Measuring device and method for determining the position of...

Measuring and testing – Internal combustion engine or related engine system or... – Compression

Reexamination Certificate

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Reexamination Certificate

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11295830

ABSTRACT:
Measuring device and method for determining the position of an electrically conductive test object (1) with a noncontacting sensor, in particular an eddy current sensor (2), wherein the test object (1) is adapted for linear reciprocal movement in a predetermined direction. The test object (1) includes a marking (6), and the sensor is arranged transversely to the direction of movement of the test object (1) and at a constant distance from the test object in the region of the marking (6), so that a movement of the test object causes the sensor to produce an at least largely linear signal change over a predetermined measuring range.

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patent: 6693787 (2004-02-01), Kolmanovsky et al.
patent: 6762922 (2004-07-01), Mednikov et al.
patent: 2003/0098686 (2003-05-01), Mednikov et al.
patent: 2003/0184946 (2003-10-01), Kolmanovsky et al.
patent: 252 063 (1987-12-01), None
patent: 198 41 660 (2000-03-01), None
patent: 101 54 383 (2002-05-01), None
patent: 101 41 764 (2002-06-01), None

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