FILTER FOR PYROTECHNIC AIRBAG INFLATOR
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United States of America Patent
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N/A
Issued Date -
Dec 27, 2012
app pub date -
Jun 23, 2011
filing date -
Jun 23, 2011
priority date (Note) -
Abandoned
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Abstract
A filter element made up of a plurality of substantially spaced-apart barriers that afford fluid communication between a source of pressurized airbag inflation gas containing entrained particulates and an airbag inflation gas entry port. The inflation gas and entrained debris pass along a tortuous path of back-and-forth oppositely-directed gas flow pathways between successive pairs of adjacent of the barriers. An aperture is formed through each of the barriers, and the barriers are so arranged that the aperture in a selected barrier is remote from the aperture in any barrier adjacent thereto. A debris pocket at an end of one of the gas flow pathways is so configured that particulates entrained in inflation gas collect in the debris pocket sheltered from sustained entrainment in the outflow of inflation gas.
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