Mechanical valve play compensation element for a valve drive on a piston combustion engine
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United States of America Patent
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Dec 12, 2006
Issued Date -
N/A
app pub date -
Dec 3, 2004
filing date -
Nov 14, 2000
priority date (Note) -
Expired
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Abstract
The invention relates to a mechanical valve play compensation element for a valve drive on a piston combustion engine, comprising a first pressure part (1) which is axially displaceable in relation to a second pressure part (2) and which is fixed in such a way that it can turn about the axis of displacement; a torsion spring element (10) which acts between the first pressure part (1) and the second pressure part (2) and is axially flexible at least to a certain extent; and at least one helical surface (9.1) on the first pressure part (1), to which a corresponding helical surface (9.2) on the second pressure part (2) is allocated, these forming a pair of helical surfaces (9). The surfaces of the helical surface pair (9) are configured as a rough surface and are pressed against each other by the torsion spring element (10).
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