Measuring and testing – With fluid pressure – Leakage
Patent
1989-05-30
1990-07-03
Woodiel, Donald O.
Measuring and testing
With fluid pressure
Leakage
73146, 731462, B60C 2304, G01M 1702
Patent
active
049380567
ABSTRACT:
Determining the rate of change of fluid pressure in a tire comprises mounting the tire in an inflated condition. A tire pressure sensor senses fluid pressure in the tire and generates an electrical signal in proportion to the fluid pressure sensed in the tire. A temperature sensor senses the temperature adjacent the tire and generates an electrical signal in proportion to the temperature sensed adjacent the tire. A data acquisition system is in electrical communication with the sensors. The data acquisition system receives the electrical signals from the respective sensors at a substantially simulatneously time and converts the electrical signals into digital information. An electronic digital computer is an electrical communication with the data acquisition system for receiving the digital information and for calculating a value representative of a corrected pressure in the tire as a function of the digital information received. A plurality of the corrected pressure values are stored. The stored corrected pressure values are linearized to provide another value indicative of the rate of change of pressure in the tire.
REFERENCES:
patent: 4703650 (1987-11-01), Dosjoub et al.
patent: 4723445 (1988-02-01), Ripley et al.
DeRudder James L.
Porter John P.
Schur Kenneth M.
Csontos Alan A.
Strugalski Greg
The Uniroyal Goodrich Tire Company
Woodiel Donald O.
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