Energy absorber having a fiber-reinforced composite structure

Details Energy absorber having a fiber-reinforced composite structure Energy absorber having a fiber-reinforced composite structure

1993-05-20

1995-05-30

Graham, Matthew C.

Brakes

Plastic deformation or breakage of retarder element

188377, F16F 712

Patent

active

054194164

ABSTRACT:
An energy absorber is formed of a fiber reinforced composite into a cylinder having a plurality of portions so that the thickness of the body gradually increases in at least two stages in the axial direction. Reinforcing fiber is wound around at least in a circumferential direction of the body and is impregnated with a resin. The body of the energy absorber has a thin portion continuous to a first end. The end surface of the first end has an area equal to or smaller than 2/3 of the cross-sectional area of the thin portion the vicinity of the junction between the thin portion and the portion adjacent which is thicker than that thin portion. That cross-sectional area of the thin portion continuously increases to the middle of the thin portion from the first end side. The energy absorber is used in a state where impact is applied from the axial direction of the body.

REFERENCES:
patent: 2766163 (1956-10-01), Schwartz et al.
patent: 3511345 (1970-05-01), Takamatsu et al.
patent: 4601367 (1986-07-01), Bongers
patent: 4995486 (1991-02-01), Garneweidner
patent: 5224574 (1993-07-01), Thum

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