Patent ID: 7147248

Claim:
A passenger air bag system for a vehicle, comprising: an air bag housing mountable to a front of an instrument panel; an inflator provided in the air bag housing to discharge gas when a collision of the vehicle occurs; a cushion accommodated in the air bag housing such that the cushion is expanded toward a passenger seated in a passenger seat by the gas discharged from the inflator; a retainer attached to the air bag housing to support the cushion; a diffuser bag fixed to an inlet part of the cushion, the diffuser bag receiving gas through the inlet part of the cushion and comprising a plurality of gas-discharging holes formed at both sides thereof to discharge gas introduced thereinto into the cushion; and a single gas-guiding hole provided on the retainer; wherein the diffuser bag further comprises: a main body formed in the shape of a pocket to receive gas; an inlet part formed at the main body to receive gas introduced into the main body therethrough; and a gas-discharging opening formed at one side of the main body to discharge gas received in the main body in a prescribed direction; wherein the main body of the diffuser bag comprises: an upper panel forming an upper part of the main body; and a lower panel attached to a lower side of the upper panel by sewing to define a chamber therein together with the upper panel; wherein the upper panel has a gas-discharging hole formed therein, the lower panel has another gas-discharging hole formed therein, and the gas-discharging hole of the upper panel corresponds to the gas-discharging hole of the lower panel.