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LINEAR POSITION SENSOR ASSEMBLY HAVING MAGNETIC SHIELD

  • US 20130141082A1
  • Filed: 08/31/2012
  • Published: 06/06/2013
  • Est. Priority Date: 12/05/2011
  • Status: Active Grant
First Claim
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1. A linear position sensor assembly for a motor vehicle transmission comprising, in combination,a bi-directionally translating transmission component,a permanent magnet affixed to said transmission component,a permanent magnet linear contactless displacement sensor disposed in sensing relationship with said permanent magnet, said permanent magnet linear contactless displacement sensor comprising a pair of spaced apart magnetic field sensors and a high magnetic permeability metal member disposed between said pair of magnetic field sensors, anda high magnetic permeability metal shield surrounding said permanent magnet linear contactless displacement sensor on at least three sides,whereby said metal shield reduces magnetic interference from nearby transmission components induced in said permanent magnet linear contactless displacement sensor.

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