Patent ID: 7654566

Claim:
A gas generator unit for an airbag restraint system comprising a cylindrical gas generator having a lateral surface which forms a plurality of emission holes arranged in a thrust-neutral manner within a ring-shaped area of the gas generator, and a deflector element, which is rigidly connected to the gas generator and is made of a heat resistant material and at least partially surrounds the ring-shaped area to form an inflow area, the deflector element forms vent holes which are sealed by at least one blocking element made of a meltable or combustible material, the vent holes being arranged in such a manner that the gas generator unit is thrust-neutral upon the melting or combustion of the blocking element, the blocking element maintaining a sealing of the vent holes during a deployment of the gas generator to inflate an associated airbag, wherein the deflector element is a hollow cylinder and that an annular gap is configured between the lateral surface and the deflector element defining the inflow area.