Steering wheel release/stroking using active material actuation

Details Steering wheel release/stroking using active material actuation Steering wheel release/stroking using active material actuation

2009-03-18

2011-10-25

Fleming, Faye M. (Department: 3616)

Land vehicles

Wheeled

Running gear

Reexamination Certificate

active

08042833

ABSTRACT:
A tunable steering wheel release/stroking system adapted for use with a steering column, and to selectively absorb energy during a crash event, includes a steering column and an energy-absorbing element configured to receive a force from the column during the event, wherein the element is formed at least in part of an active material changeable between first and second phases when exposed to an activation signal, and configured so as to be caused to deform by and therefore absorb energy from the force at a first energy-absorbing magnitude in the first phase and at a second energy-absorbing magnitude in the second phase.

REFERENCES:
patent: 6152488 (2000-11-01), Hedderly et al.
patent: 6384518 (2002-05-01), van Poppel
patent: 7731235 (2010-06-01), Klukowski
patent: 2009/0045042 (2009-02-01), Browne et al.

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