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11. 发明申请

US20100327704A1 Piezoelectric Actuator Unit and Method for Manufacturing the Same 有权
标题翻译：压电致动器单元及其制造方法
公开(公告)号：US20100327704A1
公开(公告)日：2010-12-30
申请号：US12446175
申请日：2006-10-20
申请人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： H01L41/083 , H01L41/24
CPC分类号： H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided.The piezoelectric actuator unit including a multi-layer piezoelectric element having piezoelectric layers and metal layers with the piezoelectric layers and the metal layers being stacked one on another, and a case which houses the multi-layer piezoelectric element, wherein at least one of the plurality of metal layers is stress relieving layer which consists of a plurality of partial metal layers that are scattered throughout the entire region between two piezoelectric layers which adjoin the partial metal layers in the direction of stacking, and voids, and a peel-off section is formed at least in a part of the interface between the stress relieving layer and the piezoelectric layer that adjoins therewith.
摘要翻译：提供了一种压电致动器单元，其在较高的电压和高压下长时间地进行位移量变化较小并且连续运行时的耐久性较高。压电致动器单元包括具有压电层的层压型压电元件和压电层和金属层彼此堆叠的金属层，以及容纳多层压电元件的壳体，其中，多个金属层的应力消除层由多个部分金属层构成，该多个部分金属层在层叠方向上与部分金属层相邻的两个压电层之间的整个区域分散，形成空隙，形成剥离部至少在应力消除层和与其相邻的压电层之间的界面的一部分中。

12. 发明申请

US20080218029A1 PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD OF MANUFACTURING A PIEZOCERAMIC MULTILAYER ACTUATOR 有权
标题翻译： PIEZOCERAMIC MULTILAYER执行器和制造PIEZOCERAMIC MULTILERER执行器的方法
公开(公告)号：US20080218029A1
公开(公告)日：2008-09-11
申请号：US12032509
申请日：2008-02-15
申请人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/083 , H02N2/00 , H01L41/187 , B32B37/06
CPC分类号： H01L41/273 , H01L41/0838
摘要： A piezoceramic multilayer actuator (10) has a plurality of piezoceramic layers (12) and a security layer (20) disposed between two piezoceramic layers (12). The piezoceramic layers (12) have a piezoceramic first material sintered at a sintering temperature. The security layer (20) has a second material (32) and particles (30) at least partially embedded in the second material (32). The particles (30) have a third material different from the first material and different from the second material (32). An adhesion between the third material and the first material is weaker than an adhesion between the second material (32) and the first material.
摘要翻译：压电陶瓷多层致动器（10）具有多个压电陶瓷层（12）和设置在两个压电陶瓷层（12）之间的安全层（20）。压电陶瓷层（12）具有在烧结温度下烧结的压电陶瓷第一材料。安全层（20）具有至少部分地嵌入第二材料（32）中的第二材料（32）和颗粒（30）。颗粒（30）具有不同于第一材料并且不同于第二材料（32）的第三材料。第三材料和第一材料之间的粘附力弱于第二材料（32）和第一材料之间的粘合力。

13. 发明申请

US20080218028A1 Piezoceramic Multilayer Actuator and Method of Manufacturing a Piezoceramic Multilayer Actuator 有权
标题翻译：压电陶瓷多层致动器和制造压电陶瓷多层致动器的方法
公开(公告)号：US20080218028A1
公开(公告)日：2008-09-11
申请号：US12031385
申请日：2008-02-14
申请人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/083 , H01L41/187 , H01L41/24
CPC分类号： H01L41/273 , H01L41/0838 , H01L41/1876
摘要： In a method of manufacturing a piezoceramic multilayer actuator (10), a plurality of green layers is provided, wherein the green layers are to be converted to piezoceramic layers (12) with a piezoceramic material in a subsequent step of heating. A security layer material mixture with a second material (32) and particles (30) embedded in the second material (32) is provided, wherein the particles (30) have a third material different from the first material and different from the second material (32). The security layer material mixture is laminated between two piezoceramic layers (12), thereby forming a green stack. The green stack is heated to a sintering temperature, wherein the green layers are converted to the piezoceramic layers (12), and wherein a chemical reaction of the third material degrades the mechanical connection of the piezoceramic layers (12) by the security layer (20).
摘要翻译：在制造压电陶瓷多层致动器（10）的方法中，提供多个生坯层，其中在随后的加热步骤中，将绿色层用压电陶瓷材料转换成压电陶瓷层（12）。提供了具有第二材料（32）和嵌入第二材料（32）中的颗粒（30）的安全层材料混合物，其中所述颗粒（30）具有不同于第一材料并且不同于第二材料 32）。将安全层材料混合物层压在两个压电陶瓷层（12）之间，由此形成一个绿色叠层。将绿色叠层加热至烧结温度，其中绿色层转变为压电陶瓷层（12），并且其中第三材料的化学反应降低了压电陶瓷层（12）与安全层（20）的机械连接）。

