TIRE ABNORMALITY DETECTION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a tire abnormality detection device capable of detecting local abnormality of a tire with high reliability by using a sensor which detects physical quantity changing in accordance with rotation of a rotor mounted on a wheel. SOLUTION: The wheel sensor 2 to detect the physical quantity is mounted on an axle pipe to axially support the wheel through a coil spring 6 and characteristic frequency of the coil spring 6 is made to match secondary characteristic frequency of the tire on the tire abnormality detection device. COPYRIGHT: (C)2005,JPO&NCIPI