Patent ID: 6474685
Filing Date: 2002-11-05
Classification: B60R

Abstract:
A gas generator, for a vehicle occupant restraint system, said gas generator comprising:a housing, a filter chamber, a combustion chamber filled with solid propellant and having an outflow end, at least one igniter unit having an igniter, and igniting said solid propellant, said solid propellant, when ignited, generating gas and filterable particles, and at least one gas permeable filter for trapping said filterable particles while allowing flow through of said generated gas, said at least one filter adjoining said solid propellant at said outflow end and delimiting said combustion chamber, said filter having a gas permeable central part in the shape of a truncated cone tapering in a direction towards an interior of said combustion chamber, said solid propellant laterally adjoining said central part, and said filter having a hollow and tubular cylindrical section which adjoins said central part in said direction towards said interior of said combustion chamber.