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Inflator and airbag module

  • US 9,840,224 B2
  • Filed: 11/03/2015
  • Issued: 12/12/2017
  • Est. Priority Date: 10/15/2010
  • Status: Active Grant
First Claim
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1. An inflator for a protective device in a vehicle, comprising:

  • a diffuser having a central axis (A) and forming a substantially rotation-symmetric external housing of the inflator with a closing member, wherein the diffuser includes a ceiling portion and a plurality of discharge orifices arranged in a row, and which are of circular shape; and

    a circumferential wall which surrounds a combustion chamber and a filter which extends at least partially along the wall circumferentially about the central axis (A), wherein the wall has at least one supporting portion which constitutes an axial support for the filter and is integrally formed with the wall to position the filter axially between the ceiling portion and the at least one supporting portion such that the at least one supporting portion cooperates with the ceiling portion to prevent axial movement of the filter, and wherein either plural supporting portions are formed by embossed beads with the beads being spaced apart from each other in circumferential direction, or a supporting portion is formed by a completely circumferential embossed bead.

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