Method of determining a variable air pressure value of a pneumatic vehicle tire and indicating a pressure value
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United States of America Patent
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-
Mar 20, 1990
Grant Date -
N/A
app pub date -
Dec 20, 1988
filing date -
Nov 7, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for detecting, evaluating, and indicating a tire air pressure value. Information signals are compared with a plurality of desired value curves having a tolerance range and an average value for the atmospheric temperature, whereupon these signals are evaluated. The pressure deviation, as a function of the desired value tolerance ranges, is assigned a specific pressure state, from which an acutal air pressure state is indicated that takes into account regional and seasonal pressure and temperature influences. Furthermore, a maximum speed and a permissible speed can be determined during emergency operation, or a state of emergency operation can be determined.
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