Completely non-pyrotechnic air bag inflator

Details Completely non-pyrotechnic air bag inflator Completely non-pyrotechnic air bag inflator

1997-11-18

1999-05-25

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

222 5, B60R 2126

Patent

active

059063947

ABSTRACT:
The present invention relates to an apparatus (2) for helping to protect a vehicle occupant in the event of sudden vehicle deceleration. The apparatus (2) comprises an inflatable vehicle occupant restraint (4) and an inflator (10, 110) having a chamber (42, 142). A stored inflation fluid (44, 144) for inflating the restraint (4) is disposed in the chamber (42, 142). A device for controlling flow of the inflation fluid (44, 144) from the chamber (42, 142) to the restraint (4) is provided. The device includes a member (40, 200) which has a first mechanical strength when no electric current is applied to the member and a second mechanical strength lower than the first mechanical strength when electric current is applied to the member.

REFERENCES:
patent: 3648898 (1972-03-01), Day
patent: 3777772 (1973-12-01), Arnold et al.
patent: 3887108 (1975-06-01), McDaniel et al.
patent: 4289327 (1981-09-01), Okada
patent: 5046426 (1991-09-01), Julien et al.
patent: 5527066 (1996-06-01), Svensson
patent: 5820162 (1998-10-01), Fink
Article entitled "A Very Low Shock Alternative to Conventional, Pyrotechnically Operated Release Devices", pp. 222-231, Feb. 1, 1994.

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