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METHOD AND APPARATUS FOR ESTIMATING CONTACT PATCH SHAPE OF TIRE

  • US 20120167687A1
  • Filed: 09/01/2010
  • Published: 07/05/2012
  • Est. Priority Date: 09/08/2009
  • Status: Active Grant
First Claim
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1. A method for estimating the contact patch shape of a tire, comprising the steps of:

  • detecting vibrations of the tire which has a circumferential row of recesses in the tire tread arranged at the same pitch as a predetermined contact patch length;

    extracting vibration components corresponding to the pitch from the vibrations of the tire; and

    estimating the contact patch shape of the tire from the magnitude of the vibration components.

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