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Title:
GAS GENERATOR
Document Type and Number:
Japanese Patent JP2018187985
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent delay of gas jetting in a gas generator having large gas generation amount.SOLUTION: A gas generator 1A includes an igniter 40, a cup-shaped member 50 and a fixation member 70. The cup-shaped member 50 is disposed so that a transfer charge chamber 55 accommodating a transfer charge 56 faces the igniter 40, and explodes or melts when operated. The fixation member 70 fixes a filter 60, and does not explode or melt even when operated. The cup-shaped member 50 includes a side wall portion 51 and a top wall portion 52, and the fixation member 70 includes a partition wall portion 73. An inner diameter Ra of the side wall portion 51 and a distance Ha between top wall portion 52 and the igniter 40 satisfy a condition of Ra/Ha≤1.00. The side wall portion 51 includes a first region R1 surrounded by the partition wall portion 73 and a second region R2 not surrounded by the partition wall portion 73. An end of the partition wall portion 73 is disposed on a top plate portion 21 side of the igniter 40. A gas generating agent 61 is disposed to face the top wall portion 52, the second region R2 and the partition wall portion 73.SELECTED DRAWING: Figure 1

Inventors:
KOYAMA HIROAKI
UEDA SHINYA
OSUGI TOMOSHI
TSURUTA MAKOTO
KINJI MOTOHIRO
KURAKI HIROTSUYO
Application Number:
JP2017090623A
Publication Date:
November 29, 2018
Filing Date:
April 28, 2017
Export Citation:
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Assignee:
NIPPON KAYAKU KK
International Classes:
B60R21/264; B01J7/00
Domestic Patent References:
JP2016166008A2016-09-15
JP2008183939A2008-08-14
JP2017061185A2017-03-30
JP2015003650A2015-01-08
Attorney, Agent or Firm:
Fukami patent office