System for vehicle height adjustment with loading deviation corr

Details System for vehicle height adjustment with loading deviation corr System for vehicle height adjustment with loading deviation corr

1986-10-22

1989-04-11

Lall, Parshotam S.

Boots, shoes, and leggings

280707, G60G 1710

Patent

active

048211915

ABSTRACT:
In this vehicle height adjustment system, a plurality of actuator assemblies are provided, one corresponding to each one of the vehicle wheels and resiliently suspending it from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding wheel as respective results of supplying or discharging of working fluid to or from its pressure chamber. Working fluid supply/discharge means are provided corresponding to the actuator assemblies and supply and discharge working fluid to and from their pressure chambers. Wheel loading detection means are provided for sensing parameters representative of the loadings imposed by the vehicle body on the wheels, and vehicle height detection means are provided for sensing the heights of the vehicle above the wheels. A means for computing and control controls the working fluid supply/discharge means, based on the deviations of the actual wheel heights from standard wheel heights, and carries out control adjustment of the actual wheel heights to the standard wheel heights by, at least when the vehicle speed is below a determinate value, carrying out a correction to the adjustment control of the working fluid supply/discharge means, based upon the deviations of the actual wheel loadings from standard wheel loadings, by an amount appropriate substantially to eliminate the loading deviations.

REFERENCES:
patent: 4616847 (1986-10-01), Kanai et al.
patent: 4625993 (1986-12-01), Williams et al.
patent: 4625994 (1986-12-01), Tanaka et al.
patent: 4693493 (1987-09-01), Ikemoto et al.
patent: 4700303 (1987-10-01), Tokuyama et al.

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