[특허]Steerable projectile charging system

Honeywell International Inc.

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Steerable projectile charging system

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F41G-007/00
미국특허분류(USC)	244/003.22;
출원번호	US-0603725 (2009-10-22)
등록번호	US-8362408 (2013-01-29)
발명자 / 주소	Carlson, Robert J.
출원인 / 주소	Honeywell International Inc.
인용정보	피인용 횟수 : 3 인용 특허 : 26

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A steerable projectile comprises a pressure chamber to hold gas in a pressurized state; and a body section coupled to the pressure chamber, the body section having a flight system to use the pressurized gas for adjusting a trajectory of the projectile. The pressure chamber comprises an orifice in a wall of the pressure chamber; and a check valve corresponding to the orifice, the check valve configured to allow gas that results from ignition of a propellant to enter the pressure chamber via the corresponding orifice and to prevent the gas, once inside the...

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1. A steerable projectile that uses pressurized gas for guidance during flight, the steerable projectile comprising: a pressure chamber to hold the pressurized gas; anda body section coupled to the pressure chamber, the body section having a flight system to use the pressurized gas for adjusting a trajectory of the steerable projectile; wherein the pressure chamber comprises: an orifice in a wall of the pressure chamber; anda check valve communicating with the orifice, the check valve configured to allow the pressurized gas that results from ignition of a propellant to enter the pressure chamber via the orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the orifice, whereby external pressure produced by ignition of the propellant moves the check valve to open the orifice permitting entry of the pressurized gas into the pressure chamber and the orifice is closed in response to pressure from a portion of the check valve, wherein a lower pressure limit in the pressure chamber is controlled by the check valve and an upper pressure limit is at least partially controlled by a diameter of the orifice. 2. The steerable projectile of claim 1 wherein the steerable projectile is one of a bullet and an artillery shell. 3. The steerable projectile of claim 1, wherein the check valve comprises: a spring having a spring constant; anda cover coupled to the spring, the cover being configured to close the orifice in response to pressure from the spring to prevent the pressurized gas from exiting the pressure chamber. 4. The steerable projectile of claim 1, wherein the check valve comprises a first check valve and the orifice comprises a first orifice, wherein the steerable projectile further comprises: a second orifice in the wall of the pressure chamber, the second and first orifices disposed symmetrically about a center axis of the steerable projectile; anda second check valve communicating with the second orifice, the second check valve configured to allow the pressurized gas that results from ignition of the propellant to enter the pressure chamber via the second orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the second orifice. 5. The steerable projectile of claim 1, wherein the check valve comprises a flap and a joint, the joint biased to a position which causes the flap to cover the orifice. 6. The steerable projectile of claim 1, further comprising a filter configured to filter particles contained in the pressurized gas that results from ignition of the propellant. 7. The steerable projectile of claim 6, wherein the filter is disposed in the orifice. 8. A projectile cartridge comprising: a casing having an opening in a first end of the casing;a propellant disposed within the casing;a primer disposed within a second end of the casing, the primer configured to cause the propellant to ignite;a projectile disposed within the opening in the first end of the casing such that ignition of the propellant causes the projectile to be propelled out of the casing, the projectile comprising: a pressure chamber to hold pressurized gas; anda body section coupled to the pressure chamber, the body section having a flight system to use the pressurized gas for adjusting a trajectory of the projectile;wherein the pressure chamber comprises: an orifice in a wall of the pressure chamber; anda check valve communicating with the orifice, the check valve configured to allow the pressurized gas that results from ignition of the propellant to enter the pressure chamber via the orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the orifice, whereby external pressure produced by ignition of the propellant moves the check valve to open the orifice permitting entry of the pressurized gas into the pressure chamber and the orifice is closed in response to pressure from a portion of the check valve, wherein a lower pressure limit in the pressure chamber is controlled by the check valve and an upper pressure limit is at least partially controlled by a diameter of the orifice. 9. The projectile cartridge of claim 8 wherein the projectile is one of a bullet and an artillery shell. 10. The projectile cartridge of claim 8, wherein the check valve comprises: a spring having a spring constant; anda cover coupled to the spring, the cover being configured to close the orifice in response to pressure from the spring to prevent the pressurized gas from exiting the pressure chamber. 11. The projectile cartridge of claim 8, wherein the check valve comprises a first check valve and the orifice comprises a first orifice, wherein the projectile further comprises: a second orifice in the wall of the pressure chamber, the second and first orifices disposed symmetrically about a center axis of the steerable projectile; anda second check valve communicating with the second orifice, the second check valve configured to allow the pressurized gas that results from ignition of the propellant to enter the pressure chamber via the second orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the second orifice. 12. The projectile cartridge of claim 8, wherein the check valve comprises a flap and a joint, the joint biased to a position which causes the flap to cover the orifice. 13. The projectile cartridge of claim 8, wherein the projectile further comprises a filter configured to filter particles contained in the pressurized gas that results from ignition of the propellant. 14. The projectile cartridge of claim 13, wherein the filter is disposed in the orifice. 15. A projectile launching system comprising: a projectile comprising a pressure chamber to hold pressurized gas and a body section coupled to the pressure chamber, the body section having a flight system to use the pressurized gas for adjusting a trajectory of the projectile;a tube having an opening in a first end of the tube, the tube configured to receive the projectile;a propellant to propel the projectile out of the opening in the first end of the tube when the propellant is ignited; anda firing mechanism to cause the propellant to ignite;wherein the pressure chamber of the projectile comprises: an orifice in a wall of the pressure chamber; anda check valve the orifice, the check valve configured to allow the pressurized gas that results from ignition of the propellant to enter the pressure chamber via the orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the orifice, whereby external pressure produced by ignition of the propellant moves the check valve to open the orifice permitting entry of the pressurized gas into the pressure chamber and the orifice is closed in response to pressure from a portion of the check valve, wherein a lower pressure limit in the pressure chamber is controlled by the check valve and an upper pressure limit is at least partially controlled by a diameter of the orifice. 16. The projectile launching system of claim 15, further comprising: a casing having an opening in a first end of the casing, wherein the projectile is disposed within the opening in the first end of the casing and the propellant is disposed within the casing; and a primer disposed within a second end of the casing, the primer responsive to the firing mechanism to cause the propellant to ignite; wherein, when the propellant is ignited, the propellant causes the projectile to be propelled out of the opening in the first end of the casing and out of the tube. 17. The projectile launching system of claim 15, wherein the check valve comprises: a spring having a spring constant; anda cover coupled to the spring, the cover being configured to close the orifice in response to pressure from the spring to prevent the pressurized gas from exiting the pressure chamber. 18. The projectile launching system of claim 15, wherein the check valve comprises a first check valve and the orifice comprises a first orifice, wherein the projectile further comprises: a second orifice in the wall of the pressure chamber, the second and first orifices disposed symmetrically about a center axis of the steerable projectile; anda second check valve communicating with the second orifice, the second check valve configured to allow the pressurized gas that results from ignition of the propellant to enter the pressure chamber via the second orifice and to prevent the pressurized gas, once inside the pressure chamber, from exiting the pressure chamber via the second orifice. 19. The projectile launching system of claim 15, wherein the projectile further comprises a filter configured to filter particles contained in the pressurized gas that results from ignition of the propellant. 20. The projectile launching system of claim 15, wherein the check valve comprises a flap and a joint, the joint biased to a position which causes the flap to cover the orifice.

이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 3

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Steerable projectile charging system

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 3

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Steerable projectile charging system

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 3

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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