The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2014
Filed:
Aug. 02, 2012
David L. Juzswik, Commerce Township, MI (US);
David L. Juzswik, Commerce Township, MI (US);
TRW Automotive U.S. LLC, Livonia, MI (US);
Abstract
An apparatus is provided for determining a tire operating condition including a tire-based pressure and temperature sensor and transmitter and a vehicle ignition system. A vehicle-based receiver/controller receives sensor signals and state of the ignition system. The controller provides an error signal when the sensed tire pressure is less than a set threshold value Pand resets the error signal when the sensed tire pressure is greater than a reset threshold value P. The receiver/controller determines the set threshold value Pand the reset threshold value Pas a function of a calculated warm tire pressure value P, determines a mole value N of the tire pressure, and adjusts the determined set threshold value Pand the reset threshold value Pin response to the vehicle ignition state and a change in the determined mole value N. A display is provided for displaying the error signal.