VEHICLE SUSPENSION SYSTEM

A vehicle suspension system in which the actual available volume of a gas chamber assembly for each suspension strut is decreased during high-speed turn, acceleration or braking to increase resistance to rolling and pitching. The gas chamber of a hydropneumatic spring is connected with an auxiliary...

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Bibliographic Details
Main Authors ITO; NAGANORI, AIKAWA; HIROSHI
Format Patent
LanguageEnglish
Published 04.03.1975
Subjects
PERFORMING OPERATIONS
TRANSPORTING
VEHICLE SUSPENSION ARRANGEMENTS
VEHICLES IN GENERAL
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Summary:A vehicle suspension system in which the actual available volume of a gas chamber assembly for each suspension strut is decreased during high-speed turn, acceleration or braking to increase resistance to rolling and pitching. The gas chamber of a hydropneumatic spring is connected with an auxiliary gas chamber through a spool valve, the spool of which is axially movable under the action of a horizontal force exerted on a weight operatively connected thereto. When the vehicle is subjected to a horizontal component of force, the spool is moved to a position to block communication between the gas chamber of the hydropneumatic spring and the auxiliary gas chamber to thereby reduce the actual available volume of the gas chamber assembly. In another embodiment, the spool valve also functions to isolate a fluid chamber of each strut from a pump and a reservoir during the certain drive conditions as mentioned above, thereby preventing deterioration of driveability.
Bibliography:Application Number: US19730343027