Suspension strut for vehicles

Details Suspension strut for vehicles Suspension strut for vehicles

1983-07-27

1985-05-28

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Including seal or guide

267126, F16F 936

Patent

active

045194815

ABSTRACT:
A suspension strut for a vehicle comprises a cylinder in which works a piston, and the piston is carried by a piston-rod which passes through an axial extension depending from a closure for one end of the cylinder. An annular chamber defined between the cylinder and the extension accommodates the whole of a volume of gas or air and a portion of a volume of hydraulic fluid which fills the remaining space in the cylinder and against which the piston works. A seal through which the piston-rod works is carried by the extension at a position which is always below the level of hydraulic fluid in the cylinder so that the gas or air is prevented from escaping past the seal by the presence of the hydraulic fluid.

REFERENCES:
patent: 2939696 (1960-06-01), Tuczek
patent: 2943711 (1960-07-01), Rossman
patent: 2977111 (1961-03-01), Tuczek
patent: 3372776 (1968-03-01), Avner et al.
patent: 3771629 (1973-11-01), Fader et al.
patent: 3797615 (1974-03-01), Stembridge
patent: 3958673 (1976-05-01), Allinquant et al.
patent: 3993294 (1976-11-01), Wossner et al.
patent: 4030716 (1977-06-01), Freitag

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