Exploding foil initiator for air bag inflator

Details Exploding foil initiator for air bag inflator Exploding foil initiator for air bag inflator

1995-06-28

1997-10-21

Johnson, Brian L.

Land vehicles

Wheeled

Attachment

137 6813, 222 3, 1022027, B60R 2126

Patent

active

056788568

ABSTRACT:
An apparatus for protecting a vehicle occupant comprises an Air bag having a stored deflated condition and an inflated condition for protecting a vehicle occupant. The apparatus also comprises an actuatable inflator (20, 320) for, when actuated, directing inflation fluid into the air bag. An energizable initiator (28, 228, 328) actuates the inflator (20, 320) upon energization. The initiator (28, 228, 328) comprises a foil, bridge section (126) and a flyer section (142). The foil bridge section (126) heats and explodes, in response to energization of the initiator (28, 228, 328), to propel the flyer section (142) to actuate the inflator (20, 320).

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RISI article entitled "Technical Discussion Exploding Foil Initiator (EFI)", publication date and author unknown.

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