Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1988-08-17
1989-09-12
Hart, Charles
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55485, 55487, 55510, 55523, 294192, 29510, B01D 4600
Patent
active
048656356
ABSTRACT:
A self-sealing annular filter component for operation within a housing portion of a pyrotechnic inflator device. The filter comprises: (a) first and second ring-shaped members configured to form an annular frame, at least one of the ring members being provided with at least one tab member formed integrally therewith and extending outwardly therefrom toward the other ring-shaped member to maintain a set spacing between the frame members, and (b) a plurality of filter layers supported upon the filter frame, each filter layer positioned so as to at least partially overlap a preceding underlying filter layer around the entire annular surface of the filter frame. The outer circumferential edge of the ring-shaped frame member is adapted to ensure circular line contact with an inner portion of the inflator housing. This causes the filter to be self-sealing against the housing as a result of outwardly directed hoop stresses produced by activation of the inflator and thus ensures that the gaseous combustion products produced as a result of the inflator firing do not bypass the filter and exit directly into an attached air bag.
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Hart Charles
Talley Automotive Products, Inc.
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