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:
Oct. 06, 2009
Filed:
Jun. 15, 2005
Jens Schafer, Herzogenaurach, DE;
Mike Kohrs, Wilthen, DE;
Martin Steigerwald, Erlangen, DE;
Jonathan Heywood, Pettstadt, DE;
Jens Schafer, Herzogenaurach, DE;
Mike Kohrs, Wilthen, DE;
Martin Steigerwald, Erlangen, DE;
Jonathan Heywood, Pettstadt, DE;
Schaeffler KG, Herzogenaurach, DE;
Abstract
Adjustment device () for adjusting a relative rotational angle position of a camshaft () relative to a crankshaft of an internal combustion engine is provided. The adjusting device includes a crankshaft-fixed drive part () and a camshaft-fixed driven part (). The adjustment device () has an adjustment motor () as a primary adjustment device and an auxiliary drive () as a secondary adjustment device. When the adjusting motor fails, the camshaft () can be moved into a fixed rotational angle position, an emergency running position, by the auxiliary drive ().