Method for identifying vehicle wheels having low tire pressure

Details Method for identifying vehicle wheels having low tire pressure Method for identifying vehicle wheels having low tire pressure

2011-01-18

2011-01-18

Caputo, Lisa M (Department: 2855)

Measuring and testing

Tire, tread or roadway

C340S442000

Reexamination Certificate

active

07870780

ABSTRACT:
A method for identifying low-pressure tires includes determining the number of revolutions of each wheel over a preselected driving distance, and comparing crosswise by summing the number of revolutions of the diagonally opposite front right/rear left and front left/rear right wheels and taking the difference between the sums, a diagonal containing a low-pressure tire being identifiable via the sign of the difference between the diagonals. A further comparison for each side of the vehicle is effected by summing the revolutions of the front left/rear left side and front right/rear right side wheels and comparing the difference between the sums, the side containing a low-pressure tire being identifiable via the sign of the difference between the sides. The difference between diagonals is compared with a low-pressure threshold value. If the threshold is exceeded, the signs of the difference between diagonals and between sides are logically combined to identify the low-pressure tire.

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