Impact-absorbing shock absorber with deformation body

Brakes – Plastic deformation or breakage of retarder element – Element extruded through or around tool

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188371, 18832211, F16F 712

Patent

active

054431468

ABSTRACT:
An impact-absorbing shock absorber with two telescoping tubes, in particular for motor vehicles, for decelerating, as a result of hydraulic damping forces and pneumatic spring forces, a vehicle which collides with an obstacle, has an inner tube closed by a bottom, a gas chamber adjacent to the bottom and containing a gas cushion at high pressure, a separating piston guided in a sealed manner so that it can move inside the inner tube, a first fluid chamber, a partition which has throttle openings, and a second fluid chamber which is connected via the throttle openings of the partition to the first fluid chamber. Above a defined energy absorption threshold, the partition is can be displaced from its original installed position toward the gas chamber, with an accompanying change in the shape of the inner tube.

REFERENCES:
patent: 3993294 (1976-11-01), Wossner et al.
patent: 4003454 (1977-01-01), Wossner et al.
patent: 4022451 (1977-05-01), Voigt
patent: 4915363 (1990-04-01), Prozeller et al.
patent: 4988081 (1991-01-01), Dohrmann
patent: 5064030 (1991-11-01), Wossner
patent: 5181589 (1993-01-01), Siegner et al.

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