Hybrid inflator for airbags

Details Hybrid inflator for airbags Hybrid inflator for airbags

B - Operations, Transporting

60

R

B60R 21/26 (2006.01)

Patent

CA 2223201

A hybrid inflator (10), includes a storage chamber (14) for storing a pressurized gas and a pyrotechnic heater assembly (30) which has a solid gas generating material (42) within a combustion chamber (33). A closure (62) provides a pressure seal between the storage chamber and the combustion chamber. Upon receiving a control signal, an igniter (54) ignites the solid gas generating material. The closure is ruptured, allowing a mixture of hot generated gas and stored gas to discharge through a diffuser (70) and flow into a vehicle occupant restraint.

Gonfleur hybride (10) comprenant une chambre d'entreposage (14) pour entreposer un gaz sous pression et un dispositif de chauffage pyrotechnique (30) muni d'un matériau générateur de gaz solide (42) à l'intérieur d'une chambre de combustion (33). Un dispositif de fermeture (62) fournit un joint d'étanchéité entre la chambre d'entreposage et la chambre de combustion. Sur un signal de commande, l'igniteur (54) allume le matériau générateur de gaz solide. Le dispositif de fermeture se brise, permettant à un mélange de gaz chaud et de gaz entreposé de s'écouler par un diffuseur (70) dans un dispositif de retenue des occupants d'un véhicule.

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