014-12-09 | 2016-08-24 | 苏州科技学院 | A kind of single excitation ultrasonic elliptical vibratory microfabrication work platforms |
| CN106239230A (en) * | 2016-08-30 | 2016-12-21 | 四川大学 | A kind of method for designing of ultrasonic elliptical vibratory cutting device |
| CN111495722A (en) * | 2019-01-30 | 2020-08-07 | 成都科汇模具有限公司 | Medical ultrasonic knife transducer |
| CN111495722B (en) * | 2019-01-30 | 2021-05-07 | 成都科汇模具有限公司 | Medical ultrasonic knife transducer |
| CN114453228A (en) * | 2021-12-30 | 2022-05-10 | 广东工业大学 | Ultrasonic transmission component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103406250B (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103406250B (en) | Single excitation ultrasonic elliptical vibratory transducer | |
| CN103447557B (en) | Single excitation ultrasonic elliptical vibratory truning fixture | |
| CN103191859B (en) | Single driven ultrasonic elliptical vibration transducer | |
| CN103192097B (en) | Single driven ultrasonic elliptical vibration turning device | |
| CN203253608U (en) | Single-actuator ultrasonic elliptical vibration transducer | |
| CN103414373B (en) | Single stimulated rotation ultrasonic motor | |
| CN203401087U (en) | Single-excitation ultrasonic oval vibrating turning device | |
| CN103414370B (en) | Singly encourage linear ultrasonic motor | |
| CN104607671A (en) | Single-excitation ultrasound oval vibration turning device | |
| CN104438028B (en) | A kind of single excitation ultrasonic elliptical vibratory transducer | |
| CN203484326U (en) | Single-actuator ultrasonic elliptical vibration transducer | |
| CN103199731B (en) | One singly encourages linear ultrasonic motor | |
| CN204320630U (en) | A kind of single excitation ultrasonic elliptical vibratory transducer | |
| CN103401470A (en) | Bidirectional driving straight-line supersonic motor | |
| CN103208943B (en) | A kind of single stimulated rotation ultrasonic motor | |
| CN203221210U (en) | Single-simulation ultrasonic elliptical vibration turning device | |
| CN203406797U (en) | Single excitation linear ultrasonic motor | |
| CN104475320A (en) | Single-excitation ultrasonic elliptical vibration micro-machining work platform | |
| CN103414372A (en) | Two-way driving rotating ultrasonic motor | |
| CN203457073U (en) | Bidirectionally driven linear ultrasonic motor | |
| CN203225675U (en) | Bidirectional-driving linear ultrasonic motor | |
| CN103227584B (en) | A kind of bi-directional drive linear ultrasonic motor | |
| CN203406800U (en) | Single excitation rotary ultrasonic motor | |
| CN201854204U (en) | Linear ultrasonic motor based on alternating force | |
| CN203225674U (en) | Single-excitation linear ultrasonic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yin Zhen Inventor after: Wang Zhongwang Inventor after: Cao Ziyang Inventor after: Li Hua Inventor after: Li Zheng Inventor after: Li Huan Inventor after: Bai Yongting Inventor after: Chen Yuan Inventor after: Yang Xinming Inventor after: Ding Wenyu Inventor before: Yin Zhen Inventor before: Lv Ziqiang Inventor before: Li Hua Inventor before: Cao Ziyang Inventor before: Li Yan Inventor before: Wang Bangfu Inventor before: Xie Ou Inventor before: Liu Yisheng Inventor before: Wu Yongzhi Inventor before: Li Zheng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YIN ZHEN LI HUA CAO ZIYANG LI YAN WANG BANGFU XIE OU LIU YISHENG WU YONGZHI LI ZHENG LV ZIQIANG TO: YIN ZHEN CAO ZIYANG LI HUA LI ZHENG LI HUAN BAI YONGTING CHEN YUAN YANG XINMING DING WENYU WANG ZHONGWANG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215021 No. 298 Binhe Road, Suzhou City, Jiangsu Province Patentee after: Suzhou University of Science and Technology Address before: 215009 Suzhou City, Jiangsu province high tech Zone CREE Road, No. 1 Patentee before: University of Science and Technology of Suzhou |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: No. 88, Jinhe Road, bazha Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Jiuxiang Aviation Equipment Co., Ltd Address before: 215021 No. 298 Binhe Road, Suzhou City, Jiangsu Province Patentee before: Suzhou University of Science and Technology |