14. 发明申请

US20100090033A1 Multi-Layer Piezoelectric Element, Injection Apparatus Using the Same and Method of Multi-Layer Piezoelectric Element 失效
标题翻译：多层压电元件，使用其的注入装置和多层压电元件的方法
公开(公告)号：US20100090033A1
公开(公告)日：2010-04-15
申请号：US12532606
申请日：2007-03-27
申请人： Takami Sakamoto , Masahiro Imagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Takami Sakamoto , Masahiro Imagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： F02M51/06 , H01L41/16 , H01L41/083 , H01L41/24
CPC分类号： H01L41/273 , F02M51/0603 , H01L41/0471 , H01L41/0477 , H01L41/0838 , Y10T29/42
摘要： A multi-layer piezoelectric element having higher durability which experience less decrease in the amount of displacement even when operated continuously over a long period of time under a high pressure and a high voltage is provided. The multi-layer piezoelectric element comprises a plurality of piezoelectric layers and a plurality of internal electrode layers, wherein the piezoelectric layers and the internal electrode layers are stacked alternately one on another, and at least one of the plurality of internal electrode layers contains at least one nitride, titanium nitride or zirconium nitride.
摘要翻译：具有更高耐久性的层叠型压电元件即使在高压和高电压下连续长时间运行，也具有更小的位移减少量。层叠型压电元件包括多个压电层和多个内部电极层，其中，压电层和内部电极层交替地层叠，多个内部电极层中的至少一个至少含有一种氮化物，氮化钛或氮化锆。

15. 发明申请

US20110017177A1 Monolithic piezoactuator with transition region and safety layer, and use of the piezoactuator 审中-公开
标题翻译：具有过渡区域和安全层的单片压电致动器，以及压电致动器的使用
公开(公告)号：US20110017177A1
公开(公告)日：2011-01-27
申请号：US12445955
申请日：2007-10-23
申请人： Masahiro Inagaki , Harald Johannes Kastl , Takami Sakamoto , Carsten Schuh
发明人： Masahiro Inagaki , Harald Johannes Kastl , Takami Sakamoto , Carsten Schuh
IPC分类号： F02M51/00 , H01L41/083 , H02N2/04 , H01S4/00
CPC分类号： H01L41/0838 , F02M51/0603 , Y10T29/49002
摘要： A piezoactuator of monolithic multilayer design with an overall stack has at least one piezoelectrically active partial stack with piezoceramic layers arranged one above another and electrode layers arranged between these layers, at least one piezoelectrically inactive terminating region arranged above the partial stack, and at least one transition region arranged between the partial stack and the terminating region. The transition region has piezoceramic layers arranged one above another and electrode layers arranged between the piezoceramic layers and the piezoceramic layers and the electrode layers are arranged on one another such that there the electric fields that can be coupled into the piezoceramic layers are changed by electrical driving of the electrode layers successively in the transition region stack direction from piezoceramic layer to piezoceramic layer, and the partial stack has a safety layer towards the transition region, wherein a crack is preferably formed in the case of mechanical overloading.
摘要翻译：具有整体堆叠的单片多层设计的压电致动器具有至少一个压电活性部分叠层，其中压电陶瓷层布置在另一个之上，并且布置在这些层之间的电极层，至少一个布置在部分叠层之上的压电非活化终止区域，以及至少一个过渡区域布置在部分堆叠和终止区域之间。过渡区域具有一层压电陶瓷层，并且布置在压电陶瓷层和压电陶瓷层之间的电极层彼此排列，使得可以耦合到压电陶瓷层中的电场通过电驱动而改变的电极层在过渡区堆叠方向上连续地从压电陶瓷层到压电陶瓷层，并且部分叠层具有朝向过渡区域的安全层，其中在机械过载的情况下优选形成裂纹。

