Patent ID: 6659500
Filing Date: 2003-12-09
Classification: B60R

Abstract:
An inflator for a vehicle occupant protection system comprising:a housing comprising an inner wall and a first plurality of gas exit apertures spaced therein, said housing forming a primary propellant chamber; an initiator assembly comprising a first component and a second component coupled together in nested relationship, said assembly fixed within said housing and over said primary propellant chamber; a first chamber and a second chamber wherein each chamber is formed through said first and second components, said first chamber and/or said second chamber in fluid communication with said primary propellant chamber upon inflator operation; a first initiator and a second initiator contained within the first chamber and the second chamber respectively; a first ignition compound and a second ignition compound within said first and second chambers respectively, wherein upon inflator operation said first and/or said second initiators ignite said first and/or said second ignition compounds, respectively; and a solid primary gas generant composition contained within said primary propellant chamber, said primary gas generant combustible upon ignition of said first and/or said second ignition compounds wherein gases produced from said primary gas generant exit said first plurality of gas exit apertures.