| 摘要 |
Disclosed is a piezo-actuator (1) comprising a piezo-actuator element (2) with an actuator bearing element (6), particularly an actuator sleeve, an actuating element (7) actuating a piston (10), a housing (5) movably guiding the piezo-actuator element (2), an actuator spring element (8) connected to the actuator bearing element (6) and the housing (5), a piston spring element (11) connected to the piston (10) and the housing (5), the spring resistance of said piston spring element (11) counteracting the spring resistance of the actuator spring element (8), and a clamping element (15) for fixing the actuator bearing element (6) to the housing (5). The housing (5) is configured in several parts with a base (3) guiding the piezo-actuator element and a piston holder (4) removable therefrom.
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