Robert Koellein

Piezo actuator for use in piezo injector for controlling fuel injection with combustion engine, has multilayer structure of piezoelectric layer, which is enclosed between inner electrodes of alternating polarity

Verfahren zur Herstellung von piezoelektrischen Werkstücken

Piezoaktor mit einem Mehrlagenaufbau von Piezolagen

Method for thermal polarisation of a piezo-ceramic device

Elektroden-Trägerfolie, insbesondere zur Herstellung von piezoelektrischen Bauelementen, und Verfahren zur Herstellung eines piezoelektrischen Bauelements

Ceramic film for piezo element of ceramic multilayer piezoelectric actuator used in fuel injector for internal combustion engine, has insulation zone formed on opposite sides and limited on region around external electrodes

Verfahren zum Heißpolarisieren eines piezokeramischen Bauelements

Electrode backing film, in particular for the production of piezoelectric components, and method for producing a piezoelectric component

Piezoelektrischer Transformator mit einem multifunktionalen Innenelektrodenaufbau

Method for manufacturing piezoelectric actuator for piezo injector of fuel injection system for self-ignition engine operated with diesel, involves arranging inner electrodes between contacts of tensile region