Method of estimating the temperature of the air in the...

Details Method of estimating the temperature of the air in the... Method of estimating the temperature of the air in the...

2006-05-16

2006-05-16

Oen, William (Department: 2855)

Measuring and testing

Tire, tread or roadway

Reexamination Certificate

active

07043973

ABSTRACT:
A method of estimating the temperature of the air in the internal cavity of a tire in which:prior to normal operation, a series of running tests are carried out on the tire provided with a means of measuring the internal air temperature at given speeds V and external temperatures Tamb, the tire supporting a given load and the cavity being at a given internal relative pressure, and an adjustment is made to a function giving the temperature of the internal air Taiaccording to the parameters of speed and external temperature; andin normal operation, the tire equipping a vehicle under the above conditions of load and relative pressure, the internal air temperature is estimated according to the speed of the vehicle and the temperature external to the vehicle.The method ia applied to the detection of abnormal operating in particular of a running-flat system.

REFERENCES:
patent: 2001/0022551 (2001-09-01), Barnett
patent: WO-01-17806 (2001-03-01), None
International Search Report, International Appl. No.: PCT/EP02/11502, completed on Jan. 9, 2003.

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