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:
Sep. 09, 1997
Filed:
Mar. 03, 1994
Peter Amborn, D-53819 Neunkirchen-Seelscheid, DE;
Klaus Greulich, D-53547 Breitscheid-Hollig, DE;
Helmut Riemscheid, 53797 Lohmar-Wahlscheid, DE;
Other;
Abstract
A camshaft assembly for valve-controlled internal combustion engines, having two shaft elements, an inner shaft and an outer shaft, which are positioned one inside the other, which are supported one inside the other and which are rotatable relative to one another by a limited axial distance, with first cams referred to as inner cams, especially for the inlet valves, being connected to the inner shaft and with second cams referred to as outer cams, especially for the outlet valves, being connected to the hollow outer shaft, the outer shaft comprising wall apertures associated with fixing elements or fixing portions of the inner cams, and the inner cams forming axially open slots or recesses which are shaped like a sector of a circle and which are engaged by axial finger regions of the outer shaft, with the inner cams being connected to the inner shaft by form-fitting mechanisms and with the outer cams being connected to the outer shaft by form-fitting mechanisms and with at least the outer shaft consisting of individual longitudinal portions.