[특허]Countermine dart system and method

Lockheed Martin Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Countermine dart system and method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-012/16
미국특허분류(USC)	102/402; 102/489; 089/001.13
출원번호	UP-0151764 (2008-05-08)
등록번호	US-7856928 (2011-02-24)
발명자 / 주소	Paulic, Antonio
출원인 / 주소	Lockheed Martin Corporation
대리인 / 주소	Wurm, Mark A.
인용정보	피인용 횟수 : 5 인용 특허 : 19

초록
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An anti-mine dart includes a body containing an explosive payload and having a flyer-plate port. The dart is operable responsive to the payload being detonated to propel through the flyer-plate port a flyer plate having sufficient energy to detonate an explosive material surrounding the dart. The darts may include a plurality of explosive payloads, flyer-plate ports and flyer plates. The darts may be formed in a stack arrangement within a missile such that the flyer-plate port of each dart is not aligned with the flyer-plate ports of any of the adjacent ...

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What is claimed is: 1. An anti-mine dart, comprising: a body containing an explosive payload and having a flyer-plate port, the dart being operable responsive to the explosive payload being detonated to propel through the flyer-plate port a flyer plate having sufficient energy to detonate an explosive material surrounding the dart, wherein the anti-mine dart further comprises a safe-and-arm mechanism operable in a safe mode to position the flyer plate in a first position where the flyer plate is not positioned adjacent the flyer-plate port, and operable in an armed mode upon impact of the dart to position the flyer plate in a second position where the flyer plate is positioned adjacent the flyer-plate port. 2. The anti-mine dart of claim 1, wherein the flyer plate has sufficient energy to detonate TNT. 3. The anti-mine dart of claim 1, wherein the flyer plate is stainless steel. 4. The anti-mine dart of claim 1, wherein the explosive payload is approximately 0.1 grams of PBXN-5. 5. The anti-mine dart of claim 1, further comprising a plurality of flyer-plate ports and a plurality of explosive payloads, each explosive payload being positioned to propel, when ignited, a flyer plate through a corresponding one of the flyer-plate ports. 6. The anti-mine dart of claim 1, further comprising: a delay column operable to detonate the explosive payload a payload engagement delay time after being activated; and a delay trigger mechanism operable to activate the delay column upon impact of the anti-mine dart with a mine. 7. The anti-mine dart of claim 6, wherein the payload engagement delay time is on the order of microseconds. 8. The anti-mine dart of claim 6, further comprising a delay mandrel around which the delay column is wound to thereby provide a delay column having a length to provide the desired payload engagement delay time. 9. An anti-mine dart, comprising: a housing having a tip end and a tail end and including a flyer-plate port, the housing containing, a detonation mechanism positioned near the tip end of the housing, the detonation mechanism operable responsive to the dart impacting a mine to generate an ignition signal; a delay column wound around a delay mandrel, the delay column having a first end and a second end, the first end being positioned adjacent the detonation mechanism and the first end being ignited responsive to the ignition signal, the delay column operable to ignite the second end a delay time after the first end is ignited; a primary explosive material positioned adjacent the second end of the delay column and being ignited upon ignition of the second end of the delay column after the delay time; a cup-shaped enclosure having a top portion which when separated from the other portions of the enclosure forms a flyer plate, the top portion being aligned with the flyer-plate port during an armed mode of operation of the dart, and the cup-shaped container having an open end opposite the top portion and the cup-shaped enclosure containing a high explosive payload, the high explosive material being positioned adjacent the primary explosive material via the open end and being ignited responsive to the primary explosive material being ignited, and responsive to the ignition of the high explosive material the top portion of the enclosure separating from the other portions of the enclosure to form the flyer plate and the flyer plate being propelled through the flyer-plate port; and wherein the housing is cylindrical and tapered towards the tail end, and wherein the housing further includes fins formed adjacent the tail end. 10. An anti-mine dart, comprising: a housing having a tip end and a tail end and including a flyer-plate port, the housing containing, a detonation mechanism positioned near the tip end of the housing, the detonation mechanism operable responsive