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:
Feb. 26, 2013
Filed:
Mar. 29, 2011
Masayuki Nakayasu, Hyogo, JP;
Masayuki Nakayasu, Hyogo, JP;
Daicel Chemical Industries, Ltd., Osaka, JP;
Abstract
A gas generator includes, a housing having a defining a first combustion chamber, an ignition chamber cup, defining an ignition chamber, and a combustion chamber cup, defining a second combustion chamber, being aligned at a distance in a radial direction, a first communication hole communicating the ignition chamber with the first combustion chamber being provided in a circumferential wall portion of the ignition chamber cup, a second communication hole communicating the second combustion chamber with the first combustion chamber being provided in a circumferential wall portion of the combustion chamber cup, a cup-shaped cover member covering the combustion chamber cup and closing the second communication hole, a disk-shaped retainer retaining a gas generating agent, being provided with a first opening for fitting the ignition chamber cup and a second opening for fitting the combustion chamber cup, an annular gap being formed between the second opening and the cover member.