×

Apparatus and method for compensating for atmospheric pressure in a TPMS system

  • US 9,517,665 B2
  • Filed: 12/19/2014
  • Issued: 12/13/2016
  • Est. Priority Date: 12/19/2014
  • Status: Active Grant
First Claim
Patent Images

1. A method, the method comprising:

  • receiving an altitude of the vehicle from an external electronic source;

    receiving an external temperature is received from a temperature sensor;

    determining an external relative humidity;

    based upon the altitude received from the external electronic source, the temperature, and the external relative humidity, determining an estimated barometric pressure;

    receiving an air pressure of a tire;

    determining an adjustment to the air pressure of the tire, the adjustment based upon the estimated barometric pressure, the adjustment applied to the air pressure of the tire to obtain a corrected tire pressure;

    evaluating the corrected tire pressure to determine when an alert should be presented to a user;

    when the alert is determined, presenting the alert to the user.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×