Expanding-controllable airbag system

Details Expanding-controllable airbag system Expanding-controllable airbag system

2007-12-21

2009-08-11

Fleming, Faye M. (Department: 3616)

Land vehicles

Wheeled

Attachment

Reexamination Certificate

active

07571932

ABSTRACT:
The present invention protects both upper part and lower part of the body of a passenger when an airbag expands in a collision and prevents secondary damage to a baby/infant by appropriately controlling expansion pressure of the cushion on the basis of characteristics of the their bodies. The present invention includes: a diffuser that is disposed in a crush pad and has gas supply holes, gas discharge holes, and an inflator; expansion pressure control member that is movably disposed with respect to diffuser and has at least an opening fluidly-communicating with gas supply holes and a closing portion opening or closing gas discharge holes; and a guide member connected with expansion pressure control member, guides cushion in a predetermined direction, and controls the opening or closing of gas discharge holes by moving expansion pressure control member with respect to diffuser using an internal or external force applied while cushion expands.

REFERENCES:
patent: 5513877 (1996-05-01), Mac Brien et al.
patent: 6237949 (2001-05-01), Nozumi et al.
patent: 6409213 (2002-06-01), Webber et al.
patent: 6588793 (2003-07-01), Rose
patent: 6631920 (2003-10-01), Webber et al.

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