Patent ID: 7950693
Filing Date: 2011-05-31
Classification: B60R

Abstract:
1. A dual stage inflator device comprising: a first and second igniter device; a housing, the housing at least in part defining a first chamber containing a quantity of a first gas generant material ignitable to produce first combustion products including a first inflation gas, the housing also at least in part defining a second chamber containing a quantity of a second gas generant material ignitable to produce second combustion products including a second inflation gas, the second chamber operatively associated with and at least in part containing the second igniter device to produce ignition products in direct ignition contact with the second gas generant material; a divider plate disposed and fixed within the housing, the divider plate separating the first chamber from the second chamber, the divider plate including a first opening to allow gas flow communication from the second chamber to the first chamber, the divider plate also including a second opening wherein the first igniter device is at least in part disposed to place the first igniter in operative association with the contents of the first chamber; and a plug element disposed in the first opening of the divider plate to prevent gas flow communication between the first chamber and the second chamber through the first opening in a static state.