Gas generator with porous outer wall

Details Gas generator with porous outer wall Gas generator with porous outer wall

1993-04-19

1994-12-20

Jones, W. Gary

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Including gas generating means

280736, 280741, 422166, B01J 700

Patent

active

053744071

ABSTRACT:
The present invention provides a gas generator for air bags that includes a first shell having a circular part and an outer wall. The outer wall formed is of a porous material which allows gas to pass freely therethrough. A second shell is attached to the first shell to form a housing into which is installed a gas generating device. The gas generating device includes a canister filled with a gas generant. A plurality of first and second blade members fasten the first and second shells together. The blade members are at least equal in height to the total height of the housing, the first blade members being shaped to fit the outer circumferential surface of the canister and placed in contact with the outer circumferential surface of the canister and arranged along the circumference of the canister at periodic intervals to form a ring. The second blade members have a width at least equal to the circumferential interval between the first blade members and are spaced radially from the first blade members and shifted in the circumferential direction from the first blade members to positions facing the intervals between the first blade members. The first and second blade members have projections that extend through apertures formed in the first and second shells. The projections engage the outer surfaces of the shells to fasten the shells together. Gases produced by the gas generating device on receiving impacts are delivered past the blade members and introduced, through the outer wall of the first shell, into the air bag to protect a passenger from the impacts.

REFERENCES:
patent: 4530516 (1985-07-01), Adams et al.
patent: 4907819 (1990-03-01), Cuevas
patent: 5178409 (1993-01-01), Hiramitsu et al.
patent: 5199741 (1993-04-01), Swann et al.
patent: 5201542 (1993-04-01), Thuen et al.
patent: 5204068 (1993-04-01), O'Loughlin et al.
patent: 5260038 (1993-11-01), Decker et al.

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