公开(公告)号：US20060087202A1

公开(公告)日：2006-04-27

申请号：US10520172

申请日：2003-06-06

申请人： Tobias Flaemig-Vetter ,  Heinz Oeing ,  Gregor Renner

发明人： Tobias Flaemig-Vetter ,  Heinz Oeing ,  Gregor Renner

IPC分类号： H01L41/053

CPC分类号： F16K31/007 ,  H01L41/053 ,  H01L41/0533

摘要： A piezoelectric actuator for media flowing around it having a piezo stack which is arranged within a deformable isolating material so as to be in direct contact therewith at least over certain regions. The isolating material is for its part enclosed by a fluidically closed actuator housing, which is formed by a housing shell which is delimited at its one end by a dimensionally stable actuator top and at its other end by a dimensionally stable actuator bottom. The actuator top and bottom are arranged on the active main surfaces of the piezo stack. To increase the service life, the housing shell is produced from a limp and/or elastic material and is disposed at a distance from the piezo stack. The length of the housing shell, measured along the surface line, corresponds at least to the maximum extent of the piezo stack and/or the housing shell can be stretched. accordingly.

摘要翻译： 用于介质周围的介质的压电致动器具有压电叠层，压电叠层布置在可变形隔离材料内，以至少在某些区域与其直接接触。 隔离材料的一部分由流体封闭的致动器壳体封闭，该壳体由壳体壳体形成，该壳体的一端由尺寸稳定的致动器顶部限定，并且在另一端由尺寸稳定的致动器底部限定。 致动器顶部和底部布置在压电堆叠的主动主表面上。 为了增加使用寿命，壳体由柔软的和/或弹性的材料制成，并且与压电叠层隔开一段距离。 沿着表面线测量的壳体壳体的长度至少对应于压电叠层的最大程度，和/或壳体壳体可被拉伸。 相应地。

公开(公告)号：US07250709B2

公开(公告)日：2007-07-31

申请号：US10520172

申请日：2003-06-06

申请人： Tobias Flaemig-Vetter ,  Heinz Oeing ,  Gregor Renner

发明人： Tobias Flaemig-Vetter ,  Heinz Oeing ,  Gregor Renner

IPC分类号： H01L41/08

CPC分类号： F16K31/007 ,  H01L41/053 ,  H01L41/0533

摘要： A piezoelectric actuator for media flowing around it having a piezo stack which is arranged within a deformable isolating material so as to be in direct contact therewith at least over certain regions. The isolating material is for its part enclosed by a fluidically closed actuator housing, which is formed by a housing shell which is delimited at its one end by a dimensionally stable actuator top and at its other end by a dimensionally stable actuator bottom. The actuator top and bottom are arranged on the active main surfaces of the piezo stack. To increase the service life, the housing shell is produced from a limp and/or elastic material and is disposed at a distance from the piezo stack. The length of the housing shell, measured along the surface line, corresponds at least to the maximum extent of the piezo stack and/or the housing shell can be stretched accordingly.

摘要翻译： 用于介质周围的介质的压电致动器具有压电叠层，压电叠层布置在可变形隔离材料内，以至少在某些区域与其直接接触。 隔离材料的一部分由流体封闭的致动器壳体封闭，该壳体由壳体壳体形成，该壳体的一端由尺寸稳定的致动器顶部限定，并且在另一端由尺寸稳定的致动器底部限定。 致动器顶部和底部布置在压电堆叠的主动主表面上。 为了增加使用寿命，壳体由柔软的和/或弹性的材料制成，并且与压电叠层隔开一段距离。 沿着表面线测量的壳体壳体的长度至少对应于压电叠层的最大程度，和/或壳体壳体可相应地被拉伸。

公开(公告)号：US06302333B1

公开(公告)日：2001-10-16

申请号：US09293767

申请日：1999-04-19

申请人： Karl-Heinz Hoffmann ,  Heinz Oeing ,  Gregor Renner ,  Reinhard Fischer ,  Guenter Vogt ,  Jens-Peter Wobbe

发明人： Karl-Heinz Hoffmann ,  Heinz Oeing ,  Gregor Renner ,  Reinhard Fischer ,  Guenter Vogt ,  Jens-Peter Wobbe

IPC分类号： F02M4702

CPC分类号： F02M55/002 ,  F02M51/0603 ,  F02M61/08 ,  F02M2200/703

摘要： An injector for a fuel injection system is provided with an injector housing in which a piezoelectric stack is located and with a valve housing connected with the injector housing in which a valve closing device with a jet needle is displaceably located. The valve closing device can be actuated by the piezoelectric stack. The valve closing device can be reset by a return device. A hydraulic following amplifier is located between the piezoelectric stack and the jet needle of the valve closing device. The amplifier has a displacement piston actuated by the piezoelectric stack. A control piston located downstream from the displacement piston and increases the displacement travel. A working piston that actuates the jet needle and increases the actuating force.

摘要翻译： 用于燃料喷射系统的喷射器设置有喷射器壳体，其中定位有压电叠层，并且具有与喷射器壳体连接的阀壳体，其中具有喷射针的阀关闭装置可位移地定位。 阀关闭装置可由压电叠层致动。 阀关闭装置可以由返回装置复位。 液压跟随放大器位于压电堆和阀关闭装置的喷射针之间。 放大器具有由压电叠层驱动的位移活塞。 控制活塞位于位移活塞的下游，并增加位移行程。 一个工作活塞，其致动喷射针并增加致动力。