The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2001
Filed:
Mar. 27, 2000
Applicant:
Inventors:
Udo Sieber, Bietigheim, DE;
Ulrich Kappenstein, Knittlingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 ;
U.S. Cl.
CPC ...
F01L 1/34 ;
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.