IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0042009
(2013-09-30)
|
등록번호 |
US-9139278
(2015-09-22)
|
발명자
/ 주소 |
- Roach, Kevin
- DeVaul, Richard Wayne
- Staaf, Anton Valdemar
|
출원인 / 주소 |
|
대리인 / 주소 |
McDonnell Boehnen Hulbert & Berghoff LLP
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
2 |
초록
▼
The present disclosure provides a method and apparatus for turning an envelope of a balloon into a parachute. The balloon may include a payload, an envelope filled with a lift gas, and a parachute system. The parachute system may include a fuse couple to the envelope. The parachute system may also i
The present disclosure provides a method and apparatus for turning an envelope of a balloon into a parachute. The balloon may include a payload, an envelope filled with a lift gas, and a parachute system. The parachute system may include a fuse couple to the envelope. The parachute system may also include an activation system coupled to the fuse. The activation system may be configured to ignite the fuse. The fuse may be ignitable to melt through at least a portion of the envelope to separate an upper portion of the envelope from a lower portion of the envelope. The upper portion of the envelope may be coupled to the payload such that when separated from the lower portion, the upper portion performs as a parachute for the payload.
대표청구항
▼
1. A balloon comprising: a payload;an envelope filled with a lift gas; anda parachute system, wherein the parachute system comprises: a fuse coupled to the envelope; andan activation system coupled to the fuse, wherein the activation system is configured to ignite the fuse, wherein the fuse is ignit
1. A balloon comprising: a payload;an envelope filled with a lift gas; anda parachute system, wherein the parachute system comprises: a fuse coupled to the envelope; andan activation system coupled to the fuse, wherein the activation system is configured to ignite the fuse, wherein the fuse is ignitable to melt through at least a portion of the envelope to separate an upper portion of the envelope from a lower portion of the envelope, and wherein the upper portion of the envelope is coupled to the payload such that when separated from the lower portion, the upper portion performs as a parachute for the payload. 2. The balloon of claim 1, wherein a bottom surface of the upper portion of the envelope is configured to create drag to slow the descent of the payload and the upper portion. 3. The balloon of claim 1, wherein the fuse forms a path that traverses a circumference of the envelope, such that burning the fuse entirely separates the lower portion of the envelope from the upper portion of the envelope. 4. The balloon of claim 1, wherein the fuse coupled to the envelope comprises: one or more fuses arranged along a substantially longitudinal line from the bottom of the envelope to the equator of the envelope, wherein the ignited fuse creates one or more slots in the lower portion of the envelope configured to release the lift gas from the envelope. 5. The balloon of claim 1, wherein the activation system comprises: a resistance wire coupled to the fuse; anda power source connected to the resistance wire. 6. The balloon of claim 1, wherein the parachute system further comprises a rip panel at an apex of the envelope, wherein the rip panel is configured to create an opening at an apex of the envelope, and wherein the opening at the apex of the envelope is configured to release the lift gas from the envelope. 7. The balloon of claim 1, wherein the fuse coupled to the envelope comprises: a first fuse arranged along a substantially latitudinal line around the envelope;a second fuse arranged along a substantially latitudinal line around a top portion of the envelope; anda third fuse coupling the first fuse to the second fuse. 8. The balloon of claim 7, further comprising: a flame retardant material located between the third fuse and the envelope, wherein the flame retardant material is configured to prevent the third fuse from melting the envelope. 9. The balloon of claim 7, wherein the ignited second fuse is configured to melt through the envelope to create an opening at an apex of the envelope, and wherein the opening at the apex of the envelope is configured to release the lift gas from the envelope. 10. A method comprising: receiving an indication that a balloon should deploy a parachute; andresponsive to the received indication, igniting a fuse coupled to an envelope of the balloon via an activation system, wherein the fuse is ignitable to melt through at least a portion of the envelope to separate an upper portion of the envelope from a lower portion of the envelope, and wherein the upper portion of the envelope is coupled to a payload of the balloon such that when separated from the lower portion, the upper portion performs as a parachute for the payload. 11. The method of claim 10, wherein a bottom surface of the upper portion of the envelope is configured to create drag to slow the descent of the payload and the upper portion. 12. The method of claim 10, the fuse coupled to the envelope comprises: one or more fuses coupled along a substantially longitudinal line from the bottom of the envelope to the equator of the envelope, wherein the ignited one or more fuses creates one or more slots in the lower portion of the envelope configured to release the lift gas from the envelope. 13. The method of claim 10, wherein the indication that the balloon should deploy a parachute is responsive to information from one or more sensors located on the payload of the balloon. 14. The method of claim 10, wherein the indication that the balloon should deploy a parachute is responsive to information from a ground-based station. 15. The method of claim 10, wherein the fuse coupled to the envelope comprises: a first fuse arranged along a substantially latitudinal line around the envelope;a second fuse arranged along a substantially latitudinal line around a top portion of the envelope; anda third fuse coupling the first fuse to the second fuse. 16. The method of claim 15, wherein the ignited second fuse is configured to melt through the envelope to create an opening at an apex of the envelope, and wherein the opening at the apex of the envelope is configured to release a lift gas from the envelope. 17. An apparatus comprising: a fuse coupled to an envelope of a balloon;a resistance wire coupled to the fuse; anda power source connected to the resistance wire, wherein the power source connected to the resistance wire is configured to ignite the fuse, wherein the fuse is ignitable to melt through at least a portion of the envelope to separate an upper portion of the envelope from a lower portion of the envelope, and wherein the upper portion of the envelope is coupled to a payload of the balloon such that when separated from the lower portion, a bottom surface of the upper portion of the envelope creates drag to slow the descent of the payload and the upper portion. 18. The apparatus of claim 17, wherein the fuse coupled to the envelope of the balloon comprises: one or more fuses coupled along a substantially longitudinal line from the bottom of the envelope to the equator of the envelope, wherein the ignited one or more fuses creates one or more slots in the lower portion of the envelope configured to release the lift gas from the envelope. 19. The apparatus of claim 17, wherein the fuse coupled to the envelope comprises: a first fuse arranged along a substantially latitudinal line around the envelope;a second fuse arranged along a substantially latitudinal line around a top portion of the envelope; anda third fuse coupling the first fuse to the second fuse; anda flame retardant material located between the third fuse and the envelope, wherein the flame retardant material is configured to prevent the third fuse from melting the envelope. 20. The apparatus of claim 17, wherein the ignited second fuse is configured to melt through the envelope to create an opening at an apex of the envelope, and wherein the opening at the apex of the envelope is configured to release the lift gas from the envelope.
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