Shock absorbing strut with an aluminum container for a motor veh

Details Shock absorbing strut with an aluminum container for a motor veh Shock absorbing strut with an aluminum container for a motor veh

1996-04-26

1998-12-15

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Including means connecting thrust member to load

18832217, 18832219, F16F 918, F16F 936

Patent

active

058486763

ABSTRACT:
A vibration damper for a motor vehicle is taught, which vibration damper has a cylinder tube in which a piston rod which is centered by a piston rod guide can move axially. A container tube encloses the cylinder tube, and the container tube is made of a material which has a significantly higher coefficient of thermal expansion than the material of the cylinder tube. Aluminum is an example if the container tube material. A compensation device compensates for the length difference between the cylinder tube and the container tube at temperatures below and above the temperature at which the vibration damper is manufactured. The container tube is characterized by the fact that preferably at least two expansion beads are formed in the wall of the container tube. The expansion beads compensate for thermal changes in length of the container tube and hold the cylinder tube under a bias with respect to the container tube over the entire range of operating temperatures.

REFERENCES:
patent: 2576658 (1951-11-01), Werner
patent: 2624592 (1953-01-01), MacPherson
patent: 2653683 (1953-09-01), Strauss
patent: 2732039 (1956-01-01), Funkhouser et al.
patent: 4531618 (1985-07-01), Kobiske et al.
patent: 5441132 (1995-08-01), Pradel et al.
"Fahrwerktechnik: Stoss- und Schwingungsdampfer", Vogel Buchverlag Wurzburg, 1989, pp. 144, 152, 153, 155; Reimpell, et al.
"Beschreibung der Axial-Kompensatoren", 1971, Hydra, pp. 40, 41, 62, 63.

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