The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2004
Filed:
Sep. 25, 2000
Daicel Chemical Industries, Ltd., Osaka, JP;
Abstract
There is provided a multistage gas generator for an air bag in which the entire size of a container is suppressed, a volume ratio of each combustion chamber can arbitrarily be adjusted. Ignition means are respectively disposed in the combustion chambers and provided in a housing At least one of the combustion chambers is provided inside an inner shell disposed eccentrically with respect to the center axis of the housing The respective ignition means are disposed eccentrically with respect to the center axis of the housing Further, a communication hole which allows mutual communication between the combustion chambers is provided. An automatic ignition material (AIM) which is to be ignited and burnt by a transmitted heat is provided in either one of the combustion chambers. One or both of axial end surfaces of a cylindrical filter means are formed as inclining end surfaces which get narrower in the axial extending direction. A supporting member for supporting the inclining end surfaces of the filter means which is expanded radially by passage of an activation gas is provided in the housing.