Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1994-08-16
1996-12-10
Hofsass, Jeffery
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340432, 340433, 73146, 731462, B60C 2300
Patent
active
055834833
ABSTRACT:
Method for tire pressure warning in a motor vehicle in which, instead of direct pressure measurement, the tire pressure is monitored indirectly by recording the dynamic rolling circumference of the tire and, in this way, to dispense with sensors, in particular if wheel speed sensors have already been installed in the vehicle.
The method works on the basis of a wheel speed balance, within which speed scaling factors are determined. By comparing these scaling factors in pairs, determining the maximum deviation and checking whether a particular threshold value has been exceeded, a reliable tire pressure warning can be implemented with little outlay, in particular in the case of a wheel speed balance for each axle.
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patent: 5218862 (1993-06-01), Hurrell, II et al.
patent: 5239469 (1993-08-01), Walker et al.
patent: 5343741 (1994-09-01), Nishihara et al.
patent: 5345217 (1994-09-01), Prottey
Hofsass Jeffery
Mannava Ashok
Mercedes-Benz AG
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