WRAP-AROUND AIRBAG DEVICE

摘要

An airbag device for a vehicle including at least one airbag housing interface chamber that attaches to an airbag housing; at least one airbag cushion chamber downstream of the at least one interface chamber; an elbow that fluidly connects the housing interface chamber with the cushion chamber and configured so that it controllably regulates gas flow into the at least one airbag cushion chamber; the elbow having an internal configuration, which includes at least one opening that permits back and forth gas flow between the elbow and the at least one airbag cushion chamber, and which controls the directional deployment of the airbag cushion chamber so that upon deployment the downstream end of the cushion chamber exits an airbag housing outwardly in a first direction and then in at least one second direction, so that the direction of deployment of the cushion chamber changes in direction to thereby wrap at least partially around a structure of a vehicle of the vehicle and at least temporarily interpose the cushion chamber between any occupant and the vehicle structure.

主权项

1. An airbag device for a vehicle comprising:
(a) a housing; (b) an inflator at least partially located in the housing; (c) an airbag folded and accommodated in the housing, and the airbag includes:
(i) at least one airbag housing interface chamber that is attached to the housing and is in fluid communication with the inflator;(ii) at least one elbow that is fluidly connected to the at least one airbag housing interface chamber by a first opening;(iii) at least one airbag cushion chamber that is fluidly connected to the at least one elbow by a second opening;wherein the housing is located on or adjoining a bottom of an instrument panel and includes a downward facing opening;wherein when the airbag is in an inflated state;(i) the at least one airbag housing interface chamber is located below the housing and anterior to a forward end of the housing;(ii) the at least one elbow is located rearward of the at least one airbag housing interface chamber; and(iii) the at least one airbag cushion chamber elongates in an upwardly direction from the at least one elbow and is located in between a leg of any occupant and the instrument panel.