Indirect tire pressure monitoring system
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United States of America Patent
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Jan 1, 2019
Grant Date -
Mar 15, 2018
app pub date -
Sep 11, 2017
filing date -
Sep 12, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An indirect tire pressure monitoring system is provided that estimates a pressure in a tire more accurately than before. The system includes an estimated internal pressure transmitter (control unit) that calculates and transmits an estimated internal pressure of a tire when a vehicle is travelling based on a wheel speed, a measured internal pressure of the tire at halt and a measured temperature of the tire at halt. The system measures the internal pressure and the temperature for each tire, and carries out deflation evaluation independently for each tire.
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