Tunable, healable vehicle impact devices

Details Tunable, healable vehicle impact devices Tunable, healable vehicle impact devices

2006-04-18

2006-04-18

Pape, Joseph D. (Department: 3612)

Vehicle fenders

Buffer or bumper type

Bumper having impact force absorbing means directly...

C296S187090, C267S175000

Reexamination Certificate

active

07029044

ABSTRACT:
An impact absorbing device for a vehicle uses a shape memory material that can be heated to repair deformation from a relatively low speed, low energy impact and its stroking force and energy absorption can be tuned by heating. The shape memory material is suitably used in a crash box having an inserted impact absorbing ram, the box being placed, for example, between a bumper and strong body member. The shape memory material is attached to the box and ram for absorbing energy as the ram is driven into the box. Electric resistance heating may be used to repair or tune the shape memory material.

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