Patent Number: 6,297,941

Title: Device for controlling an electromechanical actuator

Abstract: A device for controlling an electromechanical actuator with an actuating element and an actuating drive. The actuating drive includes an electromagnet which has a core and a coil. The actuating drive, furthermore, has a moveable armature plate. A controller is provided, the control variable of which is the current through the coil and the actuating variable of which is a voltage applied to the coil. A voltage source generates a supply voltage and a pulse width modulator modulates the actuating variable as a function of the supply voltage.

Inventors: Hoffmann; Christian (Regensburg, DE), Wimmer; Richard (Parnkofen, DE), Koch; Achim (Tegernheim, DE)

Assignee: Siemens Aktiengesellschaft

International Classification: F02D 41/20 (20060101); F01L 9/04 (20060101); H01F 7/18 (20060101); H01F 7/08 (20060101); H01H 47/22 (20060101); H01H 47/32 (20060101); H01H 009/00 ()

Expiration Date: 10/02/2018