Motor vehicles – Special driving device – Portable track
Patent
1988-09-30
1990-02-06
Hill, Mitchell J.
Motor vehicles
Special driving device
Portable track
180 952, 180 22, 180 41, 188305, 267218, 280 612, 280705, 280707, 280DIG1, B60G 1704, B60G 1708, B62D 55112
Patent
active
048982571
ABSTRACT:
An active suspension system for use with a mass suspended relative to a movable structure and subject to external forces such as the chassis of off-road vehicles, and in particular the hull of heavy combat vehicles, has a passive hydropneumatic suspension system (PHSS) connected to a servopump and an accumulator, and wherein the servopump transfers fluid energy between the accumulator and the suspension system, in accordance with sensed operating conditions which are inputted to a processor whose output commands the velocity of the servopump to control the pressure and volume relationships of the PHSS and accumulator to improve the ride of said vehicle and to substantially reduce energy requirements when operating off-road.
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Evans John C.
Hill Mitchell J.
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