Method of detecting a deflated tire on a vehicle

Details Method of detecting a deflated tire on a vehicle Method of detecting a deflated tire on a vehicle

1991-12-04

1993-10-12

Woodiel, Donald O.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

731462, 364565, B60C 2300

Patent

active

052529460

ABSTRACT:
A method of detecting a deflated tire on a vehicle by comparing the rolling radii of the tires by comparing angular velocity signals from wheel speed sensors at each wheel comprising the steps of calculating the factors ##EQU1## where C1, C2, C3 and C4 are the signals for the speeds of the front left-hand, front right-hand, rear left-hand and rear right-hand wheels of the vehicle, monitoring these factors and if the value of one or more factor becomes greater than 1.0005 or less than 0.9995, producing a warning signal to indicate that a tire has become partially or completely deflated.

REFERENCES:
patent: 4694409 (1987-09-01), Lehman
patent: 4695823 (1987-09-01), Vernon
patent: 4777611 (1988-10-01), Tashiro et al.
patent: 4876528 (1989-10-01), Walker et al.

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