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    • 9. 发明授权
    • Flash suppressor
    • 闪光抑制器
    • US06298764B1
    • 2001-10-09
    • US09483238
    • 2000-01-14
    • Andrew J. ShermanJerry BrockmeyerGregory PetersRobert H. Tuffias
    • Andrew J. ShermanJerry BrockmeyerGregory PetersRobert H. Tuffias
    • F41A2100
    • F41A21/36F41A21/34
    • A muzzle flash and blast suppressor comprising a body of reticulated refractory foam generally surrounding the projectile path adjacent the muzzle of a device. One side of the body of foam is exposed to the pressure within the projectile path just behind the projectile, and the other side is exposed to the unconfined ambient pressure. The foam is required to be possessed of sufficient structural strength to permit its exterior side to be exposed without confinement to the ambient environment. Hot exhaust gasses flowing laterally of the projectile path pass through the body from the high to the low pressure side. In such passage the gasses are cooled by expansion and by contact with the interstices of the body. Debris is filtered out and the pressure is substantially reduced. Typically, the refractory foam has from approximately 30 to 100 pores per inch and is from approximately 90 to 50 percent void volume.
    • 枪口闪光和喷射抑制器,其包括通常围绕与设备的枪口相邻的射弹路径的网状耐火泡沫体。 泡沫体的一侧暴露在弹丸后方的弹丸路径内的压力,另一侧暴露于无约束的环境压力。 泡沫需要具有足够的结构强度,以允许其外侧暴露而不限于周围环境。 从射弹路径横向流动的热排气通过机体从高压侧向低压侧。 在这种通道中,气体通过膨胀和与身体的间隙接触而被冷却。 碎片被过滤掉,压力大大降低。 通常,耐火泡沫体具有每英寸约30至100个孔隙,并且具有约90至50%的空隙体积。