Wheel assembly with internal pressure reservoir and pressure...

Details Wheel assembly with internal pressure reservoir and pressure... Wheel assembly with internal pressure reservoir and pressure...

2005-07-19

2008-11-04

Allen, Andre J. (Department: 2855)

Measuring and testing

Tire, tread or roadway

C073S146200, C073S146300, C073S146400, C340S442000

Reexamination Certificate

active

07444859

ABSTRACT:
Method of allowing control of a vehicle provided with at least two wheels in case of puncture of a tire, each wheel having a rim and a tire associated therewith, including the steps of inflating each tire to an operating pressure at a reference temperature; admitting a fluid compressed to a first pressure higher than the operating pressure of the tire at the reference temperature into at least one tank associated with at least one of the rims; bringing the tire into communication with the tank when the inner pressure of the tire is lower than the operating pressure by a predetermined first threshold value; measuring the inner pressure of the tire with a predetermined frequency; calculating a variation of the inner pressure in the time unit; generating an alarm signal when the variation of the inner pressure corresponds to a reduction and is higher than a predetermined value; and transmitting the alarm signal to the driver.

REFERENCES:
patent: 4067376 (1978-01-01), Barabino
patent: 5263524 (1993-11-01), Boardman
patent: 5895846 (1999-04-01), Chamussy et al.
patent: 6591671 (2003-07-01), Brown
patent: 6748799 (2004-06-01), Fischer et al.
patent: 6943673 (2005-09-01), Skoff et al.
patent: 7273082 (2007-09-01), White et al.
patent: 2002/0104374 (2002-08-01), Merendino, Sr.
patent: 2005/0081973 (2005-04-01), Marin-Martinod
patent: 1 319 530 (2003-06-01), None
patent: 2 822 414 (2002-09-01), None
patent: WO 03/057515 (2003-07-01), None

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