Working fluid circuit for active suspension system with surge su

Details Working fluid circuit for active suspension system with surge su Working fluid circuit for active suspension system with surge su

1990-04-27

1991-10-08

Marmor, Charles A.

Land vehicles

Wheeled

Running gear

280714, B60G 1700

Patent

active

050548085

ABSTRACT:
An active suspension system is provided a pressure accumulator connected to a drain line connecting a drain port of a pressure control valve which controls pressure in the working chamber of an active cylinder. The pressure accumulator serves for absorbing high pressure surge. On the other hand, means, disposed within the drain line, for generating pressure difference between the upstream and the lowerstream thereof so that the fluid pressure in the drain line at the orientation where the pressure accumulator is connected, is maintained at a level higher than an initial gas pressure in the pressure accumulator.

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