Hydropneumatic, self-pumping, telescopic shock absorber, particu

Details Hydropneumatic, self-pumping, telescopic shock absorber, particu Hydropneumatic, self-pumping, telescopic shock absorber, particu

1995-02-03

1996-10-15

Ballato, Josie

Spring devices

Vehicle

Comprising compressible fluid

B60G 17044

Patent

active

055646808

ABSTRACT:
A hydropneumatic shock absorber includes an inlet valve and an outlet valve. The inlet valve opens when the piston moves in a contracting direction so that fluid is sucked into a pump chamber, and the outlet valve opens when the piston moves in an extending direction so that the fluid is discharged from the pump chamber into a high-pressure operating chamber. Thus, the pressure in the high-pressure operating chamber does not increase when the wheel bounces, and the oscillation encountered while the vehicle is traveling is properly absorbed so that good riding comfort is realized.

REFERENCES:
patent: 3250526 (1966-05-01), Kress
patent: 3497199 (1970-02-01), Tuczek
patent: 3547465 (1970-12-01), Hohenlimburg et al.
patent: 3567244 (1971-03-01), Hoffmann 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," Society of Automotive Engineers, Inc. (SAE), Technical Paper Series 780052 (1978).

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