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1. (WO1998049034) GAS GENERATING DEVICE FOR AIR BAG AND AIR BAG INFLATING METHOD
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/049034 International Application No.: PCT/JP1998/001896
Publication Date: 05.11.1998 International Filing Date: 24.04.1998
Chapter 2 Demand Filed: 04.09.1998
IPC:
B60R 21/26 (2006.01) ,C06D 5/08 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
R
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21
Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02
Occupant safety arrangements or fittings
16
Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
26
characterised by the inflation fluid source or means to control inflation fluid flow
C CHEMISTRY; METALLURGY
06
EXPLOSIVES; MATCHES
D
MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
5
Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
08
by reaction of two or more liquids
Applicants:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. [JP/JP]; 1006, Ohaza Kadoma Kadoma-shi Osaka 571-0050, JP (AT, BE, CA, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
MIYATA INDUSTRY CO., LTD. [JP/JP]; 1-1, Shimomachiya 1-chome Chigasaki-shi Kanagawa 253-0087, JP (AT, BE, CA, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
YAMAMORI, Kiyoshi [JP/JP]; JP (UsOnly)
ONO, Takuhiro [JP/JP]; JP (UsOnly)
KAWAUCHI, Yoshikazu [JP/JP]; JP (UsOnly)
TAKEYAMA, Shigeru [JP/JP]; JP (UsOnly)
ETO, Norimasa [JP/JP]; JP (UsOnly)
TAKAHASHI, Hiroyuki [JP/JP]; JP (UsOnly)
USUI, Yasushi [JP/JP]; JP (UsOnly)
Inventors:
YAMAMORI, Kiyoshi; JP
ONO, Takuhiro; JP
KAWAUCHI, Yoshikazu; JP
TAKEYAMA, Shigeru; JP
ETO, Norimasa; JP
TAKAHASHI, Hiroyuki; JP
USUI, Yasushi; JP
Agent:
SHIMIZU, Yoshihiro ; Room 201 Takadanobaba Center Building 12-8, Takadanobaba 3-chome Shinjuku-ku Tokyo 169-0075, JP
Priority Data:
9/10993925.04.1997JP
Title (EN) GAS GENERATING DEVICE FOR AIR BAG AND AIR BAG INFLATING METHOD
(FR) DISPOSITIF DE PRODUCTION DE GAZ DESTINE A UN COUSSIN GONFLABLE ET PROCEDE DE GONFLAGE DE CE COUSSIN
Abstract:
(EN) A gas generating device for an air bag mounted on a vehicle or the like to protect an occupant by injecting a gas into and inflating an air bag interposed between the occupant and cab parts at trhe time of collision, which comprises a first chamber (9) containing a flammable fluid (7) and having a first vent opening (8) communicating to an air bag (3), a second chamber (5) containing the flammable fluid (7) and being larger than the first chamber (9), a first closure member (31) for closing the first vent opening (8), and ignition means (14) for igniting the flammable fluid (7) in the first chamber (9), and wherein at least a part of the flammable fluid (7) in the first chamber (9) is burnt whereby the fluid in the first chamber (9) and the second chamber (5) is discharged through the first vent opening (8) to inflate the air bag (3). Accordingly, it is possible to shorten an initial response time during which the air bag begins to inflate since the first closure member is quickly broken to discharge the burning fluid mixture in the first chamber.
(FR) Ce dispositif de production de gaz, destiné à un coussin gonflable monté sur un véhicule ou analogue et servant à protéger un occupant, injecte un gaz dans le coussin et gonfle ce coussin placé entre l'occupant et des parties du véhicule lors d'une collision, et il comprend une première chambre (9) contenant un fluide inflammable et présentant une première ouverture d'évacuation (8) communiquant avec un coussin gonflable (3), une seconde chambre (5) contenant le fluide inflammable (7) et plus grande que la première chambre (9), un premier élément de fermeture (31) destiné à fermer la première ouverture d'évacuation (8), ainsi que des moyens d'allumage (14) destinés à enflammer le fluide inflammable (7) situé dans la première chambre (9), une partie au moins de ce fluide (7) étant brûlé dans la première chambre (9), ce qui provoque le passage du fluide de la première (9) dans la seconde chambre (5), à travers la première ouverture (8), et le gonflage du coussin (3). En conséquence, il est possible de raccourcir le temps de réponse initial durant lequel le coussin commence à se gonfler étant donné que le premier élément de fermeture est rapidement brisé afin de libérer le mélange fluidique brûlant dans la première chambre.
front page image
Designated States: CA, US
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
EP0978423US20020038948