초록 ▼

A solid propellant gas generator incorporates staged gas cooling and filtration so as to generate cool, clean gases having a composition suitable for use in an automobile airbag inflator. Carbon yarn is used as a lightweight primary heat sink within the filter thereby increasing the dimensional stab

A solid propellant gas generator incorporates staged gas cooling and filtration so as to generate cool, clean gases having a composition suitable for use in an automobile airbag inflator. Carbon yarn is used as a lightweight primary heat sink within the filter thereby increasing the dimensional stability of the gas generator.

대표청구항 ▼

[ I claim:] [1.] A multistage filter for the inflator of an airbag passenger restraint system comprising a housing having a propellant bed disposed internally thereof, said filter comprising:a permeable inner filtration stage in fluid communication with and disposed about said propellant bed;a perme

[ I claim:] [1.] A multistage filter for the inflator of an airbag passenger restraint system comprising a housing having a propellant bed disposed internally thereof, said filter comprising:a permeable inner filtration stage in fluid communication with and disposed about said propellant bed;a permeable intermediate filtration stage comprised of a plurality of carbon yarn layers in fluid communication with and extending about said inner filtration stage; anda permeable outer filtration stage in fluid communication with and extending about said intermediate filtration stage,whereby gases produced by combustion of said propellant flow through said inner filtration stage for cooling and filtration thereof, then into said carbon yarn for further cooling and filtration thereof, then through said outer filtration stage for final filtration and cooling, thence outwardly of said housing.