Daicel Chemical Industries, Ltd.

Takeo Nikko

Masayuki Nakayasu

Noriaki Noma

A gas generator includes, a housing defining a first combustion chamber and accommodating an enhancer chamber cup member, defining an enhancer chamber, and a combustion chamber cup member provided outside the enhancer chamber cup member and defining a second combustion chamber. The enhancer cup member accommodates a first gas generating agent ignited by a first ignition device, and has an enhancer hole for communicating the enhancer chamber with the first combustion chamber during activation. The combustion chamber cup member accommodates a second gas generating agent ignited by a second ignition device, and has a through-hole for communicating the second combustion chamber with the first combustion chamber during activation. A top plate of the enhancer chamber cup member is positioned higher than a top plate of the combustion chamber cup member, and the enhancer hole is positioned higher than the top plate of the combustion chamber cup member.

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Hyogo, Japan

Takeo Nikko