| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a wheel condition determination device capable of exactly determining the condition of the wheel based on an amount of air in a tire. <P>SOLUTION: A pressure detection sensor 30 for detecting pressure of internal air of the tire; and a temperature detection sensor 32 for detecting temperature are provided on the wheel 14. The detection results of the pressure detection sensor 30 and the temperature detection sensor 32 are fed to ECU 26 provided on the vehicle body. An accumulation value of a substance amount, i.e., an amount of air fed into the tire is determined from the detection results of the pressure detection sensor 30 and the temperature detection sensor 32 and an equation of state and the leak state of the tire is determined based on the accumulation value. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
