Rebound control for energy absorber unit

Details Rebound control for energy absorber unit Rebound control for energy absorber unit

1974-11-25

1976-01-20

Love, John J.

Vehicle fenders

Double-ender interconnected

293DIG2, 188322, 267116, B60R 1902

Patent

active

039333868

ABSTRACT:
The bumper assembly of a vehicle is supported by a pair of energy absorber units each of which incorporates a piston assembly which strokes in an inner cylinder to force gas from an inner chamber to a gas spring chamber through an expansible and contractable control chamber controlled by one-way valves and bleed orifices. On the return stroke, compressed gas in the control chamber exerts a force opposing the gas spring return force exerted on the piston assembly. Gas in the control chamber meters through the bleed orifices into the inner chamber so that the return rate of the piston assembly is effectively controlled and reduced.

REFERENCES:
patent: 2820771 (1974-06-01), Kerr et al.
patent: 3814219 (1974-06-01), Fannin et al.
patent: 3820772 (1974-06-01), Kerr et al.

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