Fiat Auto S.p.a.

Fulvio Cascio

Stefano Re Fiorentin

Cristina Randazzo

The method of detecting a partially deflated tire includes the steps of detecting the angular velocity of each wheel and generating corresponding velocity signals or data, processing the velocity signals or data in a processing unit arranged for calculating the value of a predetermined function of the ratio or of the difference between the product of the angular velocities of two diagonally opposed wheels and the product of the angular velocities of the other two wheels, and generating a warning signal when the difference between the values of this function and a first static reference value corresponding to a normal inflation condition of the tires exceeds a predetermined value, or when the difference between the values of this function and a second reference value determined upon each departure of the motor vehicle and corresponding to the actual inflation condition of the tires upon departure of the motor vehicle exceeds a predetermined value.

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Pianezza, Italy

Fulvio Cascio