Land vehicles – Wheeled – Running gear
Patent
1990-04-27
1991-11-05
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
280709, 36442405, B60G 1126
Patent
active
050626604
ABSTRACT:
An active suspension system utilizes an acceleration exerted on a vehicle body and a stroke magnitude in relative displacement between the vehicle body and a suspension member as parameters for controlling discharge rate of pressure medium fluid from a pressure source unit. The pressure source unit is normally driven at limited discharge rate for minimizing driving power consumption. The pressure source unit is responsive to the vertical acceleration greater than a predetermined acceleration criterion and to vertical stroke magnitude greater than a predetermined stroke criterion to increase discharge rate for compensating pressure medium fluid amount to be consumed for suspension control.
REFERENCES:
patent: 4702490 (1987-10-01), Yamaguchi et al.
patent: 4801115 (1989-01-01), Heard
patent: 4848790 (1989-07-01), Fukunaga et al.
patent: 4865348 (1989-09-01), Hano et al.
patent: 4903983 (1990-02-01), Fukushima et al.
Akatsu Yohsuke
Fujimura Itaru
Fukunaga Yukio
Fukushima Naoto
Fukuyama Kensuke
Nissan Motor Company Limited
Rice Kenneth R.
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