Actuator module for use in piezoactuator, has piezoelement arranged between actuator head and actuator foot and piezoelement encloses fluid-filled casing of piezoactuator

摘要

The actuator module has a piezoelement (6) arranged between an actuator head (4) and an actuator foot (5). The piezoelement encloses the fluid-filled casing of the piezoactuator. The casing contains a jacket and a corrugated bellows is fixed on the contour of the jacket. The jacket is made of plastic and the corrugated bellow is made of a ductile metal under pressure. The plastic of the jacket is a thermoplastic, a thermosetting polymer or an elastomer. The corrugated bellow is tied up at the actuator head or at the actuator foot. An independent claim is also included for a method for the production of the actuator module.