16. 发明申请

US20100102138A1 PIEZOELECTRIC COMPONENT COMPRISING A SECURITY LAYER AND AN INFILTRATION BARRIER AND A METHOD FOR THE PRODUCTION THEREOF 有权
标题翻译：包含安全层和渗透阻挡层的压电元件及其生产方法
公开(公告)号：US20100102138A1
公开(公告)日：2010-04-29
申请号：US12593375
申请日：2008-03-26
申请人： Michael Denzler , Christoph Hamann , Harald Johannes Kastl , Stefan Kohn , Maximilian Kronberger , Christian Reichinger , Carsten Schuh , Claus Zumstrull
发明人： Michael Denzler , Christoph Hamann , Harald Johannes Kastl , Stefan Kohn , Maximilian Kronberger , Christian Reichinger , Carsten Schuh , Claus Zumstrull
IPC分类号： B05B17/00 , H01L41/083 , H01L41/053 , H01L41/24 , B05B1/30
CPC分类号： H01L41/273 , H01L41/0838 , Y10T29/42
摘要： A piezoelectric component with a monolithic stack, has electrode layers and piezoceramic layers arranged alternately one on top of the other, the piezoceramic layers have a piezoceramic, and having at least one porous security layer arranged in the stack for the formation of a crack if mechanical overload of the stack should occur. The piezoelectric component has an infiltration barrier arranged between the security layer and a lateral surface section of the stack for suppressing the penetration of a foreign substance into the security layer. The piezoelectric component can be as a piezoactuator for controlling a valve, particularly a valve of an internal combustion engine.
摘要翻译：具有单片堆叠的压电元件具有彼此交替排列的电极层和压电陶瓷层，压电陶瓷层具有压电陶瓷，并且具有布置在堆叠中的至少一个多孔安全层用于形成裂纹，如果机械应发生堆栈过载。压电元件具有布置在安全层和堆叠的侧表面部分之间的渗透屏障，用于抑制异物渗透到安全层中。压电元件可以作为用于控制阀门，特别是内燃机的阀门的压电致动器。

17. 发明申请

US20080185938A1 Monolithic Piezo Actuator With a Change in the Electrode Structure in the Junction Region, and Use of the Piezo Actuator 有权
标题翻译：连接区域电极结构发生变化的单片压电致动器以及压电致动器的使用
公开(公告)号：US20080185938A1
公开(公告)日：2008-08-07
申请号：US11996601
申请日：2006-07-26
申请人： Harald Johannes Kastl , Carsten Schuh
发明人： Harald Johannes Kastl , Carsten Schuh
IPC分类号： H01L41/083 , H01L41/187 , H01L41/047
CPC分类号： H01L41/257 , H01L41/0471 , H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezo actuator in a monolithic multilayer design, has at least one piezoelectrically active stack element, wherein the stack element has stacked piezoceramic layers made of piezoceramic material and electrode layers arranged between the piezoceramic layers, at least one piezoelectrically inactive terminating region arranged above the stack element, and at least one junction region arranged between the stack element and the terminating region, wherein the stack element, the terminating region and the junction region are connected to one another to form a monolithic total stack. The junction region has stacked piezoceramic layers and electrode layers arranged between the piezoceramic layers, and the piezoceramic layers and the electrode layers are in a form and are arranged on one another such that in the stack direction of the junction region one piezoelectrically active area per junction piezoceramic layer is successively changed from piezoceramic layer to piezoceramic layer.
摘要翻译：一种整体式多层设计中的压电致动器，具有至少一个压电有源堆叠元件，其中堆叠元件具有由压电陶瓷材料制成的堆叠的压电陶瓷层和布置在压电陶瓷层之间的电极层，至少一个布置在堆叠之上的压电非活化终止区元件，以及布置在堆叠元件和终止区域之间的至少一个结区域，其中堆叠元件，端接区域和结区域彼此连接以形成整体堆叠。接合区域具有堆叠的压电陶瓷层和布置在压电陶瓷层之间的电极层，并且压电陶瓷层和电极层呈一种形式并且彼此布置，使得在接合区域的堆叠方向上每个结的一个压电有源面积压电陶瓷层从压电陶瓷层依次改变为压电陶瓷层。

18. 发明授权

US08264125B2 Piezoelectric component comprising a security layer and an infiltration barrier and a method for the production thereof 有权
标题翻译：包含安全层和渗透屏障的压电元件及其制造方法
公开(公告)号：US08264125B2
公开(公告)日：2012-09-11
申请号：US12593375
申请日：2008-03-26
申请人： Michael Denzler , Christoph Hamann , Harald Johannes Kastl , Stefan Kohn , Maximilian Kronberger , Christian Reichinger , Carsten Schuh , Claus Zumstrull
发明人： Michael Denzler , Christoph Hamann , Harald Johannes Kastl , Stefan Kohn , Maximilian Kronberger , Christian Reichinger , Carsten Schuh , Claus Zumstrull
IPC分类号： H01L41/04 , H01L41/08
CPC分类号： H01L41/273 , H01L41/0838 , Y10T29/42
摘要： A piezoelectric component with a monolithic stack, has electrode layers and piezoceramic layers arranged alternately one on top of the other, the piezoceramic layers have a piezoceramic, and having at least one porous security layer arranged in the stack for the formation of a crack if mechanical overload of the stack should occur. The piezoelectric component has an infiltration barrier arranged between the security layer and a lateral surface section of the stack for suppressing the penetration of a foreign substance into the security layer. The piezoelectric component can be as a piezoactuator for controlling a valve, particularly a valve of an internal combustion engine.
摘要翻译：具有单片堆叠的压电元件具有彼此交替排列的电极层和压电陶瓷层，压电陶瓷层具有压电陶瓷，并且具有布置在堆叠中的至少一个多孔安全层用于形成裂纹，如果机械应发生堆栈过载。压电元件具有布置在安全层和堆叠的侧表面部分之间的渗透屏障，用于抑制异物渗透到安全层中。压电元件可以作为用于控制阀门，特别是内燃机的阀门的压电致动器。

