Camshaft assembly with shaft elements positioned one inside the other and method of producing same
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United States of America Patent
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Sep 9, 1997
Issued Date -
N/A
app pub date -
Mar 3, 1994
filing date -
Mar 3, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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