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US 8,297,247 B2Granted
Valve drive for gas exchange valves of an internal combustion engine, comprising an axially movable bearing
AssigneeAudi AG
InventorsDirk Schoeneberg, Holger Voges, Joerg Wutzler
Life of this patent
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Abstract
A valve drive assembly for selectively actuating a pair of valves of an internal combustion engine generally consisting of a pairs of cam supports rotatably fixed an axially displaceable on a camshaft, each provided with at least two cam profiles; means rotatably fixed and axially displaceable relative to the cam shaft, interposed between the cam supports; and means for selectively axially displacing the cam supports and the interposed means as a unit.
Claims8
An assembly for selectively actuating a pair of valves of an internal combustion engine, comprising:
- a cam supporter rotatably fixed and axially displaceable on a camshaft of said engine, provided with a spaced set of cam surfaces each provided with three cam profiles;
- a bearing mounted on a portion of said cam supporter between said spaced set of cam surfaces thereof;
- means for selectively axially displacing said cam supporter;
- and
- means cooperatively intergaging said bearing and a portion of said engine for releasably retaining said cam supporter in a selected axial position on said camshaft.
2 more elements
Dependencies are inferred from the claim text.