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Sensor for quantifying widening reduction wear on a surface

  • US 8,151,623 B2
  • Filed: 05/21/2009
  • Issued: 04/10/2012
  • Est. Priority Date: 09/23/2002
  • Status: Active Grant
First Claim
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1. A sensor for quantifying a widening reduction wear on a surface, comprising:

  • a substrate comprising a surface with a wear starting position;

    a sensor element installed on an area of the substrate at a single level relative to the surface, wherein the sensor element comprises a proximal portion and a distal portion relative to the wear starting position; and

    an electrical measuring circuit connected to the sensor element;

    wherein the electrical measuring circuit measures an electrical characteristic of the sensor element that varies with a progressive reduction of the sensor element from the proximal portion to the distal portion of the sensor during a widening reduction wear of the surface from the wear starting position.

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