Active hydropneumatic suspension system
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United States of America Patent
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Feb 6, 1990
Grant Date -
N/A
app pub date -
Sep 30, 1988
filing date -
Sep 30, 1988
priority date (Note) -
Expired
status (Latency Note)
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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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