Method and apparatus for reminding the vehicle operator to refill the spare tire in a tire pressure monitoring system
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United States of America Patent
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Aug 31, 2004
Issued Date -
N/A
app pub date -
Oct 22, 2002
filing date -
Aug 7, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tire pressure monitoring system (12) for a spare tire of a vehicle (10) includes an indicator (52) and a timer (44) that generates a first time signal corresponding to the time the spare tire is used as a rolling tire and a second time signal corresponding to a time the spare tire is stowed. The temperature sensor (34) generates a temperature profile and a controller (22) that is coupled to the indicator, the timer, and the temperature sensor generates a spare tire warning signal in response to the temperature profile, the first time signal, and the second time signal.
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