AN ANNULAR COOLANT/FILTER DEVICE FOR AIRBAG INFLATOR, METHOD OF FORMING SAID COOLANT/FILTER DEVICE, AIRBAG INFLATOR AND AN AIRBAG APPARATUS

摘要

An airbag inflator includes non-azide gas generating propellants (25), surrounding an ignition device (18), disposed inside a housing (17). The gas generating propellants (25) are surrounded by a coolant/filter device (5) having a pressure loss of 0.3x10-2 to 1.5x10-2kg/cm2 at a flow rate of 100 l /min/cm2. A space (28) is provided between an outer periphery of the coolant/filter device (5) and the housing (17) such that the combustion gas passes through the entire area of the coolant/filter device (5). The coolant/filter device (5) is also surrounded by a swell suppressing layer which prevents the coolant/filter device (5) from swelling due to a combustion of the gas generating propellants (25). IMAGE