IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0093220
(2006-09-14)
|
등록번호 |
US-8097838
(2012-01-17)
|
우선권정보 |
SE-0502509 (2005-11-15) |
국제출원번호 |
PCT/SE2006/001047
(2006-09-14)
|
§371/§102 date |
20081110
(20081110)
|
국제공개번호 |
WO2007/058573
(2007-05-24)
|
발명자
/ 주소 |
- Rönn, Torsten
- Pettersson, Thomas
- Heiche, Ulf
|
출원인 / 주소 |
|
대리인 / 주소 |
Connolly Bowe Lodge & Hutz LLP
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
11 |
초록
▼
The invention relates to a method for increasing the range of shells (1, 8, 13) charged with an explosive substance and other types of shell, which function as carriers of the one or other type of active payload. The method according to the invention thus provides an opportunity for increasing the r
The invention relates to a method for increasing the range of shells (1, 8, 13) charged with an explosive substance and other types of shell, which function as carriers of the one or other type of active payload. The method according to the invention thus provides an opportunity for increasing the range of fire of most types of artillery piece by increasing the muzzle velocity and the gliding flight capability of shells or projectiles fired from them, but without the need to increase the energy content in the propellant charges utilized for firing the shells or the projectiles concerned. The novelty proposed in accordance with the invention instead represents a radical modification to the design of the shell (1, 8, 13) utilized in conjunction therewith. The invention also relates to a shell charged with an explosive substance or provided with some other active payload which has been given a long range.
대표청구항
▼
1. A method for increasing the range of shells charged with an explosive substance or provided with some other active payload, wherein the shells are subcalibre and comprise fixed rear guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the
1. A method for increasing the range of shells charged with an explosive substance or provided with some other active payload, wherein the shells are subcalibre and comprise fixed rear guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the respective shell case and the inside of a barrel in an artillery piece utilized for firing the shell and further comprising fixed front steerable canard fins, and wherein the rear and front fins together provide the shell with certain aerodynamic bearing surfaces primarily during the terminal part of its trajectory, and wherein the method comprises firing the subcalibre shells from the respective artillery piece with the help of propulsion mirrors adapted for the purpose of the firing. 2. The method according to claim 1, wherein the range of the shells is further increased by providing the shells with fixed or folding carrier wings extending to either side of the shells in at least one and the same longitudinal section plane arranged in the longitudinal direction of the shells, the radial extent or span of which does not exceed the available space between the outside of the case of the shell and the inside of the barrel in the artillery piece utilized for firing the shells, and wherein the carrier wings impart certain gliding flight characteristics to the shells, at least at the end of their trajectory. 3. The method according to claim 2, wherein the stable flight which the carrier wings impart to the shells is utilized to give the best possible effect of a stealth configuration of the outsides of the shells, comprising a plurality of inclined facetted surfaces which reflect away any incoming radar waves. 4. The method according to claim 1, wherein the gliding flight characteristics of the shells at the end of the trajectory of the shells are improved and the range of the shells is further increased by means of a base flow device or a rocket-booster that is ignited during the optimal part of the trajectory. 5. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 1, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins. 6. The shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted according to claim 5, wherein the shell further comprises fixed or folding carrier wings extending to either side of the shell in at least one and the same longitudinal section plane arranged in the longitudinal direction of the shell, the radial extent or span of the carrier wings does not exceed the available space between the outside of the case of the shell and the inside of the barrel in the artillery piece utilized for firing the shell, and wherein the carrier wings impart certain gliding flight characteristics to the shell, at least at the end of the trajectory of the shell. 7. The shell charged with an explosive substance or provided with some other active payload according to claim 5, wherein the shell comprises a rear-mounted, base flow device or a rocket-booster which, by being ignited at the end of the trajectory of the shell, can improve the gliding flight characteristics of the shell. 8. The shell charged with an explosive substance or provided with some other active payload according to claim 5, wherein the outer configuration of the shell is embodied in accordance with previously disclosed stealth technology in order, as far as possible, to restrict the opportunities for detecting the flight of the shell with the help of radar. 9. The method according to claim 2, wherein the gliding flight characteristics of the shells at the end of the trajectory of the shells are improved and the range of the shells is further increased by means of a base flow device or a rocket-booster that is ignited during the optimal part of the trajectory. 10. The method according to claim 3, wherein the gliding flight characteristics of the shells at the end of the trajectory of the shells are improved and the range of the shells is further increased by means of a base flow device or a rocket-booster that is ignited during the optimal part of the trajectory. 11. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 2, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins. 12. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 3, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins. 13. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 4, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins. 14. A shell charged with an explosive substance or provided with some other active payload according to claim 6, wherein the shell comprises a rear-mounted, base flow device or a rocket-booster which, by being ignited at the end of the trajectory of the shell, can improve the gliding flight characteristics of the shell. 15. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 9, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins. 16. A shell charged with an explosive substance or provided with some other active payload, to which a long range has been imparted in accordance with the method according to claim 10, wherein the shell is subcalibre relative to the barrel from which the shell is intended to be fired, comprises fixed rear-mounted guide fins, the radial extent or span of the fixed rear guide fins does not exceed the available space between the outside of the case of the shell and the inside of the barrel and further comprising front fixed moving canard fins.
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