to the dart impacting a mine to generate an ignition signal; a delay column wound around a delay mandrel, the delay column having a first end and a second end, the first end being positioned adjacent the detonation mechanism and the first end being ignited responsive to the ignition signal, the delay column operable to ignite the second end a delay time after the first end is ignited; a primary explosive material positioned adjacent the second end of the delay column and being ignited upon ignition of the second end of the delay column after the delay time; a cup-shaped enclosure having a top portion which when separated from the other portions of the enclosure forms a flyer plate, the top portion being aligned with the flyer-plate port during an armed mode of operation of the dart, and the cup-shaped container having an open end opposite the top portion and the cup-shaped enclosure containing a high explosive payload, the high explosive material being positioned adjacent the primary explosive material via the open end and being ignited responsive to the primary explosive material being ignited, and responsive to the ignition of the high explosive material the top portion of the enclosure separating from the other portions of the enclosure to form the flyer plate and the flyer plate being propelled through the flyer-plate port; wherein the housing includes fins formed adjacent the tail end of the housing; and wherein the fins are formed relative to the flyer-plate ports so that when a plurality of darts are arranged in a stack arrangement, the flyer-plate port of each dart in the stack is not aligned with the flyer-plate ports of any of the adjacent darts in the stack arrangement. 11. The anti-mine dart of claim 10, wherein the detonation mechanism comprises a firing pin extending from the tip end of the housing and a primer material positioned adjacent the firing pin, the firing pin operable to move responsive to the dart impacting a mine relative to the primer and to ignite the primer material through the movement. 12. The anti-mine dart of claim 11, wherein the dart further includes a safe-and-arm mechanism, comprising: a tube positioned toward the front end of the housing, wherein during a safe mode of operation the primer material is positioned near a first end of the tube opposite a second end of the tube near where the firing pin is positioned to separate the firing pin from the primer material, and the top portion of the cup-shaped enclosure is positioned spaced apart from the flyer-plate port; and during the armed mode of operation, the primer material moving through the tube to approximately the first end and the top portion of the cup-shaped enclosure moving into alignment with the flyer-plate port. 13. The anti-mine dart of claim 10, wherein the housing further includes at least one additional flyer-plate port; wherein an additional primary explosive material and cup-shaped enclosure are positioned adjacent each additional flyer-plate port; and wherein a detonating cord is positioned between the second end of the delay column and each primary explosive material, the detonating cord being ignited by the delay column and thereafter igniting each of the primary explosive materials. 14. The anti-mine dart of claim 10, wherein the top portion of the cup-shaped enclosure is always positioned aligned with the flyer-plate port. 15. The anti-mine dart of claim 10, wherein the flyer-plate corresponds to a slapper plate. 16. The anti-mine dart of claim 10, wherein the flyer plate corresponds to a shape or shaped charge. 17. A missile comprising a plurality of anti-mine darts, each dart having a body containing an explosive payload and having a flyer-plate port, each dart operable responsive to the payload being detonated to propel a flyer plate having sufficient energy to detonate an explosive material surrounding the dart, and the darts being formed in a stack arrangement within the missile, with the flyer-plate port of each dart in the stack arrangement being such that the flyer-plate port of each dart is not aligned with the flyer-plate ports of any of the adjacent darts in the stack arrangement. 18. The missile of claim 17, wherein each dart further comprises a plurality of flyer-plate ports and a plurality of explosive payloads, each explosive payload being positioned to propel, when ignited, a flyer plate through a corresponding one of the flyer-plate ports. 19. The missile of claim 17, wherein each anti-mine dart further comprises a delay column operable to detonate the explosive payload a payload engagement delay time after being activated.

이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 5

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Countermine dart system and method

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Countermine dart system and method

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