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:
Oct. 31, 1995
Filed:
Dec. 27, 1994
James L Webber, Centerville, OH (US);
Francis J Holmes, Beavercreek, OH (US);
General Motors Corporation, Detroit, MI (US);
Abstract
A hybrid air bag inflator is provided including an elongated first pressure chamber storing a compressed gas with first and second apertures; a first membrane sealing the first aperture; a second membrane for sealing the second aperture; a tube fluidly connecting with the first aperture and extending a substantial portion of the length of the first pressure chamber; a second pressure chamber mounted adjacent the first pressure chamber exposed to the first membrane; an igniter within the second chamber; a pyrotechnic material packaged within the second pressure chamber; a piston with a first end mounted in the tube and a second end for puncturing the second membrane, the piston being held in position within the central opening of the diffuser cap by a rupturable retainer; and a deflector ring mounted on the piston and encircling the same.