Inflatable airbag with overlapping chamber

Details Inflatable airbag with overlapping chamber Inflatable airbag with overlapping chamber

2008-03-25

2008-03-25

Ilan, Ruth (Department: 3616)

Land vehicles

Wheeled

Attachment

C280S730200

Reexamination Certificate

active

07347444

ABSTRACT:
An inflatable side airbag apparatus having a thorax cushion and an independently inflatable overlapping high pressure pelvic cushion is disclosed. The airbag system provides for rapid deployment of the pelvic cushion. The thorax cushion inflates adjacent to and provides impact protection for an occupant's thorax and pelvis in a lateral collision. The pelvic cushion inflates between the thorax cushion and the side structure of the vehicle and provides impact protection for the occupant's pelvis. The airbag system also includes an inflator having a gas guide that is in fluid communication with both cushions, and inflates the pelvic cushion to a higher pressure than the thorax cushion. The thorax cushion further includes a diffuser hood for diverting inflation gas toward the pelvic region of the cushion, thereby rapidly positioning the pelvic cushion in its intended deployment position.

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