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1. 发明授权

US5549046A Plasma generator for electrothermal gun cartridge 失效
标题翻译：电热枪等离子发生器
公开(公告)号：US5549046A
公开(公告)日：1996-08-27
申请号：US238433
申请日：1994-05-05
申请人： Melvin M. Widner , Michael Raleigh , Yeshayahu S. A. Goldstein , Joseph R. Greig
发明人： Melvin M. Widner , Michael Raleigh , Yeshayahu S. A. Goldstein , Joseph R. Greig
IPC分类号： F42B5/08 , F42B6/00
CPC分类号： F42B5/08 , F42B6/006
摘要： A plasma generator (44) for an electrothermal gun cartridge has elongated metallic rod and tube members (58,60) extending along a central axis thereof with the tube member (58) having at least one axial gap (62) and with an elongated annular insulator located between and in engagement with both metallic members to provide support therebetween as an electrical voltage generates an electrical arc at the axial gap to provide a plasma that ignites a propellant (46). Different embodiments of the plasma generator have a plurality of the axial gaps (62) located along the tube member (60) and are constructed for both simultaneous and sequential firing with fuses (74) controlling the timing. Helically extending member portions (78) provide rotation of the electrical arc and hence the plasma generated to distribute it for ignition of the propellent (46).
摘要翻译：一种用于电热枪筒的等离子体发生器（44）具有沿着其中心轴线延伸的细长金属杆和管件（58,60），管件（58）具有至少一个轴向间隙（62），并具有细长环形绝缘子位于两个金属构件之间并且与两个金属构件接合以在它们之间提供支撑，因为电压在轴向间隙处产生电弧以提供点燃推进剂（46）的等离子体。等离子体发生器的不同实施例具有沿着管构件（60）定位的多个轴向间隙（62），并且被构造成用于控制时序的熔丝（74）的同步和顺序点火。螺旋延伸构件部分（78）提供电弧的旋转，并因此提供产生的等离子体，以分配它以点燃推进器（46）。

2. 发明授权

US5072647A High-pressure having plasma flow transverse to plasma discharge particularly for projectile acceleration 失效
标题翻译：具有横向于等离子体放电的等离子体流的高压，特别是用于射弹加速
公开(公告)号：US5072647A
公开(公告)日：1991-12-17
申请号：US308581
申请日：1989-02-10
申请人： Yeshayahu S. A. Goldstein , Derek A. Tidman , Dennis W. Massey , Joseph R. Greig
发明人： Yeshayahu S. A. Goldstein , Derek A. Tidman , Dennis W. Massey , Joseph R. Greig
IPC分类号： F41B6/00
CPC分类号： F42C19/0811 , F41B6/00
摘要： A projectile is accelerated through a gun barrel in response to high pressure gas applied to the rear of the projectile in response to a high pressure plasma discharge. Plasma from the discharge flows transversely of the discharge into a chamber through multiple openings in a passage wall that confines the discharge. The high pressure, high temperature plasma flowing into the chamber causes an exothermic reaction of water and metal particles in a slurry in the chamber to produce high pressure hydrogen gas that flows longitudinally of the discharge against the rear of the projectile. To maintain the pressure of hydrogen gas acting against the projectile relatively constant as the projectile is accelerated down the barrel, electric power applied to the discharge increases substantially linearly as a function of time.
摘要翻译：响应于高压等离子体放电，应用于喷射器后部的高压气体，炮弹通过枪管加速。来自排出口的等离子体通过限制放电的通道壁中的多个开口横向排出到室内。流入室内的高压，高温等离子体引起水和金属颗粒在室内的浆料中的放热反应，产生高压氢气，该氢气沿放电纵向流过射弹的后部。为了保持喷射器在炮弹的加速下相对恒定的氢气的压力，施加到放电的电力作为时间的函数基本上线性地增加。

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