Land vehicles – Wheeled – Attachment
Patent
1993-12-17
1995-06-13
Culbreth, Eric D.
Land vehicles
Wheeled
Attachment
2807283, B60R 2130
Patent
active
054235715
ABSTRACT:
A vehicle air bag assembly has a housing mounted beneath an opening in a vehicle panel and holding an inflator for discharging gas to inflate an air bag for deployment through the opening. A door normally closes the opening and is forcibly moved out of the opening from a closed position to an open position by the deploying air bag. The housing also includes a plurality of apertures communicable with ambient air. A flap closes the apertures to prevent communication with ambient air so that discharging inflator gas is blocked from escaping out through the apertures and is fully utilized for initial air bag inflation to open the door. A positioning device positions the flap for closing the apertures in the housing. The flap is operatively connected to the door, such as by having an end secured thereto, and is pulled by the opening movement of the door to open the apertures. Upon opening movement of the door by the deploying air bag, ambient air is aspirated in through the apertures to augment the volume of inflator gas delivered to the air bag, and subsequently inflator gas and ambient air may be vented out through the apertures.
REFERENCES:
patent: 3938826 (1976-02-01), Giorgini et al.
patent: 5100172 (1992-03-01), VanVoorhies et al.
patent: 5242191 (1993-09-01), Faigle et al.
Culbreth Eric D.
General Motors Corporation
Leahy Charles E.
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