Patent ID: 7887091
Filing Date: 2011-02-15
Classification: B60R

Abstract:
1. An inflator comprising: a housing at least in part defining a first chamber containing a quantity of gas generant; an initiator operatively associated with the first chamber and in reaction initiating communication with at least a portion of the quantity of gas generant, the initiator, upon actuation, to ignite at least a portion of the quantity of gas generant to form gas; the housing further at least in part defining a second chamber adjacently disposed to the first chamber, the second chamber containing a quantity of liquid and a piston assembly, the liquid includes at least one of a fuel soluble in the liquid or an oxidizer soluble in the liquid, the piston assembly including a piston having an interior sealed from the quantity of liquid, wherein during deployment, the piston moves to unseal the interior of the piston from the liquid to expel at least a portion of the quantity of liquid from the second chamber such that the expelled liquid contacts and cools gas formed by the ignition of the gas generant; and the housing further having at least one discharge opening to permit gas to exit the housing.