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1. 发明授权

US6065384A Variable velocity weapon system having selective lethality and methods related thereto 失效
标题翻译：具有选择性杀伤力的变速武器系统及其相关方法
公开(公告)号：US6065384A
公开(公告)日：2000-05-23
申请号：US966897
申请日：1997-11-10
申请人： Jeffrey Michael Widder , Roger Allen Sherman , Steven Vance Medlin
发明人： Jeffrey Michael Widder , Roger Allen Sherman , Steven Vance Medlin
IPC分类号： F41A21/28 , F41A21/46 , F41G1/033 , F42B12/78 , F42B14/06 , F42B30/02 , F41A21/00 , F41A5/00 , F42B14/00
CPC分类号： F42B30/02 , F41A21/28 , F41A21/46 , F41G1/033 , F42B12/78 , F42B14/064
摘要： The present invention relates to weapon systems that accelerate projectiles using gases generated by the rapid combustion of a solid propellant, in particular, such a weapon system is able to vary the barrel exiting velocity of the projectile through a barrel venting means. In one embodiment, a front venting means exhausts gas generated by combusting propellant from behind the accelerating projectile and redirects a portion of the exhausted gas either to at least one fixed volume, to the front of the projectile, or to a combination of at least one fixed volume and to the front of the projectile. Redirecting some of the exhausted gas to the front of the projectile restrains the projectile, thereby slowing the projectile, and thus further decreasing the muzzle velocity of the projectile. In another embodiment, gas from behind the projectile is exhausted into a fixed volume, thereby decreasing projectile acceleration, and thus, the muzzle velocity of the projectile. One can use a combination of fixed volume venting and front venting. A saboted projectile can be used for ammunition. By coupling the energy requirements needed to release the sabot to the barrel exiting velocity of the projectile, one can achieve a selectively lethal projectile. The venting means can be variable as to the velocity and mass of propellant gases exhausted or redirected and can be coupled to an operator selection switch, as well as to an automatic range finding scope.
摘要翻译：本发明涉及使用由固体推进剂的快速燃烧产生的气体来加速弹丸的武器系统，特别地，这样的武器系统能够通过枪管排气装置来改变弹丸的出射速度。在一个实施例中，前排气装置排出通过从加速弹丸后方燃烧推进剂而产生的气体，并将排出的气体的一部分重新定向到至少一个固定体积，到达射弹的前部，或将至少一个固定体积和射弹前面。将一些耗尽的气体重新定向到射弹的前部，限制了射弹，从而减少了射弹，从而进一步降低了射弹的枪口速度。在另一个实施例中，来自弹丸后面的气体被排放到固定的体积中，从而降低了射弹加速度，从而降低了射弹的枪口速度。可以使用固定容积排气和前排气的组合。弹丸弹可用于弹药。通过将所需的能量需求耦合到炮弹出射速度的炮弹，可以实现选择性致命的射弹。排气装置对于排出或重定向的推进剂气体的速度和质量可以变化，并且可以耦合到操作者选择开关以及自动测距范围。

2. 发明授权

US5992291A Variable velocity weapons having selective lethality and methods related thereto 失效
标题翻译：具有选择性杀伤力的变速武器及其相关方法
公开(公告)号：US5992291A
公开(公告)日：1999-11-30
申请号：US189469
申请日：1998-11-10
申请人： Jeffrey Michael Widder , Roger Allen Sherman , Steven Vance Medlin
发明人： Jeffrey Michael Widder , Roger Allen Sherman , Steven Vance Medlin
IPC分类号： F41A21/28 , F41A21/46 , F41G1/033 , F42B12/78 , F42B14/06 , F42B30/02 , F41A21/00 , F42B14/00
CPC分类号： F42B30/02 , F41A21/28 , F41A21/46 , F41G1/033 , F42B12/78 , F42B14/064
摘要： The present invention relates to weapon systems that accelerate projectiles using gases generated by the rapid combustion of a solid propellant, in particular, such a weapon system is able to vary the barrel exiting velocity of the projectile through a barrel venting means. In one embodiment, a front venting means exhausts gas generated by combusting propellant from behind the accelerating projectile and redirects a portion of the exhausted gas either to at least one fixed volume, to the front of the projectile, or to a combination of at least one fixed volume and to the front of the projectile. Redirecting some of the exhausted gas to the front of the projectile restrains the projectile, thereby slowing the projectile, and thus further decreasing the muzzle velocity of the projectile. In another embodiment, gas from behind the projectile is exhausted into a fixed volume, thereby decreasing projectile acceleration, and thus, the muzzle velocity of the projectile. One can use a combination of fixed volume venting and front venting. A saboted projectile can be used for ammunition. By coupling the energy requirements needed to release the sabot to the barrel exiting velocity of the projectile, one can achieve a selectively lethal projectile. The venting means can be variable as to the velocity and mass of propellant gases exhausted or redirected and can be coupled to an operator selection switch, as well as to an automatic range finding scope.
摘要翻译：本发明涉及使用由固体推进剂的快速燃烧产生的气体来加速弹丸的武器系统，特别地，这样的武器系统能够通过枪管排气装置来改变弹丸的出射速度。在一个实施例中，前排气装置排出通过从加速弹丸后方燃烧推进剂而产生的气体，并将排出的气体的一部分重新定向到至少一个固定体积，到达射弹的前部，或将至少一个固定体积和射弹前面。将一些耗尽的气体重新定向到射弹的前部，限制了射弹，从而减少了射弹，从而进一步降低了射弹的枪口速度。在另一个实施例中，来自弹丸后面的气体被排放到固定的体积中，从而降低了射弹加速度，从而降低了射弹的枪口速度。可以使用固定容积排气和前排气的组合。弹丸弹可用于弹药。通过将所需的能量需求耦合到炮弹出射速度的炮弹，可以实现选择性致命的射弹。排气装置对于排出或重定向的推进剂气体的速度和质量可以变化，并且可以耦合到操作者选择开关以及自动测距范围。

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