Weapon interceptor projectile with deployable frame and net
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F41H-011/00
F41H-013/00
출원번호
US-0189294
(2008-08-11)
등록번호
US-8387507
(2013-03-05)
발명자
/ 주소
Johnson, Michael R.
Hall, Garrett L.
출원인 / 주소
Raytheon Company
인용정보
피인용 횟수 :
2인용 특허 :
15
초록▼
A weapon interceptor projectile has a deployable frame for maintaining a deployable net in shape. The deployable frame may be an inflatable structure, including a flexible material inflated by a gas generator. The inflatable structure has a perimeter that supports an outside shape of the net, and a
A weapon interceptor projectile has a deployable frame for maintaining a deployable net in shape. The deployable frame may be an inflatable structure, including a flexible material inflated by a gas generator. The inflatable structure has a perimeter that supports an outside shape of the net, and a series of spokes or arms that couple the perimeter to a body of the projectile. The perimeter may have an airfoil cross-section shape, reducing drag of the frame and aiding in deployment. The perimeter may be have a circular shape, giving the net a circular area. The deployable frame allows the net to maintain its shape during flight, increasing its area and its ability to come into contact with an incoming weapon, such as a rocket propelled grenade (RPG).
대표청구항▼
1. A weapon interceptor projectile comprising: a body;a deployable net inside the body; anda deployable frame attached to the net;wherein the net and the frame are configured to deploy such that the frame maintains the net in a shape; andwherein, prior to deployment, the net is located in a central
1. A weapon interceptor projectile comprising: a body;a deployable net inside the body; anda deployable frame attached to the net;wherein the net and the frame are configured to deploy such that the frame maintains the net in a shape; andwherein, prior to deployment, the net is located in a central distribution plenum of the body that is at a radial center of the body, with a longitudinal axis of the body passing through the central distribution plenum. 2. The weapon interceptor projectile of claim 1, wherein the frame is an inflatable frame that deploys by inflation. 3. The weapon interceptor projectile of claim 2, further comprising a gas generator in the body, wherein the gas generator generates pressurized gas for inflating the inflatable frame. 4. The weapon interceptor projectile of claim 3, further comprising an electrical igniter that is operatively coupled to the gas generator to ignite the gas generator. 5. The weapon interceptor projectile of claim 3, wherein the gas generator includes NaN3, KNO3 and SiO2. 6. The weapon interceptor projectile of claim 1, wherein the frame is attached to the body, even after deployment of the frame and the net. 7. The weapon interceptor projectile of claim 6, wherein the frame includes a nacelle around a perimeter of the frame, and arms attached to both the nacelle and the body. 8. The weapon interceptor projectile of claim 7, wherein the net is attached to the nacelle. 9. The weapon interceptor projectile of claim 1, wherein the frame is circular. 10. The weapon interceptor projectile of claim 1, further comprising a cylindrical frangible casing that initially surrounds the frame, the net, and the central distribution plenum of the body; wherein the frangible case breaks as the frame deploys. 11. The weapon interceptor projectile of claim 10, wherein the deployable frame is folded in a passage that is surrounded by the frangible casing. 12. The weapon interceptor projectile of claim 1, further comprising a propulsion module coupled to the body;wherein the propulsion module includes side thrust motors for changing flight direction of the interceptor projectile. 13. A weapon interceptor projectile comprising: a body; a deployable net inside the body; and a deployable frame attached to the net;wherein the net and the frame are configured to deploy such that the frame maintains the net in a shape; wherein the frame is directly attached to the body, even after the deployment of the frame and the net; wherein the frame includes a nacelle around a perimeter of the frame, and arms attached to both the nacelle and the body; and whereinthe nacelle has an airfoil shape that creates lift in a direction away from the body, to aid in deployment of the frame. 14. The weapon interceptor projectile of claim 13, wherein the net is attached is to the nacelle substantially at a center of lift of the nacelle. 15. A method of intercepting an incoming projectile, the method comprising: deploying a frame and a net of an interceptor projectile, wherein the net is attached to the frame such that the frame, when deployed, maintains a fixed shape; and after the deploying, intercepting the incoming projectile with the net; wherein the deploying includes a perimeter of the frame generating lift in radial directions away from a body of the interceptor projectile; wherein the deploying includes the frame directly attached to the body, even after deployment of the frame and net. 16. The method of claim 15, wherein the deploying includes maintaining attachment between the frame and a body of the interceptor projectile. 17. The method of claim 15, further comprising, prior to the deploying, directing the interceptor projectile toward the incoming projectile using side thrust motors of a propulsion system of the interceptor projectile. 18. The method of claim 15, wherein the deploying includes inflating the frame. 19. The method of claim 15, wherein the perimeter of the frame has an airfoil shape; andwherein the frame includes spokes attached to both the perimeter and the body. 20. The method of claim 19, wherein the net is attached to the perimeter.
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