[특허]Low voltage device for the generation of plasma discharge to operate a supersonic or hypersonic apparatus

Institut Franco-Allemand de Recherches de Saint-Louis

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Low voltage device for the generation of plasma discharge to operate a supersonic or hypersonic apparatus

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-023/00
미국특허분류(USC)	244/003.1; 060/203.1; 102/501
출원번호	UP-0525169 (2006-09-22)
등록번호	US-7645969 (2010-02-22)
우선권정보	FR-05 09831(2005-09-27)
발명자 / 주소	Gnemmi, Patrick Rey, Christian
출원인 / 주소	Institut Franco-Allemand de Recherches de Saint-Louis
대리인 / 주소	Oliff & Berridge, PLC.
인용정보	피인용 횟수 : 3 인용 특허 : 5

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A method, device, and projectile having a device for guiding or piloting projectiles or missiles (self-propelled or non-self-propelled), to deflect, in a direction Y, a hypervelocity projectile operating in a gas, such as a shell, a bullet, or a missile, having a nose, generally in the shape of a cone, with a more or less pointed tip, by generating a first high-voltage discharge able to produce a plasma over a first limited sector of the projectile surface and in direction Y, maintaining the plasma, and generating another low-voltage discharge able to su...

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The invention claimed is: 1. A method for deflecting, in a direction Y perpendicular to a lengthwise axis of a projectile, a hypervelocity projectile operating in a gas having a generally cone-shaped nose with a substantially pointed tip, comprising: generating a first high-voltage discharge able to produce a plasma over a first limited sector of a surface of the projectile and in the direction Y; maintaining the plasma; and generating a low-voltage discharge to supply the plasma with energy over a second limited sector of the surface of the projectile and in the direction Y, wherein the first and second sectors have non-overlapping area. 2. The method according to claim 1, wherein the plasma is maintained over the second sector for at least one millisecond. 3. The method according to claim 1, comprising: applying at least a first voltage discharge T1 between a first set of at least two electrodes delimiting the first limited sector of the projectile surface in the direction Y, wherein the first voltage discharge T1 is able to break through a dielectric barrier between the first set of at least two electrodes; applying a voltage T3 between the first set of at least two electrodes able to generate a plasma; and applying a voltage T2 between a second set of at least two electrodes delimiting the second limited sector of the projectile surface in the direction Y, the voltage T2 being able to supply the plasma with energy. 4. The method according to claim 3, wherein the voltage T2 is generated over a sector further from the end of the nose of the projectile than the first sector. 5. The method according to claim 4, wherein the first voltage discharge T1 is a high-voltage discharge. 6. The method according to claim 4, wherein the voltage T2, applied between the second set of at least two electrodes delimiting the second limited sector and able to maintain the plasma, is a low voltage. 7. The method according to claim 3, wherein the voltage T3, applied between the first set of at least two electrodes and able to generate the plasma, is a low voltage. 8. The method according to claim 1, wherein the first high-voltage discharge is at least 5 kV and the low-voltage discharge is less than 1000 V. 9. The method according to claim 1, wherein the high-voltage discharge is followed by a plurality of successive low-voltage discharges. 10. The method according to claim 1, further comprising: generating a plasma over the first limited sector of the nose of the projectile and maintaining the plasma on the second limited sector of the projectile nose. 11. A hypervelocity projectile having a generally cone-shaped nose, having a substantially pointed tip and a discharge means able to emit a plasma discharge in a limited sector of the outer surface of the projectile, wherein the discharge means comprises at least one group of at least three electrodes. 12. The projectile according to claim 11, wherein the discharge means comprises at least one group of at least three aligned electrodes. 13. The projectile according to claim 12, wherein the discharge means comprises at least one group of at least three electrodes aligned in a direction M parallel to the straight-line movement of the projectile. 14. The projectile according to claim 12, further comprising: a first means able to ignite a plasma; and a second means able to supply the plasma with energy. 15. The projectile according to claim 14, further comprising at least a first and a second electrode that are connected to a first voltage generating means able to generate a high voltage. 16. The projectile according to claim 15, wherein the first voltage generating means comprises a low-voltage generator and at least one low-voltage capacitor. 17. The projectile according to claim 14, further comprising at least two electrodes connected to a second voltage generating means able to generate a low voltage. 18. The projectile according to claim 17, wherein the second voltage generating means comprises a low-voltage generator and at least one low-voltage capacitor. 19. The projectile according to claim 17, wherein at least one of a first and a second electrode connected to a first voltage generating means, able to generate a high voltage, is closer to the end of the nose of the projectile than the electrodes connected to the second voltage generating means. 20. The projectile according to claim 19, wherein one of the electrodes is common to the first and second means for generating a voltage. 21. The projectile according to claim 11, wherein the electrodes are positioned on the surface of the projectile based on a particular application assigned to the projectile. 22. A hypervelocity projectile having a generally cone-shaped nose and a substantially pointed tip, comprising: a device for guiding the hypervelocity projectile having a means to emit a plasma discharge in a limited sector of a projectile outer surface, wherein the emitting means comprises at least one group of at least three electrodes.

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Low voltage device for the generation of plasma discharge to operate a supersonic or hypersonic apparatus

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Low voltage device for the generation of plasma discharge to operate a supersonic or hypersonic apparatus

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