Patent Number: 6,885,131

Title: Method for controlling a piezoelectric actuator which is used to displace an element

Abstract: The invention relates to the return stroke between an actuator and an element. In order to displace the element the actuator (A) is impinged upon by a control voltage (ANS). The control voltage (ANS) is selected in such a manner that it is dependent on the size of return stroke in order to compensate the alteration in the return stroke.

Inventors: Hirn; Rainer (Neutraubling, DE), Friedrich; Arno (Regensburg, DE), Jung; Uwe (Worth a. d. Donau, DE)

Assignee: Siemens Aktiengesellschaft

International Classification: F02D 41/20 (20060101); F02M 63/00 (20060101); H01L 041/08 ()

Expiration Date: 04/26/2022