A system for terminating flight of a balloon having a balloon envelope is provided. The system includes an apparatus attached to the balloon. The apparatus includes a flexible tube that has first and second ends with a hollow tube portion disposed there between and a device attached to the flexible
A system for terminating flight of a balloon having a balloon envelope is provided. The system includes an apparatus attached to the balloon. The apparatus includes a flexible tube that has first and second ends with a hollow tube portion disposed there between and a device attached to the flexible tube. The first end of the tube is sealed around a preconfigured opening in a balloon envelope and the second end is sealed shut. The device includes a main body that has an opening holding an actuating member that has a cavity and a cutting element. The cavity is arranged to hold at least a portion of the flexible tube. When activated, the device causes contact between the actuating member and the cutting element so as to cut open the partial portion of the flexible tube for allowing lift gas to escape the balloon envelope through the hollow tube portion.
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1. An apparatus, comprising: a flexible tube having first and second ends and a hollow tube portion disposed there between, the first end being sealed around a preconfigured opening in a balloon envelope and the second end being sealed shut; anda device attached to the flexible tube, the device comp
1. An apparatus, comprising: a flexible tube having first and second ends and a hollow tube portion disposed there between, the first end being sealed around a preconfigured opening in a balloon envelope and the second end being sealed shut; anda device attached to the flexible tube, the device comprising:a main body having an opening, the opening being arranged to hold a cutting element,an actuating member having a cavity and being disposed within the main body, the cavity being arranged to hold at least a portion of the flexible tube, andwherein the device, when activated, being configured to cause contact between the actuating member and the cutting element so as to cut open the portion of the flexible tube for allowing lift gas to escape from the balloon envelope through the hollow tube portion. 2. The apparatus of claim 1, further comprising reinforcements disposed around the preconfigured opening, the reinforcements for confining the preconfigured opening to an upper portion of the balloon envelope. 3. The apparatus of claim 1, wherein a diameter of the hollow tube portion is arranged for the lift gas to rapidly escape from the preconfigured opening of the balloon envelope when the flexible tube is cut open. 4. The apparatus of claim 1, wherein a diameter of the hollow tube portion is arranged for the lift gas to gradually escape from the preconfigured opening of the balloon envelope when the flexible tube is cut open. 5. The apparatus of claim 1, wherein the device further comprises an end cap having a capsule device coupled to the actuating member, the capsule device, when triggered, to generate a pulse of gas pressure to move the actuating member from a first position to a second position within the main body. 6. The apparatus of claim 5, wherein the main body further comprises a tube in communication with the opening in the main body, the tube being arranged to hold the actuating member away from the cutting element until the capsule device is triggered. 7. The apparatus of claim 6, wherein the pulse of gas pressure causes the actuating member to thrust towards the cutting element with sufficient force to penetrate the flexible tube. 8. The apparatus of claim 7, wherein the pressurized capsule device is configured to cause an exothermic chemical reaction to generate the pulse of gas pressure. 9. The apparatus of claim 8, further comprising a control unit in communication with the device, the control unit to remotely activate the exothermic chemical reaction. 10. An system, comprising: a balloon have a balloon envelope; andan apparatus coupled to the balloon, the apparatus comprising:a flexible tube having first and second ends and a hollow tube portion disposed there between, the first end being sealed around a preconfigured opening in a balloon envelope and the second end being sealed shut; anda device attached to the flexible tube, the device comprising:a main body having an opening, the opening being arranged to hold a cutting element,an actuating member having a cavity and being disposed within the main body, the cavity being arranged to hold at least a portion of the flexible tube, andwherein the device, when activated, being configured to cause contact between the actuating member and the cutting element so as to cut open the portion of the flexible tube for allowing lift gas to escape from the balloon envelope through the hollow tube portion. 11. The system of claim 10, further comprising reinforcements disposed around the preconfigured opening, the reinforcements for confining the preconfigured opening to an upper portion of the balloon envelope. 12. The system of claim 10, wherein a diameter of the hollow tube portion is arranged for the lift gas to rapidly escape from the preconfigured opening of the balloon envelope when the hollow tube portion is cut open. 13. The system of claim 10, wherein a diameter of the hollow tube portion is arranged for the lift gas to gradually escape from the preconfigured opening of the balloon envelope when the flexible tube is cut open. 14. The system of claim 10, wherein the device further comprises an end cap having a capsule device coupled to the actuating member, the capsule device, when triggered, to generate a pulse of gas pressure to move the actuating member from a first position to a second position within the main body. 15. The system of claim 14, wherein the main body further comprises a tube in communication with the opening in the main body, the tube being arranged to hold the actuating member away from the cutting element until the capsule device is triggered. 16. The system of claim 15, wherein the pulse of gas pressure causes the actuating member to thrust towards the cutting element with sufficient force to penetrate the flexible tube. 17. The system of claim 16, wherein the pressurized capsule device is configured to cause an exothermic chemical reaction to generate the pulse of gas pressure. 18. The system of claim 17, further comprising a control unit in communication with the device, the control unit to remotely activate the exothermic chemical reaction. 19. A method, comprising: receiving a signal at an electronic cutting device, the electronic cutting device having a cutting element and an actuating member holding at least a sealed portion of a flexible tube, wherein the flexible tube is attached to a preconfigured opening in a balloon envelope;in response to receiving the signal causing, by activating the electronic cutting device, the actuating member to move towards the cutting element; andcreating an opening in the flexible tube by causing contact between the actuating member and the cutting element so as to cut open the sealed portion of the flexible tube, the opening in the flexible tube being arranged to allow lift gas to escape and the balloon envelope to descend. 20. The method of claim 19, wherein causing contact comprises generating a pulse of gas pressure to thrust the actuating member towards the cutting element with sufficient force to penetrate the flexible tube.
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이 특허에 인용된 특허 (13)
Dietrich, Mark C.; Trepanier, Charles N.; Werch, Timothy R., Aircraft flight termination system and method.
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