Pneumatic spring, especially for motor vehicles

Details Pneumatic spring, especially for motor vehicles Pneumatic spring, especially for motor vehicles

1979-08-22

1985-05-21

Halvosa, George E. A.

Spring devices

Vehicle

Compound

267 8R, 267 6424, 267 6427, 267151, 280712, F16F 1300

Patent

active

045181543

ABSTRACT:
A pneumatic spring for motor vehicles which includes a closed spring volume and two spring surfaces of different sizes adapted to be subjected to pressure acting in opposite directions. The two spring surfaces each have an effective spring surface which is variable in size as a function of travel of the pneumatic spring. A separate support arrangement is provided for each of the spring surfaces for supporting the spring surfaces so as to be coaxial with respect to one another. A linking construction is provided for elastically linking the two support arrangements with one another so as to enable an axial distance between the support arrangements to be variable within predetermined limits as a function of a pressure of the closed spring volume.

REFERENCES:
patent: 1328496 (1920-01-01), Cox
patent: 2846983 (1958-08-01), Otto
patent: 2933308 (1960-04-01), McGavern, Jr. et al.
patent: 2973968 (1961-03-01), Behles
patent: 3014714 (1961-12-01), Trevoskis
patent: 3046000 (1962-07-01), Polhemus et al.
patent: 3145985 (1964-08-01), De Carbon
patent: 3369625 (1968-02-01), Sampietro

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