Expendable sonobuoy flight kit with aerodynamically assisted sonobuoy separation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-017/00
출원번호
US-0848131
(2004-05-19)
등록번호
US-7262395
(2007-08-28)
발명자
/ 주소
Bilyk,Derek
Zdunich,Patrick
MacMaster,Marc
출원인 / 주소
Bilyk,Derek
Zdunich,Patrick
MacMaster,Marc
대리인 / 주소
Katten Muchin Rosenman LLP
인용정보
피인용 횟수 :
13인용 특허 :
5
초록▼
A flight kit that can be retrofitted to existing navy sonobuoys. The preferred embodiment gives sonobuoys the capability of self-deployment, allowing them to be sent to a location remotely without the use of manned aircraft or recoverable unmanned air vehicles. This capability is advantageous in ins
A flight kit that can be retrofitted to existing navy sonobuoys. The preferred embodiment gives sonobuoys the capability of self-deployment, allowing them to be sent to a location remotely without the use of manned aircraft or recoverable unmanned air vehicles. This capability is advantageous in instances where it is desired to place a sonobuoy in an area hostile or hazardous to manned aircraft. The preferred embodiment is an attachment of a GPS navigation and control system, wings, control surfaces, and a propulsion system, onto a naval size-A sonobuoy, using the sonobuoy as the central structural load-bearing component of the assembly. The invention navigates from a launch point on a ship to a designated position, where the sonobuoy separates from the invention, using the wings' aerodynamic forces to mechanically assist in separating the sonobuoy from the flight kit. The sonobuoy and the flight kit enter the water separately to ensure no interference with the sonobuoy.
대표청구항▼
The invention claimed is: 1. An expendable flight kit attachable to a sonobuoy for making use of said sonobuoy as a central structural load-bearing component of a flying assembly, the kit comprising connecting structure configured to connect the flying assembly to the sonobuoy such that the sonobuo
The invention claimed is: 1. An expendable flight kit attachable to a sonobuoy for making use of said sonobuoy as a central structural load-bearing component of a flying assembly, the kit comprising connecting structure configured to connect the flying assembly to the sonobuoy such that the sonobuoy is the central load-bearing component of the flying assembly; rigid aerodynamic flight surfaces configured to provide lift and stability to the flying assembly; a flight propulsion system; a plurality of flight control surfaces; a plurality of control surface actuators operable for moving the flight control surfaces in response to control signals; and a flight control system including (i) a GPS receiver and (ii) attitude and airspeed sensors, the flight control system being operable for receiving mission parameters including deployment co-ordinates, the flight control system being operable for autonomously navigating and steering the vehicle in flight using information from the GPS receiver and the attitude and airspeed sensors, the fight control system being operable for sending control signals to control the control surface actuators, the flying assembly operable to be launched from a ship; the flight control system being operable for separating the sonobuoy from the flight kit while in flight, the flight control system causing (i) said connecting structure to open such that the sonobuoy is removed from said flight kit, and (ii) two of said rigid aerodynamic flight surfaces to move toward each other about an axis therebetween, wherein after separation of the sonobuoy from the flight kit, both the sonobuoy and the flight kit are configured to fall into the water. 2. The flight kit recited in claim 1, wherein the propulsion system includes an electric motor and an onboard source of electrical power. 3. The flight kit recited in claim 2, wherein the onboard source of electrical power includes a battery. 4. The flight kit recited in claim 1, wherein the propulsion system includes a propeller. 5. The flight kit recited in claim 1, wherein the flight control system includes a magnetometer or magnetic compass for determining magnetic heading. 6. The flight kit recited in claim 1, wherein the flight control system includes an inertial navigation system. 7. The flight kit recited in claim 1, wherein the sonobuoy comprises an unmodified naval A-size sonobuoy. 8. The flight kit recited in claim 1, wherein the sonobuoy comprises a standard naval sonobuoy other than an unmodified naval A-size sonobuoy. 9. The flight kit recited in claim 1, wherein the sonobuoy comprises a modified sonobuoy or custom sonobuoy. 10. The flight kit recited in claim 1, wherein the sonobuoy includes a radio relay. 11. The flight kit recited in claim 10, wherein the radio relay is capable of re-transmitting signals from one or more sonobuoys that are in the water to a receiving site that is over-the-horizon from the sonobuoys. 12. The flight kit recited in claim 10, wherein the sonobuoy contains a chemical sensor or a biological agent sensor. 13. The flight kit recited in claim 1, further comprising a triggering mechanism operable under the action of aerodynamic lift loads on the wings to release the sonobuoy from the flight kit. 14. The flight kit recited in claim 1, further comprising a pre-loaded spring mechanism for separating the sonobuoy from the flight kit. 15. The flight kit recited in claim 1, further comprising an active mechanism controlled by the flight control system for causing separation of the sonobuoy from the flight kit. 16. An expendable flight kit, which attaches to a naval sonobuoy to form a flying assembly, comprising: connecting structure configured to connect the naval sonobuoy to the flying kit such that the sonobuoy is the central load-bearing component of the flying assembly, said connecting structure including clamps; rigid aerodynamic surfaces configured to provide lift and stability to the flying assembly; flight propulsion structure that includes an electric motor, a battery, and a propeller; a plurality of flight control surfaces; a plurality of control actuators capable of moving said control surfaces in response to control signals, said control actuators comprising servomotors; a flight control system capable of (i) receiving mission parameters, including sonobuoy deployment coordinates, through a wireless link, (ii) autonomously navigating and steering the flying assembly in flight, (iii) sending control signals to said control surfaces actuators, and (iv) causing said clamps to open to release the sonobuoy from the flight kit while moving said rigid aerodynamic surfaces toward each other; and said flying assembly being operable to be launched from a ship.
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