Patent ID: 6886856
Filing Date: 2005-05-03
Classification: B60R

Abstract:
1. An inflator for inflating an airbag comprising: a housing having an axial centerline and comprising a first housing portion with a diameter d a gas generant disposed in said first and second chambers; a first ignition unit for use in combusting said gas generant disposed in said first chamber; a second ignition unit for use in combusting said gas generant disposed in said second chamber; a barrier extending perpendicular to the axis of the inflator and separating the first and second chambers; a first ignition enhancer tube disposed in said first chamber, a portion of said first ignition unit being located within said first ignition enhancer tube, said first ignition enhancer tube having at least one outlet defined therein, said first ignition enhancer tube capable of holding an ignition enhancer such that when said first ignition unit ignites, said ignition enhancer combusts and exits through said outlet and then reacts with said gas generant; a second ignition enhancer tube disposed in said second chamber, a portion of said second ignition unit being located within said second ignition enhancer tube, said second ignition enhancer tube having at least one outlet defined therein, said second ignition enhancer tube capable of holding an ignition enhancer such that when said second ignition unit ignites, said ignition enhancer combusts and exits through said outlet and then reacts with said gas generant; and wherein said barrier extending perpendicular to the axis of the inflator has a first divider plate connected to said first housing portion and a second divider plate connected to said second housing portion, wherein said first divider plate has a main body; inner and outer annular ribs integrally formed with said main body and forming cavities thereunder; and a circumferentially extending flange portion contacting said second divider plate and said first housing portion.