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    • 6. 发明授权
    • Spooling pyrotechnic device
    • 卷烟烟火装置
    • US09217624B2
    • 2015-12-22
    • US14703452
    • 2015-05-04
    • DMD Systems LLC
    • Darren Naud
    • F42B4/22F42B4/26
    • F42B4/22F42B4/06F42B4/24F42B4/26F42B4/30
    • A pyrotechnic device including a combustion chamber including a wall, the combustion chamber containing combustible powder; an ignition source adapted to ignite said combustible powder within said combustion chamber; wherein the wall of the combustion chamber is adapted to burst at a predetermined pressure caused by combustion of the combustible powder; wherein the combustion chamber is disposed within a launch structure beneath a projectile and wherein a preselected amount of free space volume is disposed between said combustion chamber and said projectile.
    • 一种烟火装置,包括包括壁的燃烧室,所述燃烧室容纳可燃粉末; 点燃源,其适于点燃所述燃烧室内的所述可燃粉末; 其中所述燃烧室的壁适于以由所述可燃粉末的燃烧引起的预定压力爆裂; 其中所述燃烧室设置在射弹下方的发射结构内,并且其中预定量的自由空间体积设置在所述燃烧室和所述射弹之间。