Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Patent
1998-07-01
2000-06-13
Noori, Max
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
73146, B60C 2500
Patent
active
060760354
ABSTRACT:
A wear condition detecting apparatus for a tire comprising: (a) a rotational speed detecting means for regularly detecting rotational speeds of tires of four wheels presently attached to a vehicle, (b) a calculating means for calculating a ratio of a rotational speed of a front wheel to a rotational speed of a rear wheel based on a measured value obtained by the rotational speed detecting means, and for obtaining a relational formula between the rotational speed ratio and an acceleration of the vehicle, and (c) a comparing means for comparing a slope of the relational formula obtained by the calculating means with a preliminarily known slope of a relational formula between a rotational speed ratio of a tire and an acceleration of the vehicle. According to the present invention, the wear condition of a tire can be known, so that the performance and safety of a vehicle can be improved.
REFERENCES:
patent: 5065618 (1991-11-01), Hodges, Sr. et al.
patent: 5513523 (1996-05-01), Sekiya et al.
patent: 5591906 (1997-01-01), Okawa et al.
patent: 5670716 (1997-09-01), Tamasho et al.
patent: 5721374 (1998-02-01), Siekkinen et al.
patent: 5771480 (1998-06-01), Yanase
Noori Max
Sumitomo Electric Industries Ltd.
Sumitomo Rubber Industries Ltd.
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