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Angular and axial position sensor arrangement

  • US 9,244,438 B2
  • Filed: 12/08/2014
  • Issued: 01/26/2016
  • Est. Priority Date: 12/13/2013
  • Status: Active Grant
First Claim
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1. An angular and axial position sensor arrangement, including:

  • L axially adjacent sensors, where L is a whole number greater than or equal to 2, andan encoded member that is angularly and axially displaceable relative to the sensors,wherein the encoded member comprises N axial detection encoded rings, which are axially adjacent, and where N is a whole number greater than or equal to 2, for which N−

    1 adjacent axial detection encoded rings are with value A along their entire circumference and an Nth encoded ring is with value B, different from value A, along its entire circumference, said values A and B being distinguishable by one or several of the L sensors to determine an axial position of the encoded member, in a first axial position with the first sensor overlapping the first axial detection encoded ring, and in an Nth axial position with the first sensor overlapping the Nth axial detection encoded ring,wherein the encoded member comprises M angular detection encoded rings, the first of which is axially adjacent to the Nth axial detection encoded ring of the N axial detection encoded rings, where M is a whole number greater than or equal to 1, and wherein the M encoded rings comprise a coding pattern composed of A and B values along their circumference to determine angular position by the sensors.

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