Vehicle suspension system

Details Vehicle suspension system Vehicle suspension system

1981-11-02

1983-10-25

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Running gear

267 11A, B60G 1126

Patent

active

044114478

ABSTRACT:
A vehicle suspension system wherein a frame (11) is supported on an axle (16) by a pair of fluid struts (19,20). The system includes a main accumulator (32) and a pair of auxiliary accumulators (30,35) which are fluidly interconnected. The left strut (19) is fluidly connected to the left auxiliary accumulator (30) and to the cylinder (42) of the main accumulator (32) to act on the pressure surface (62) of one of the pistons (46) therein. The righthand strut (20) is fluidly connected to the righthand auxiliary accumulator (35) and to a lower portion of the cylinder (42) of the main accumulator (32) so as to act on a pressure surface (63) of a second piston (47) therein. The pistons are interconnected in the main accumulator. Movement of the pistons (37,45,40) of the accumulators is resiliently resisted by the provision of compressed gas (38,48,41) in the respective accumulators. The main accumulator controls the bounce mode of the vehicle and the auxiliary accumulators control the roll mode thereof as a result of the arrangement. The suspension system, among other things, solves the vexatious problem of providing a soft suspension resistent to roll in off-highway vehicles having high centers of gravity and wide tires.

REFERENCES:
patent: 3953040 (1976-04-01), Unruh et al.

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