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Tire monitoring system

  • US 20050231346A1
  • Filed: 11/14/2002
  • Published: 10/20/2005
  • Est. Priority Date: 11/16/2001
  • Status: Abandoned Application
First Claim
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1. A tire monitoring system comprising:

  • a tire sensor unit which is mounted on each tire of a car to radio-transmit information on tire pressure and tire temperature;

    a receiving device which is provided in the car body to receive the information on the tire pressure and the tire temperature transmitted from the tire sensor unit, and a display device to display the tire condition based on the information received at the receiving device, and further comprising;

    a non-contact type power supply portion which is provided in the car body to radio-transmit energy; and

    a non-contact type power receiving portion which is provided in the tire sensor unit to generate direct-current power by the energy transmitted from the non-contact type power supply portion, wherein electric power necessary for activating the tire sensor unit is supplied from the non-contact type power receiving portion, and wherein the display device is provided with a tire abnormality judging section, a warning lamp, and a warning buzzer, and the tire abnormality judging section judges the tire to be abnormal when the tire pressure and the tire internal temperature vary from a predetermined value and outputs to the warning lamp and the warning buzzer.

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