Catalytic filter for an inflator
AssigneeTRW Inc.
InventorMichael G. Mangum
Life of this patent
Estimating the term…
Abstract
An apparatus (10) for helping to protect a vehicle occupant includes an inflatable vehicle occupant protection device (16) and a inflator (12) for providing inflation fluid to inflate the vehicle occupant protection device (16). A non-azide gas generating material is in the inflator (12). The non-azide gas generating material when combusted produces inflation fluid which comprises carbon monoxide (CO) and nitrogen oxides (NOx). A catalyst system which contacts the inflation fluid is also in the inflator. The catalyst system is reactive with the carbon monoxide (CO) and nitrogen oxides (NOx) in the inflation fluid. The catalyst system comprises a zeolite and a catalytic material. The catalytic material is supported by the zeolite.
Claims14
An apparatus for helping to protect a vehicle occupant, said apparatus comprising:
- an inflator for providing inflation fluid to inflate said vehicle occupant protection device;
- a non-azide gas generating material in said inflator which when combusted produces inflation fluid comprising carbon monoxide (CO) and nitrogen oxides (NOx);
- and
- a catalyst system in said inflator which contacts said inflation fluid, said catalyst system being reactive with the carbon monoxide (CO) and nitrogen oxides (NOx) in the inflation fluid, said catalyst system comprising a zeolite and a catalytic material, said catalytic material being supported by said zeolite.
An apparatus for inflating an inflatable vehicle occupant protection device, said apparatus comprising:
- an inflation fluid source which, when actuated, produces inflation fluid, said inflation fluid being at a temperature of at least about 700° C. and comprising carbon monoxide (CO) and nitrogen oxides (NOx);
- and
- a catalyst system which contacts said inflation fluid comprising a zeolite and a catalytic material, said catalytic material being supported by said zeolite, said catalyst system being reactive with the carbon monoxide (CO) and nitrogen oxides (NOx) in the inflation fluid.
Dependencies are inferred from the claim text.