System for determining pneumatic tire pressure for motor vehicle

Details System for determining pneumatic tire pressure for motor vehicle System for determining pneumatic tire pressure for motor vehicle

1993-01-26

1994-09-06

Chilcot, Jr., Richard E.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

340444, B60C 2302, B60C 2300

Patent

active

053437411

ABSTRACT:
A pneumatic tire pressure determining system on a motor vehicle detects an actual rotational speed difference between rotational speeds of front or rear left and right road wheels of the motor vehicle, detects an operating condition of the motor vehicle, and calculates an adequate rotational speed difference between rotational speeds of the front or rear left and right road wheels based on the detected operating condition of the motor vehicle. The system compares the adequate rotational speed difference and the actual rotational speed difference, and when the difference between the compared actual and adequate rotational speed differences exceeds a predetermined value, the system determines a pneumatic tire pressure reduction.

REFERENCES:
patent: 3613075 (1971-10-01), Griffiths et al.
patent: 3691524 (1972-09-01), Frost et al.
patent: 4224597 (1980-09-01), DiCecio
patent: 4355298 (1982-10-01), Jessup
patent: 4574267 (1986-03-01), Jones
patent: 4876528 (1989-10-01), Walker et al.
patent: 5192929 (1993-03-01), Walker et al.
patent: 5212640 (1993-05-01), Matsuda
patent: 5218862 (1993-06-01), Hurrell, II et al.

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