Filter arrangement for airbag gas generators

Details Filter arrangement for airbag gas generators Filter arrangement for airbag gas generators

1990-06-22

1991-11-12

Spitzer, Robert

Gas separation

With means securing or retaining separating media

Discrete fibrous or particulate solids

55526, 55527, 55DIG42, 280736, B01D 3912

Patent

active

050644599

ABSTRACT:
A filter arrangement for an airbag gas generator of the type utilizing gas-producing propellant charge to generate gas to inflate an airbag, and having a filter chamber exhibiting contoured interior surfaces. A gas permeable filter material with a large effective filter surface is disposed in the filter chamber in such a manner as to substantially completely fill up the filter chamber and to contact substantially all of its contoured interior surfaces. The filter material comprises a circular knitted wire knit, rolled up and pressed into a shape corresponding to the shape of the filter chamber.

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patent: 3776701 (1973-12-01), Hunter
patent: 3780872 (1973-12-01), Pall
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patent: 4158449 (1979-06-01), Sun et al.
patent: 4261718 (1981-04-01), Garner
patent: 4322385 (1982-03-01), Goetz
patent: 4329844 (1982-05-01), Shadman et al.

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