Gas generator comprising reagent gases

A gas generator comprising:

• a first chamber having first pressurized gases and a first outlet port closed by first breakable sealing means,
• a second chamber with second pressurized gases and a second outlet port closed by second breakable sealing means,
• a diffusion zone, arranged to receive and diffuse towards an airbag the first pressurized gases and the second pressurized gases when the first breakable sealing means and the second breakable sealing means are broken, wherein the diffusion zone is disposed between the first chamber and the second chamber and along a longitudinal axis of the gas generator,
• wherein the first pressurized gases and the second pressurized gases are arranged to react together once they are mixed, and
• wherein the gas generator comprises a first deflector arranged to impose on the first pressurized gases a first radial discharge trajectory relative to the longitudinal axis in the diffusion zone and a second deflector to impose on the second pressurized gases a second radial discharge trajectory relative to the longitudinal axis in the diffusion zone that is opposite the first radial discharge trajectory,
• wherein the first deflector and the second deflector are arranged to limit a mixture between the first pressurized gases and the second pressurized gases in the diffusion zone.