| 摘要 |
A suspension system for a vehicle in which each suspension system at each wheel has a dual spring rate. An external accumulator is used in connection with the main oil/gas strut but is charged to a higher initial pressure than the pressure of the main strut. Thus, the external accumulator has no effect until the load on the vehicle reaches a predetermined amount. At this time, the external accumulator becomes effective and the total suspension system, including the strut assembly and the accumulator, produces a different spring rate function. In another embodiment load equalization between two rear wheels is obtained by a connecting conduit connecting the oil chambers of the two oil/gas strut systems.
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