Solid propellant gas generator

Abstract From the Canadian patent

Abstract of the Disclosure A gas generator includes an annular hermetically sealed combustion chamber containing a charge of propellant and an initiator. The combustion chamber is enclosed within an inner housing having an annular wall supporting an annular wall of the combustion chamber. An outer housing surrounds the combustion chamber and inner housing and includes an outer annular wall spaced radially of the annular wall of the inner housing to define a plenum. The outer annular wall includes a series of radially opening exit ports. A plurality of layers of wrapped fine mesh and coarse mesh screen in the plenum filter and cool the gas from the combustion chamber. In one embodiment, the …