US 7,374,204 B2
Inflator second stage combustion control
Isaac Hoffman, Kaysville, Utah (US); Kirk Rassmussen, West Point, Utah (US); and Bradley Smith, Plain City, Utah (US)
Assigned to Autoliv ASP, Inc., Ogden, Utah (US)
Filed on Nov. 28, 2005, as Appl. No. 11/287,843.
Prior Publication US 2007/0120349 A1, May 31, 2007
Int. Cl. B60R 21/26 (2006.01); B60R 21/264 (2006.01)
U.S. Cl. 280—741  [280/736; 280/737] 20 Claims
OG exemplary drawing
 
1. An inflator for inflating an airbag comprising:
a housing;
a first chamber disposed within the housing;
a generant cup and a cap disposed within the housing, the generant cup and the cap defining a second chamber that houses gas generant, the cap engaging the generant cup in seated engagement; and
one or more perforations, wherein actuation of gas generant in the second chamber unseals the one or more perforations, wherein the movement of the cap does not separate the cap from the generant cup, wherein the first chamber is capable of being actuated independent of the second chamber.