19. 发明申请

US20100026144A1 PIEZOELECTRIC COMPONENT COMPRISING SECURITY LAYER AND METHOD FOR THE PRODUCTION THEREOF 有权
标题翻译：包含安全层的压电元件及其生产方法
公开(公告)号：US20100026144A1
公开(公告)日：2010-02-04
申请号：US12593319
申请日：2008-03-26
申请人： Harald Johannes Kastl , Carsten Schuh
发明人： Harald Johannes Kastl , Carsten Schuh
IPC分类号： H01L41/00 , H01L41/24 , F16K31/02
CPC分类号： F02M63/0026 , H01L41/0533 , H01L41/0838 , H01L41/23 , Y10T29/42
摘要： A piezoelectric component with a monolithic stack has piezoceramic layers and electrode layers arranged alternately one on top of the other, at least one porous security layer arranged in the stack for the formation of a crack if mechanical overload of the stack occurs, at least one outer electrode arranged at a lateral surface section for electric contacting of the electrode layers and a plastic sheath of the stack for protecting the stack, wherein the plastic sheath has silicon. The piezoelectric component is characterized in that a coating of the outer electrode, has silicon-free polymer, is arranged between the outer electrode and the plastic sheath. By coating the plating of the outer electrode, the area of the security layer present directly under the plating is protected from silicon component deposits. The piezoelectric component is used for the control of valves, particularly of injection valves of internal combustion engines.
摘要翻译：具有整体堆叠的压电元件具有交替地彼此交替布置的压电陶瓷层和电极层，至少一个布置在堆叠中的多孔安全层，用于在发生堆叠的机械过载时形成裂纹，至少一个外部电极布置在用于电极层的电接触的侧表面部分和用于保护叠层的堆叠的塑料护套，其中塑料护套具有硅。压电元件的特征在于，在外电极和塑料护套之间设置具有无硅聚合物的外电极涂层。通过涂覆外部电极的电镀，直接在电镀层下方的安全层的面积被保护免受硅成分沉积。压电元件用于控制阀门，特别是内燃机的喷射阀。

20. 发明授权

US07420319B2 Piezoelectric component with predetermined breaking point and method for manufacturing and using the component 有权
标题翻译：具有预定断裂点的压电元件及其制造和使用方法
公开(公告)号：US07420319B2
公开(公告)日：2008-09-02
申请号：US11202763
申请日：2005-08-12
申请人： Harald Johannes Kastl , Carsten Schuh
发明人： Harald Johannes Kastl , Carsten Schuh
IPC分类号： H01L41/08
CPC分类号： H01L41/0471 , H01L41/0838 , H01L41/273
摘要： A piezoelectric component (1) has at least one monolithic piezo element (10) having an electrode layer (101), at least one further electrode layer (102), at least one piezoceramic layer (103) disposed between the electrode layers and at least one predetermined breaking point (100) which, in the event of mechanical overload of the piezo element, leads to the formation of a specific crack (110) in the monolithic piezo element, wherein the predetermined breaking point includes the electrode layer. The component is, for example, a piezoelectric actuator with a monolithic actuator body (2) in which piezo elements with predetermined breaking points and further piezo elements (11) without predetermined breaking points are arranged one on top of the other and sintered collectively.
摘要翻译：压电元件（1）具有至少一个具有电极层（101），至少一个另外的电极层（102），至少一个设置在电极层之间的压电陶瓷层（103）和至少一个压电元件一个预定的断点（100），其在压电元件的机械过载的情况下导致在单片压电元件中形成特定的裂纹（110），其中预定断裂点包括电极层。该部件例如是具有单片致动器主体（2）的压电致动器，其中具有预定断裂点的压电元件和没有预定断裂点的另外的压电元件（11）一个放置在另一个之上并共同烧结。

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