IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0325344
(2011-12-14)
|
등록번호 |
US-8210479
(2012-07-03)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
39 |
초록
▼
A parachute inlet control system is configured to provide an improved inflation profile for solo and/or clustered parachutes. An inlet parachute is coupled to a main parachute via a plurality of lacing loops and/or reefing rings. The lacing loops may be passed through the reefing rings and/or may be
A parachute inlet control system is configured to provide an improved inflation profile for solo and/or clustered parachutes. An inlet parachute is coupled to a main parachute via a plurality of lacing loops and/or reefing rings. The lacing loops may be passed through the reefing rings and/or may be routed around one or more of the main parachute suspension lines. The inlet parachute is located in the inlet area of the main parachute, and causes the inlet of the main parachute to rapidly form a desirable shape. The inlet parachute and lacing loops function as a reefing means, and prevent full inflation of the main parachute until a reefing cutter has functioned. In this manner, parachute failures, such as those due to leading and/or lagging parachutes in a parachute cluster, may be reduced or eliminated.
대표청구항
▼
1. A parachute inlet control system, comprising: an inlet parachute; anda plurality of lacing loops configured to couple the inlet parachute to a main parachute;wherein each of the plurality of lacing loops is configured with an end loop, andwherein, when the inlet parachute is coupled to the main p
1. A parachute inlet control system, comprising: an inlet parachute; anda plurality of lacing loops configured to couple the inlet parachute to a main parachute;wherein each of the plurality of lacing loops is configured with an end loop, andwherein, when the inlet parachute is coupled to the main parachute, at least one of the plurality of lacing loops is threaded through the end loop of another of the plurality of lacing loops. 2. The system of claim 1, wherein the inlet parachute is configured to inflate in the inlet area of the main parachute. 3. The system of claim 1, wherein, when the inlet parachute is coupled to the main parachute, the plurality of lacing loops are threaded through reefing rings on the main parachute. 4. The system of claim 1, wherein the length of each of the plurality of lacing loops is between 10 percent of the diameter of the inlet parachute and 50 percent of the diameter of the inlet parachute. 5. The system of claim 1, wherein the inlet parachute is configured to cause airflow between the inlet parachute and the main parachute to force a skirt of the main parachute into an opened shape. 6. The system of claim 1, further comprising a plurality of inlet vent lines configured to couple to a center line of the main parachute. 7. The system of claim 1, further comprising a reefing cutter, wherein the reefing cutter is configured to sever at least one of the lacing loops responsive to at least one of: an activation command received by the reefing cutter, a predetermined time period, altitude of a payload, or velocity of a payload. 8. A method for inflating a parachute, the method comprising: providing an inlet parachute; andcoupling the inlet parachute to a main parachute via a plurality of lacing loops,wherein each lacing loop is configured with an end loop,wherein at least one of the plurality of lacing loops is threaded through the end loop of another of the plurality of lacing loops, andwherein the inlet parachute is configured to inflate within the inlet area of the main parachute. 9. The method of claim 8, wherein coupling the inlet parachute to the main parachute comprises: threading a first lacing loop of the inlet parachute through a first reefing ring located on a skirt of the main parachute;threading a second lacing loop of the inlet parachute through the end loop of the first lacing loop; andthreading the second lacing loop through a second reefing ring located on the skirt of the main parachute. 10. The method of claim 8, further comprising inflating the inlet parachute to cause airflow between a skirt of the inlet parachute and a skirt of the main parachute to force the skirt of the main parachute into an opened shape. 11. The method of claim 10, wherein the size of the opened shape is determined by the length of the plurality of lacing loops. 12. The method of claim 10, wherein threading the first lacing loop through the first reefing ring prevents the main parachute from fully opening when the main parachute is deployed. 13. The method of claim 9, wherein the first lacing loop is threaded through multiple reefing rings on the skirt of the main parachute. 14. The method of claim 8, wherein the main parachute is configured without reefing rings, and wherein coupling the inlet parachute to the main parachute comprises encircling a lacing loop of the inlet parachute around a suspension line of the main parachute. 15. The method of claim 14, wherein one lacing loop is encircled around multiple suspension lines of the main parachute. 16. The method of claim 14, wherein encircling a lacing loop of the inlet parachute around a suspension line of the main parachute prevents the main parachute from fully opening when the main parachute is deployed. 17. The method of claim 10, further comprising releasing at least one of the plurality of lacing loops to cause the inlet parachute to cease functioning as a reefing component for the main parachute. 18. The method of claim 10, further comprising severing a cut loop to cause the inlet parachute to separate from the skirt of the main parachute, wherein the cut loop passes through the end loop of at least one of the plurality of lacing loops. 19. The method of claim 10, wherein the main parachute is part of a parachute cluster comprising multiple main parachutes, and wherein each main parachute in the parachute cluster is coupled to a corresponding inlet parachute. 20. The method of claim 10, wherein inflation of the inlet parachute causes the main parachute to ingest air more rapidly than if the main parachute was not coupled to an inlet parachute.
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