Multi-stage ignition type gas generator

Details Multi-stage ignition type gas generator Multi-stage ignition type gas generator

2006-12-19

2006-12-19

Johnson, Stephen M. (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Propellant ignitors

C280S741000

Reexamination Certificate

active

07150227

ABSTRACT:
A multi-stage ignition type gas generator has a first combustion chamber and a second combustion chamber defined independently from each other, and a third combustion chamber through which a gas generated in the first combustion chamber and the second combustion chamber passes before reaching a gas discharge port. In a partition wall defining the first combustion chamber and the third combustion chamber and a partition wall defining the second combustion chamber and the third combustion chamber, a restriction means, which opens a communicating port communicating a combustion chamber and the third combustion chamber only by gas pressure generated in the combustion chamber defined inside the partition wall, is arranged, and a gas generating agent disposed in the first combustion chamber and a gas generating agent disposed in the second combustion chamber are different in at least one of all gas output and gas output per unit time.

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