Rear height controller

Details Rear height controller Rear height controller

1986-02-26

1987-05-26

Love, John J.

Land vehicles

Wheeled

Running gear

180 41, 280 611, 280DIG1, 340 52R, B60G 1700

Patent

active

046679782

ABSTRACT:
This invention relates to a rear height controller for a vehicle having a height adjuster between the body and a rear wheel. The controller includes a front height detector which detects a sporadic bump or dip of a road surface on which the vehicle is running by measuring the distance between the body and a front wheel. The front height data is sent to a bump or dip judgment section in which the height data from the right and the left height detectors is judged whether the data corresponds to a predetermined size of bump or dip. If the data is judged to correspond to a bump or dip of a predetermined size, the judgment section sends a signal to a rear height adjuster. If the right front wheel sinks into a dip, the left rear body height is lowered in order to keep the posture of the vehicle unchanged when the right rear wheel sinks into the dip. If the right front wheel rides onto a bump, the left rear body height is raised. Similarly the right rear body height is adjusted to compensate the movement of the opposite body height caused by dip or bump of the road surface. This controller maintains good vehicle control and stability when passing a sporadic dip or bump of a road surface.

REFERENCES:
patent: 4540188 (1985-09-01), Meloche et al.
patent: 4579366 (1986-04-01), Doi et al.
patent: 4589676 (1986-05-01), Meloche et al.

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