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Wear condition detecting apparatus for tire and method thereof

  • US 6,076,035 A
  • Filed: 07/01/1998
  • Issued: 06/13/2000
  • Est. Priority Date: 07/10/1997
  • Status: Expired due to Term
First Claim
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1. A wear condition detecting apparatus for a tire comprising:

  • a rotational speed detecting means for regularly detecting rotational speeds of tires of four wheels presently attached to a vehicle,a calculating means for calculating a ratio of a rotational speed of a front wheel to a rotational speed of a rear wheel based on a measured value obtained by the rotational speed detecting means, and for obtaining a relational formula between the rotational speed ratio and an acceleration of the vehicle, anda comparing means for comparing a slope of the relational formula obtained by the calculating means with a preliminarily known slope of a relational formula between a rotational speed ratio of a tire and an acceleration of the vehicle.

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