PIEZOELECTRIC ACTUATOR, METHOD FOR PRODUCING THE ACTUATOR, AND INJECTOR

The present invention relates to a piezoelectric actuator (12) comprising an actuator element (15) and two electrical connecting elements (23, 24), wherein the actuator element (15) comprises a stack of several piezoelectric layers (17), between which electrode layers (18) are arranged, wherein each...

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Bibliographische Detailangaben
Hauptverfasser:	ZUMSTRULL, CLAUS, UNRUH, MARCUS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES ELECTRICITY HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a piezoelectric actuator (12) comprising an actuator element (15) and two electrical connecting elements (23, 24), wherein the actuator element (15) comprises a stack of several piezoelectric layers (17), between which electrode layers (18) are arranged, wherein each electrode layer is electrically connected to one of the connecting elements (23, 24). In order to create a piezoelectric actuator (12) that enables an exact contacting of the electrode layers (18), two clamping jaws (37, 38) are provided, wherein the actuator element (15) and the connecting elements (23, 24) are clamped between the clamping jaws in order to press the electrical connecting elements (23, 24) against the actuator element (15).