Oleo/pneumatic levelling struts

Details Oleo/pneumatic levelling struts Oleo/pneumatic levelling struts

1974-07-26

1976-03-23

Goodman, Philip

Land vehicles

Wheeled

Running gear

188315, 267 64R, B60G 1704

Patent

active

039456633

ABSTRACT:
A hydro-pneumatic suspension strut for use in a self-levelling vehicle suspension system. The strut is similar in construction to a pressurized two-tube shock absorber, having a working cylinder in which a piston having damping valves is slidable, and an annular oil reservoir communicating with one end of and surrounding the working cylinder. The reservoir contains two flexible sacs, one of which contains gas for pressurizing the strut and providing suspension resilience, while the other is provided with an inlet for connection to the vehicle suspension system, so that it can be inflated to cope with increased loads.

REFERENCES:
patent: 2997291 (1961-08-01), Stultz
patent: 3024875 (1962-03-01), Stultz
patent: 3123347 (1964-03-01), Stormer
patent: 3610656 (1971-10-01), Klees
patent: 3627348 (1971-12-01), Klees
patent: 3720425 (1973-03-01), Asano

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