초록 ▼

A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a hybrid propellant (i.e., ballistic properties similar to double-base and long-term stability similar to LOV

A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a hybrid propellant (i.e., ballistic properties similar to double-base and long-term stability similar to LOVA) is included in the gas generator.

대표청구항 ▼

An inflator for an inflatable safety system, comprising: an inflator housing; a pressurized medium contained within at least said inflator housing, wherein said pressurized medium consists essentially of at least one inert gas and oxygen and wherein said pressurized medium is the only pressurized fl

An inflator for an inflatable safety system, comprising: an inflator housing; a pressurized medium contained within at least said inflator housing, wherein said pressurized medium consists essentially of at least one inert gas and oxygen and wherein said pressurized medium is the only pressurized fluid contained within said inflator prior to any activation of said inflator; a gas generator interconnected with said inflator housing and comprising a gas generator housing and at least one gas generator outlet: a propellant contained within said gas generator housing comprising a secondary explosive and a binder system, wherein said propellant has a burn rate ranging from about 0.1 inches per second (0.25 cm/sec) to about 1 inch per second (5.0 cm/sec) at 4,000 psi (27.6 MPa), a combustion temperature ranging from about 2,000°K. to about 3,800°K., and has lone-term thermal stability, said secondary explosive being selected from the group consisting of RDX (hexahydrotrinitrotriazine), HMX (cyclotetramethylenetetra-nitramine) , PETN (pentaerythritol tetranitrate) , and TACN (triaminoguanidine nitrate), said binder system being selected from the group consisting of polymeric binders, plasticizers, stabilizers and combinations thereof, said binder system comprising at least one of an energetic glycidyl azide polymer, a nitrate ester plasticizer, a glycidyl azide plasticizer, nitroglycerin, and BDNPA/F (bis (2,2-dinitropropyl) acetal/formal); and an inflator activation assembly comprising an ignitable material other than said propellant, wherein said pressurized medium is released from said inflator housing and said propellant is ingnited upon initiating said inflator activation assembly.