Hybrid air bag system having an improved hybrid inflator

Details Hybrid air bag system having an improved hybrid inflator Hybrid air bag system having an improved hybrid inflator

1996-08-27

1998-09-29

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

280741, B60R 2126

Patent

active

058136940

ABSTRACT:
A hybrid air bag system which has a simple internal structure and can be manufactured at a low cost is disclosed. The hybrid inflator is positioned within a first container. The first container is composed of a rupturable cover and a bottom plate. The hybrid inflator has a second container defining a first chamber. The first chamber is filled with a quantity of compressed gas, and then is sealed. A pyrotechnic heater of the hybrid inflator contains a pyrotechnic charge and a squib therein. The pyrotechnic heater generates high temperature combustion products by burning a pyrotechnic charge contained within a second chamber, a booster charge, and a gas generating material contained within a third chamber. Combustion products push upwardly against a lower end surface of an operation pin which is elastically supported by a plate spring and is slidable and vertically positioned within a fourth chamber. Then, the operation pin ruptures a burst disk sealing the first chamber. As a result, the compressed gas stored in the second container and the combustion products are united and then injected into an inflatable air bag to instantaneously inflate the air bag. As a result, a passenger in a motor vehicle can be protected from colliding with a structural part of the motor vehicle by the inflated air bag.

REFERENCES:
patent: 5066038 (1991-11-01), Frantom et al.
patent: 5199740 (1993-04-01), Frantom et al.
patent: 5378018 (1995-01-01), Ketterer et al.
patent: 5423570 (1995-06-01), Kort et al.
patent: 5516147 (1996-05-01), Clark et al.
patent: 5536039 (1996-07-01), Cuevas
patent: 5584505 (1996-12-01), O'Loughlin et al.

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