Method and device for determining the direction of displacement of a roller bearing component
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United States of America Patent
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Sep 4, 2007
Grant Date -
Jul 6, 2006
app pub date -
Jan 23, 2004
filing date -
Jan 31, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A measuring arrangement in a roller bearing, which determines the direction of displacement of a displaceable bearing component in relation to a stationary bearing component. Four pressure-dependent resistors (R1, R2, R3, R4) of a bridge circuit are arranged successively in a line, in a measuring area on a bearing component and in a parallel manner in relation to the direction of displacement of the rolling body or the displaceable rolling component. The distance (R1-R2) is exactly the same as the distance (R3-R4) and the distance (R2-R3) is greater than the other distances. The positions of the resistors and the bridge circuit are selected in such a manner that a single output signal with an asymmetrical form is created. The rotational direction is, for example, determined by the evaluation of the deviation of a maximum of the mean position between two adjacent minima.
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