ACTUATOR MODULE HAVING A MULTI-LAYER ACTUATOR ARRANGED IN A HOUSING AND A CONTINUOUSLY EXTREMELY LOW LEAKAGE CURRENT AT THE ACTUATOR SURFACE

摘要

The invention relates to an actuator module (22) having a piezo-ceramic multi-layer actuator (1) which is arranged in a housing (23). So that increased conductivity, and therefore an increasing leakage current, does not occur at the actuator surface even after a long operating period, the invention proposes that the housing (23) be hermetically sealed and a space (24) which is partially filled or filled with a medium (21) which chemically converts and/or binds water be arranged between the multi-layer actuator (1) and the housing (23).