Tire pressure monitoring system

Details Tire pressure monitoring system Tire pressure monitoring system

2007-05-29

2007-05-29

Goins, Davetta W. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C445S060000, C073S035020, C073S146500, C123S00100A

Reexamination Certificate

active

10856677

ABSTRACT:
A system and method for monitoring tire pressure in a tire of a vehicle is described, in which a tire pressure reading in the tire and an ambient pressure reading are received, and a warning indicator visible to an operator of a vehicle is selectively activated based on the tire pressure reading, the ambient pressure reading, and a predetermined threshold. In one embodiment, the ambient pressure is used by an engine control system for regulating the air-fuel intake, transmitted to a communications bus, and used by a tire pressure monitoring subsystem configured for receiving the ambient pressure reading from the communications bus.

REFERENCES:
patent: 4512278 (1985-04-01), Winther
patent: 5963128 (1999-10-01), McClelland
patent: 5984429 (1999-11-01), Nell et al.
patent: 6016102 (2000-01-01), Fortune et al.
patent: 6434470 (2002-08-01), Nantz et al.
patent: 6580364 (2003-06-01), Munch et al.
U.S. Appl. No. 10/190,805, filed Jul. 8, 2002, Breed et al.

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