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GAS GENERATOR

  • US 20180354451A1
  • Filed: 11/16/2016
  • Published: 12/13/2018
  • Est. Priority Date: 11/26/2015
  • Status: Active Grant
First Claim
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1. A gas generator comprising, in a cylindrical housing, a combustion chamber which is filled with gas generating agents as a gas source, and a gas discharge port for discharging a gas generated by combustion of the gas generating agents,the combustion chamber including,an ignition device which includes an igniter and closes a first end opening of the cylindrical housing, a partition wall which closes a second end opening on the side axially opposite to the first end opening, and a perforated cylindrical body which is disposed in an inner space thereof;

  • the igniter having an igniter main body, which includes an ignition portion, and an igniter collar which surrounds and holds the igniter main body;

    the perforated cylindrical body being disposed such that a first end thereof surrounds the ignition portion of the igniter, and a second end thereof on the axially opposite side being located on the side of the partition wall;

    an inside space of the perforated cylindrical body being a first chamber which is filled with part of the gas generating agents, and an outside space of the perforated cylindrical body being a second chamber which is filled with the remaining gas generating agents; and

    the gas discharge port being a through hole which is formed in a portion of the partition wall facing the second chamber.

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