Method and device for monitoring the tire air pressure of the wh

Details Method and device for monitoring the tire air pressure of the wh Method and device for monitoring the tire air pressure of the wh

1999-02-25

2000-07-25

Patel, Harshad

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

340442, 731465, B60C 2302, B60C 2300

Patent

active

060924152

ABSTRACT:
In a method for monitoring tire air pressure of the wheels of an automobile, longitudinal force of the tires-slip test data pairs are measured and recorded for at least one wheel, while the automobile is being driven. A corresponding evaluation unit determines a compensation curve for the recorded longitudinal force of the tires-slip test data pairs, along with an associated offset value based on a zero point in a longitudinal force of the tires-slip performance graph. From the offset value, the respective wheel radius relationship between at least one driven and one non-driven wheel can be calculated, and from this the relative tire pressure of the wheels can be determined.

REFERENCES:
patent: 5747686 (1998-05-01), Nishihara et al.
patent: 5826207 (1998-10-01), Ohashi et al.
patent: 5913240 (1999-06-01), Drahne et al.

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