Hydro-pneumatic suspension

Details Hydro-pneumatic suspension Hydro-pneumatic suspension

1996-12-06

1998-07-28

Schwartz, Chris

Spring devices

Vehicle

Comprising compressible fluid

267 6419, B60G 512

Patent

active

057853029

ABSTRACT:
A hydro-pneumatic suspension system adapted to be connected to first and second sides of a vehicle for leveling the vehicle in a side-to-side direction includes first and second absorbers, a pump and a gas spring element. Each of the first and second absorbers includes a piston rod provided with a piston for slidingly engaging a cylinder and an actuating chamber for an actuating liquid formed between the cylinder and the piston. The pump and the gas spring elements are connected to the actuating chamber of the first and second absorbers to control the flow of the actuating liquid. The pump and the gas spring element are independent from the first and second absorbers.

REFERENCES:
patent: 3250526 (1966-05-01), Kress
patent: 3497199 (1970-02-01), Tuczek
patent: 3547465 (1970-12-01), Hoffman et al.
patent: 3567244 (1971-03-01), Hoffman et al.
patent: 4214775 (1980-07-01), Taft
patent: 4325567 (1982-04-01), Hendrickson
patent: 4368878 (1983-01-01), Meller et al.
patent: 4408773 (1983-10-01), Meller et al.
patent: 4577840 (1986-03-01), Meller et al.
patent: 4993693 (1991-02-01), Lohr et al.
patent: 5062616 (1991-11-01), Sommer
"Self-Energizing Hydropneumatic Levelling Systems" (Meller), Society of Automotive Engineers, Technical Paper Series (1978).

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