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Doellgast
Bernhard Doellgast, Flurweg AT
| Patent application number | Description | Published |
|---|---|---|
| 20100060110 | Multi-Layer Piezoelectric Element and Injection Apparatus Employing The Same - A multi-layer piezoelectric element which undergo less change in the amount of displacement and shows high durability during continuous operation under a high voltage and pressure over a long period are provided. | 03-11-2010 |
| 20100327704 | Piezoelectric Actuator Unit and Method for Manufacturing the Same - 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. | 12-30-2010 |
Bernhard Doellgast, Deutschlandsberg AT
| Patent application number | Description | Published |
|---|---|---|
| 20100109488 | Piezoelectric Multilayer Component - A piezoelectric multilayer component has a base body with a stack of piezoceramic layers and electrode layers arranged one on top of the other in an alternating manner. Neighboring layers of the stack are braced against one another such that stresses run perpendicular to the stacking direction. | 05-06-2010 |
| 20100141098 | Piezoelectric Multilayer Component - A piezoelectric multilayer component has a base body including a stack of dielectric layers, electrode layers and at least one predetermined breaking layer. The predetermined breaking layer is arranged at least for the most part in an inactive zone of the multilayer component and cracks under specific tensile loads. | 06-10-2010 |
Bernhard Doellgast, Deutschlandsberg DE
| Patent application number | Description | Published |
|---|---|---|
| 20100090033 | Multi-Layer Piezoelectric Element, Injection Apparatus Using the Same and Method of Multi-Layer Piezoelectric Element - 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. | 04-15-2010 |