Dispenser for discharging countermeasures and method therefore
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-012/70
F42B-012/02
출원번호
US-0476758
(2002-05-03)
등록번호
US-7373886
(2008-05-20)
우선권정보
SE-0101581(2001-05-07); SE-0200597(2002-02-27)
국제출원번호
PCT/SE02/000851
(2002-05-03)
§371/§102 date
20040519
(20040519)
국제공개번호
WO02/093102
(2002-11-21)
발명자
/ 주소
Z��tterqvist,Christer
Friede,Johan
출원인 / 주소
SAAB AB
대리인 / 주소
Venable LLP
인용정보
피인용 횟수 :
9인용 특허 :
17
초록▼
A method and an arrangement for discharging countermeasures from a carrier craft in the form of an aircraft or equivalent. The countermeasures are intended to be spread initially in the form of unit packs that, after they have left the carrier craft, are to screen the same from missiles approaching
A method and an arrangement for discharging countermeasures from a carrier craft in the form of an aircraft or equivalent. The countermeasures are intended to be spread initially in the form of unit packs that, after they have left the carrier craft, are to screen the same from missiles approaching is guided by built-in sensors, or other threats. It is especially characteristic of the invention that the unit countermeasure packs are spread from the carrier transversely to the lying direction of the carrier craft.
대표청구항▼
The invention claimed is: 1. A method for discharging countermeasures arranged in unit countermeasure packs arranged in a plurality of magazines arranged in a plurality of secondary carriers arranged on a carrier craft moving in a flying direction, the method comprising: mechanically spreading the
The invention claimed is: 1. A method for discharging countermeasures arranged in unit countermeasure packs arranged in a plurality of magazines arranged in a plurality of secondary carriers arranged on a carrier craft moving in a flying direction, the method comprising: mechanically spreading the unit countermeasure packs from the secondary carriers through discharging locations including laterally facing openings, thereby giving the unit countermeasure packs spreading directions transverse to the flying direction of the carrier craft, wherein the unit countermeasure packs are discharged from a plurality of the discharging locations by a single rotating spreader element that successively passes the plurality of discharging locations, and wherein the countermeasures leave the unit countermeasure packs after the unit countermeasure packs have been discharged from the secondary carriers and screen the carrier craft or form a decoy to deceive or confuse a threat aimed at the carrier craft. 2. The method according to claim 1, wherein the secondary carriers comprise load capsules. 3. The method according to claim 1, wherein the carrier craft comprises an aircraft. 4. The method according to claim 1, wherein the countermeasures comprise radar chaff. 5. The method according to claim 4, wherein the radar chaff comprises aluminized foil, aluminized fibers, hot IR chaff, laser-reflecting fibers or laser-reflecting foils. 6. The method according to claim 1, wherein the unit countermeasure packs are successively radially spread with respect to a common axis from the discharging locations. 7. The method according to claim 6, wherein the spreading directions of the magazines are arranged about the secondary carrier such that they cover at least most of the way around the secondary carrier. 8. The method according to claim 1, wherein a plurality of the discharging locations are arranged in a plane transverse to the flying direction of the carrier craft. 9. The method according to claim 1, wherein the plurality of the discharging locations are arranged in a plane transverse to the flying direction of the carrier craft. 10. The method according to claim 1, wherein the rotating spreader element imparts to the unit countermeasure packs a speed necessary for discharge. 11. An arrangement for discharging countermeasures arranged in unit countermeasure packs on a carrier craft moving in a main flying direction, the arrangement comprising: a plurality of magazines configured to receive the unit countermeasure packs, each magazine including a discharge opening; and a secondary carrier arranged on the carrier craft and configured to receive the magazines, wherein the magazines are arranged around a central axis of the secondary carrier, the secondary carrier comprising a plurality of discharging locations including openings facing lateral to the main flying direction, the discharging locations configured to discharge the unit countermeasure packs from the magazines in spreading directions transverse to the main flying direction of the carrier craft, such that the countermeasures leave the unit countermeasure packs after the unit countermeasure packs have been discharged from the discharging locations and screen the carrier craft or form a decoy to deceive or confuse a threat aimed at the carrier craft; and a rotating discharger configured to rotate about the central axis such that the rotating discharger successively passes the discharging location of each magazine, thereby imparting to the unit countermeasure packs a necessary discharging speed in a discharging direction for each magazine. 12. The arrangement according to claim 11, wherein the magazines are arranged side by side in the secondary carrier. 13. The arrangement according to claim 11, wherein each magazine discharges unit countermeasure packs from one of the discharge locations. 14. The arrangement according to claim 11, wherein the discharging locations are arranged in a plane. 15. The arrangement according to claim 14, wherein the plane is arranged transverse to the main flying direction of the carrier craft. 16. The arrangement according to claim 11, wherein the secondary carrier comprises a load capsule. 17. The arrangement according to claim 11, wherein the carrier craft comprises an aircraft. 18. The arrangement according to claim 11, wherein the discharging locations are arranged about the secondary carrier such that they cover at least most of the way around the secondary carrier. 19. The arrangement according to claim 11, wherein the rotating discharger comprises a single-bladed or multi-bladed plane propeller including a front edge curved in a direction of rotation, wherein the curved front edge is configured such that as the curved front edge rotates past the discharging location of each magazine the curved front edge strikes a respective unit countermeasure pack with a lever that continuously increases in length during at least a part of the discharge, thereby progressively moving the respective unit countermeasure pack in the discharging direction until the unit countermeasure pack has left the discharging location. 20. The arrangement according to claim 11, wherein unit countermeasure packs have a curved contact surface facing the rotating discharger. 21. The arrangement according to claim 11, wherein the magazines and the rotating discharger are arranged such that the discharge takes place in at least one place along a long side of the secondary carrier, wherein the magazines are arranged in a longitudinal direction of the secondary carrier such that feeding of new unit countermeasure packs from the magazines to the discharging location takes place in or towards the flying direction of the carrier craft. 22. The arrangement according to claim 11, further comprising: wind deflectors arranged on a wind side of each discharging opening, wherein the wind deflectors prevent the unit countermeasure packs from being broken before the unit countermeasure packs completely exit the discharging openings. 23. The arrangement according to claim 11, further comprising: angled swirl plates arranged on an outside of the secondary carrier in the vicinity of the discharging openings, wherein the swirl plates facilitate spreading of the countermeasures. 24. The arrangement according to claim 11, wherein the countermeasures comprise radar chaff. 25. The arrangement according to claim 24, wherein the radar chaff comprises aluminized foil, aluminized fibers, hot IR chaff, laser-reflecting fibers or laser-reflecting foils. 26. The arrangement according to claim 11, wherein the discharging openings are arranged in the vicinity of a front of the secondary carrier.
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