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1. 发明授权

US08704430B2 Piezoceramic multilayer actuator with high reliability 有权
标题翻译：压电陶瓷多层致动器具有高可靠性
公开(公告)号：US08704430B2
公开(公告)日：2014-04-22
申请号：US12376346
申请日：2007-08-06
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/083
CPC分类号： H01L41/273 , H01L41/0838
摘要： A piezoceramic multilayer actuator has a first sub-stack (12, 14, 16) with a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, a second sub-stack (12, 14, 16) has a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, and a connection layer (40) arranged between the first sub-stack (12, 14, 16) and the second sub-stack (12, 14, 16), wherein the connection layer (40) is set up by a multitude of single connection points or connection lines (44) or other connection regions.
摘要翻译：压电陶瓷多层致动器具有具有多个压电陶瓷层（22）和至少一个内部电极（24,26）的第一子堆叠（12,14,16），所述压电陶瓷层（22）和所述至少一个内部电极（24,26）以交替的方式层压，第二子堆叠（12,14,16）具有多个压电陶瓷层（22）和至少一个内部电极（24,26），所述压电陶瓷层 22）和所述至少一个内部电极（24,26）以交替的方式层叠，以及布置在所述第一子堆叠（12,14）和所述第二子堆叠（12）之间的连接层（40），14,16），其中所述连接层（40）由多个单个连接点或连接线（44）或其它连接区域设置。

2. 发明授权

US07948150B2 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：US07948150B2
公开(公告)日：2011-05-24
申请号：US12031385
申请日：2008-02-14
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/053
CPC分类号： H01L41/273 , H01L41/0838 , H01L41/1876
摘要： A piezoceramic multilayer actuator (10) includes a plurality of green layers, 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：压电陶瓷多层致动器（10）包括多个绿色层，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）。

3. 发明申请

US20100019620A1 PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD FOR ITS PRODUCTION 有权
标题翻译： PIEZOCERAMIC MULTILAYER执行器及其生产方法
公开(公告)号：US20100019620A1
公开(公告)日：2010-01-28
申请号：US12520888
申请日：2007-12-19
申请人： Harald Johannes Kastl , Christian Reichinger , Carsten Schuh
发明人： Harald Johannes Kastl , Christian Reichinger , Carsten Schuh
IPC分类号： H01L41/04 , H01L41/22
CPC分类号： H01L41/0533 , H01L41/0838 , H01L41/23 , H01L41/273 , Y10T29/42
摘要： In a piezoelectric multilayer actuator (1) having micromechanical relief zones (30) and an insulation layer (40) as well as in a method for producing said actuator, as a result of the micromechanical relief zones (30), poling cracks are concentrated in these relief regions (30). This makes it possible to provide the sections I, II, III of the multilayer actuator (1) with an insulation layer (40) which only has an extension behaviour similar to the multilayer actuator (1) without poling cracks.
摘要翻译：在具有微机械卸载区（30）和绝缘层（40）的压电多层致动器（1）中以及用于制造所述致动器的方法中，由于微机械卸载区（30），极化裂纹集中在这些浮雕区域（30）。这使得可以向多层致动器（1）的部分I，II，III提供仅具有类似于多层致动器（1）的延伸行为的绝缘层（40），而不会发生极化的裂纹。

4. 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）。

5. 发明申请

US20080203857A1 Monolithic Piezoactuator With Rotation of the Polarisation in the Transition Region and Use of Said Piezoactuator 有权
标题翻译：过渡区域极化旋转的单片压电元件及所述压电元件的使用
公开(公告)号：US20080203857A1
公开(公告)日：2008-08-28
申请号：US11996573
申请日：2006-07-26
申请人： Harald Johannes Kastl , Andreas Lenk , Carsten Schuh , Claus Zumstrull
发明人： Harald Johannes Kastl , Andreas Lenk , Carsten Schuh , Claus Zumstrull
IPC分类号： H01L41/083 , H01L41/047 , H01L41/187
CPC分类号： H01L41/257 , H01L41/0471 , H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezoactuator has at least one piezoelectric-active partial stack with piezoceramic layers arranged one over the other with piezoceramic material and electrode layers arranged between the piezoceramic layers, at least one piezoelectric-inactive terminating region arranged over the partial stack and at least one transition region between the partial stack and the terminating region, the partial stack, the terminating region and the transition region all connected together to give a monolithic complete stack. The transition region has a transition region stack with piezoceramic layers arranged one over the other and electrode layers arranged between the piezoceramic layers both have a form and are arranged on each other such that, in the stack direction of the transition region stack, from piezoceramic layer to piezoceramic layer there is a successive rotation about a main axis of the polarity and/or a rotation of the main axis of the electric control is provided.
摘要翻译：压电致动器具有至少一个压电活性部分叠层，压电陶瓷层彼此排列，压电陶瓷材料和布置在压电陶瓷层之间的电极层，至少一个排列在部分叠层上的压电非活化终止区域和至少一个过渡区域在部分堆叠和终止区域之间，部分堆叠，终止区域和过渡区域全部连接在一起，以提供整体堆叠。过渡区域具有过渡区堆叠，其中压电陶瓷层彼此排列，并且布置在压电陶瓷层之间的电极层都具有一种形式并且彼此排列，使得在过渡区堆叠的堆叠方向上，从压电陶瓷层对于压电陶瓷层，存在围绕极性的主轴的连续旋转和/或提供电控制的主轴的旋转。

6. 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。

7. 发明授权

US07843114B2 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：US07843114B2
公开(公告)日：2010-11-30
申请号：US12032509
申请日：2008-02-15
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/04
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。

8. 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。

9. 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。

10. 发明申请

US20100194247A1 PIEZOCERAMIC MULTILAYER ACTUATOR WITH HIGH RELIABILITY 有权
标题翻译：具有高可靠性的PIEZOCERAMIC MULTILERER执行器
公开(公告)号：US20100194247A1
公开(公告)日：2010-08-05
申请号：US12376346
申请日：2007-08-06
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/083
CPC分类号： H01L41/273 , H01L41/0838
摘要： A piezoceramic multilayer actuator has a first sub-stack (12, 14, 16) with a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, a second sub-stack (12, 14, 16) has a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, and a connection layer (40) arranged between the first sub-stack (12, 14, 16) and the second sub-stack (12, 14, 16), wherein the connection layer (40) is set up by a multitude of single connection points or connection lines (44) or other connection regions.
摘要翻译：压电陶瓷多层致动器具有具有多个压电陶瓷层（22）和至少一个内部电极（24,26）的第一子堆叠（12,14,16），所述压电陶瓷层（22）和所述至少一个内部电极（24,26）以交替的方式层压，第二子堆叠（12,14,16）具有多个压电陶瓷层（22）和至少一个内部电极（24,26），所述压电陶瓷层 22）和所述至少一个内部电极（24,26）以交替的方式层叠，以及布置在所述第一子堆叠（12,14）和所述第二子堆叠（12）之间的连接层（40），14,16），其中所述连接层（40）由多个单个连接点或连接线（44）或其它连接区域设置。

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