INFLATOR AND AIRBAG DEVICE - TOYOTA MOTOR CO LTD

Title:

INFLATOR AND AIRBAG DEVICE

Document Type and Number:

WIPO Patent Application WO/2012/153427

Kind Code:

A1

Abstract:

A disc-shaped, two-stage output-type inflator is reduced in size. An inflator has: an inflator case (12) which is configured from a closed-end cylindrical upper case (42) and a lower case (41), has an upper combustion chamber (62) and a lower combustion chamber (61) which are defined by a partition wall (14) and which respectively store gas generation agents (52, 51), and has upper gas ejection holes (72) and lower ejection holes (71) formed in peripheral walls (42U, 42L); a first inner tube member (21) which stores a transfer charge (91) for combusting the gas generation agent (51) within the lower combustion chamber (61); a second inner tube member (22) which has an upper end section (22B) penetrating through the partition wall (14), is located below the upper combustion chamber (62), and stores a transfer charge (92) for combusting the gas generation agent (52) within the upper combustion chamber (62); a first ignition device (31) for igniting the transfer charge (91) within the first tube member (21); and a second ignition device (32) for igniting the transfer charge (92) within the second tube member (22).

Inventors:

FUKAWATASE OSAMU (JP)
FUJIWARA YUSUKE (JP)

Application Number:

PCT/JP2011/061000

Publication Date:

November 15, 2012

Filing Date:

May 12, 2011

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
FUKAWATASE OSAMU (JP)
FUJIWARA YUSUKE (JP)

International Classes:

B60R21/264

Domestic Patent References:

WO2003066390A1	2003-08-14
WO2002083464A1	2002-10-24

Foreign References:

JP2010163044A	2010-07-29
JP2003089339A	2003-03-25
JP2001354105A	2001-12-25
JPH1159318A	1999-03-02

Other References: