Patent Number: 6,332,437

Title: Adjusting unit for actuating a device for variable control of valves of an internal combustion engine

Abstract: An adjusting unit for actuating a device for variable control of valves of an internal combustion engine for load control of the engine via the inlet stroke function of the valves. The adjusting unit includes a gear unit with a cylindrical worm, on whose circumferential surface a thread is embodied. A displacement element that meshes with the thread of the worm is guided displaceably on the worm, and the displacement element is in communication with an actuating element of the device. A drive unit sets the worm into a rotary motion about its longitudinal axis which drives the displacement element.

Inventors: Sieber; Udo (Bietigheim, DE), Kappenstein; Ulrich (Knittlingen, DE)

Assignee: Robert Bosch GmbH

International Classification: F01L 13/00 (20060101); F01L 001/34 ()

Expiration Date: 12/25/2018