Method and device for monitoring the tire air pressure of the wheels of an automobile
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 25, 2000
Grant Date -
N/A
app pub date -
Feb 25, 1999
filing date -
Feb 25, 1998
priority date (Note) -
Expired
status (Latency Note)
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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.
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