Patent ID: 6257617
Filing Date: 2001-07-10
Classification: B60R

Abstract:
An apparatus for inflating an inflatable vehicle occupant protection device, said apparatus comprising:a housing having a fluid outlet for directing flow of inflation fluid out of said housing to the inflatable device;an igniter housing in said housing;a generally ring-shaped propellant chamber within said housing and extending around said igniter housing;said propellant chamber having first and second axially spaced portions;a quantity of ignitable propellant located in said first portion of said propellant chamber for, when ignited, producing inflation fluid for inflating the inflatable device; anda heat sink located in said second portion of said propellant chamber for cooling inflation fluid flowing from said first portion of said propellant chamber, said heat sink having a generally conical configuration and acting between said propellant and said housing to limit movement of said propellant in said housing, said heat sink having a first surface in abutting engagement with said igniter housing.