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    • 2. 发明申请
    • REDUCED FIRING SIGNATURE WEAPON CARTRIDGE
    • 减少的射击签名武器筒
    • WO2009048664A8
    • 2009-05-22
    • PCT/US2008070594
    • 2008-07-21
    • DINDL FRANK JJONES KENNETH R
    • DINDL FRANK JJONES KENNETH R
    • F42B29/00F42B5/02
    • A reduced signature weapon cartridge is provided which, when fired, produces little or no muzzle blast or noise signature. In particular, a reduced signature weapon cartridge of the present invention comprises a movable piston disposed within the cartridge, disposed in between the high pressure chamber and the projectile. When fired, propellant gases rapidly force the piston forward within the cartridge case, thereby launching the projectile at a subsonic velocity, thereby eliminating the conventional noise signature associated with supersonic velocities. Thereafter, the propellant gases are slowly released from the cartridge case via perforations formed within the piston, grooves formed in the periphery of the piston, or via a gap between the piston and cartridge wall, thereby reducing or eliminating the conventional muzzle blast.
    • 提供了一种缩小的签名武器弹药筒,当它发射时,几乎不产生枪口爆炸或噪音特征。 特别地,本发明的缩小签名武器匣包括设置在匣内的可移动活塞,该可移动活塞设置在高压腔和射弹之间。 当发射时,推进剂气体迅速迫使活塞在弹壳内向前运动,从而以亚音速发射弹丸,从而消除了与超音速相关的传统噪音特征。 此后,推进剂气体通过形成在活塞内的穿孔,形成在活塞周边的凹槽或者通过活塞与夹头壁之间的间隙缓慢地从盒壳体释放,由此减少或消除传统的枪口爆炸。
    • 3. 发明申请
    • REDUCED FIRING SIGNATURE WEAPON CARTRIDGE
    • 减少闪电签名武器盒
    • WO2009048664A3
    • 2009-07-16
    • PCT/US2008070594
    • 2008-07-21
    • DINDL FRANK JJONES KENNETH R
    • DINDL FRANK JJONES KENNETH R
    • F42B5/045F42B5/02F42B5/067F42B5/26
    • F42B29/00F42B5/02
    • A reduced signature weapon cartridge is provided which, when fired, produces little or no muzzle blast or noise signature. In particular, a reduced signature weapon cartridge of the present invention comprises a movable piston disposed within the cartridge, disposed in between the high pressure chamber and the projectile. When fired, propellant gases rapidly force the piston forward within the cartridge case, thereby launching the projectile at a subsonic velocity, thereby eliminating the conventional noise signature associated with supersonic velocities. Thereafter, the propellant gases are slowly released from the cartridge case via perforations formed within the piston, grooves formed in the periphery of the piston, or via a gap between the piston and cartridge wall, thereby reducing or eliminating the conventional muzzle blast.
    • 提供了一种减少的签名武器盒,当被发射时,产生很少或没有枪口爆炸或噪声特征。 特别地,本发明的减少的签名武器盒包括设置在盒内的可移动活塞,设置在高压室和抛射体之间。 当燃烧时,推进剂气体在筒壳内快速迫使活塞向前,从而以亚音速发射抛射体,从而消除与超音速相关联的常规噪声特征。 此后,推进剂气体通过形成在活塞内的穿孔,形成在活塞周边的凹槽,或经由活塞和筒壁之间的间隙从盒壳缓慢释放,从而减少或消除常规的枪口爆炸。