IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0150334
(2011-06-01)
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등록번호 |
US-8646729
(2014-02-11)
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발명자
/ 주소 |
|
출원인 / 주소 |
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대리인 / 주소 |
Ostrager Chong Flaherty & Broitman P.C.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
3 |
초록
▼
Deployable aerodynamic devices with reduced actuator loads, and related systems and methods are disclosed. An external flow system in accordance with a particular embodiment includes an external flow body, a deployable device carried by and movable relative to the external flow body, and a coupling
Deployable aerodynamic devices with reduced actuator loads, and related systems and methods are disclosed. An external flow system in accordance with a particular embodiment includes an external flow body, a deployable device carried by and movable relative to the external flow body, and a coupling connected between the external flow body and the deployable device. The system can further include an actuator device operatively coupled between the external flow body and the deployable device, with the actuator device positioned to move the deployable device along a motion path between a stowed position and the deployed position. The motion path can have a first portion over which the load delivered by the actuator device increases as the deployed device moves toward the deployed position, and a second portion over which the load delivered by the actuator device decreases as the deployed device moves toward the deployed position.
대표청구항
▼
1. An external flow system, comprising: an external flow body comprising a first guide path;a deployable fluid dynamic device comprising a first guide path coupling, a first panel pivotably coupled to the external flow body, and a second panel movably coupled to the first guide path of the external
1. An external flow system, comprising: an external flow body comprising a first guide path;a deployable fluid dynamic device comprising a first guide path coupling, a first panel pivotably coupled to the external flow body, and a second panel movably coupled to the first guide path of the external flow body by the first guide path coupling and pivotably coupled to the first panel; andan actuator coupled to the external flow body and one of the first and second panels and having first and second operational states,whereby the fluid dynamic device is in a state of being stowed when the actuator is in the first operational state and in a state of being deployed when the actuator is in the second operational state, the second panel being subjected to pressure exerted by fluid when the fluid dynamic device is not stowed and the external flow body moves relative to that fluid in a direction such that the second panel leads the first panel. 2. The external flow system as recited in claim 1, wherein the actuator comprises a linear actuator pivotably coupled to the external flow body and the second panel, the linear actuator being retracted in the first operational state and extended in the second operational state. 3. The external flow system as recited in claim 1, wherein the actuator comprises a rotary actuator coupled to the external flow body and the first panel, the rotary actuator being unactivated in the first operational state and activated in the second operational state. 4. The external flow system as recited in claim 1, wherein the external flow body is part of a submarine or boat. 5. The external flow system as recited in claim 1, wherein over a first range of positions of the second panel, the load put out by the actuator increases, and over a second range of positions of the second panel, the load put out by the actuator device decreases, the second range of positions occurring after the first range during movement of the fluid dynamic device from the stowed configuration to the deployed configuration. 6. The external flow system as recited in claim 1, wherein a portion of the second panel that is coupled to the external flow body moves along a curved guide path during movement of the fluid dynamic device from the stowed configuration to the deployed configuration. 7. The external flow system as recited in claim 1, further comprising a resilient element positioned to oppose motion of the fluid dynamic device toward the deployed configuration. 8. The external flow system as recited in claim 1, wherein during deployment of the deployable fluid dynamic device, the angle between the first and second panels decreases. 9. The external flow system as recited in claim 1, wherein during deployment of the deployable fluid dynamic device, the distance of the location of the pivotable coupling of the first and second panels from the external flow body increases. 10. The external flow system as recited in claim 1, further comprising first and second hinge joints, wherein the first panel is pivotably coupled to the external flow body by the first hinge joint, and the first and second panels are pivotably coupled to each other by the second hinge joint. 11. The external flow system as recited in claim 1, wherein the external flow body is a lifting body of an aircraft. 12. The external flow system as recited in claim 11, wherein the lifting body comprises a wing, and the fluid dynamic device comprises a trailing edge device carried by the wing. 13. The external flow system as recited in claim 11, wherein the external flow body comprises a helicopter rotor blade. 14. The external flow system as recited in claim 1, wherein the external flow body further comprises a second guide path, and the deployable fluid dynamic device further comprises a second guide path coupling, the second panel being movably coupled to the second guide path of the external flow body by the second guide path coupling. 15. The external flow system as recited in claim 14, wherein the first and second guide paths are mutually parallel. 16. An external flow system, comprising: an external flow body comprising first and second guide paths;a deployable fluid dynamic device comprising first and second guide path couplings, a first panel pivotably coupled to the external flow body, and a second panel movably coupled to the first and second guide paths of the external flow body by the first and second guide path couplings respectively and pivotably coupled to the first panel; andan actuator coupled to the external flow body and to one of the first and second panels, the actuator being configured to cause deployment of the fluid dynamic device in a deployment operational state, during which the angle between the first and second panels will decrease and the distance of the location of the pivotable coupling of the first and second panels from the external flow body will increase. 17. The external flow system as recited in claim 16, wherein the actuator comprises a linear actuator pivotably coupled to the external flow body and the second panel, the linear actuator being retracted in the first operational state and extended in the second operational state. 18. The external flow system as recited in claim 16, wherein the actuator comprises a rotary actuator coupled to the external flow body and the first panel, the rotary actuator being unactivated in the first operational state and activated in the second operational state. 19. The external flow system as recited in claim 16, wherein the external flow body comprises a wing, and the fluid dynamic device comprises a trailing edge device carried by the wing. 20. The external flow system as recited in claim 16, wherein the external flow body comprises a helicopter rotor blade. 21. The external flow system as recited in claim 16, wherein the external flow body is part of a submarine or boat. 22. The external flow system as recited in claim 16, further comprising first and second hinge joints, wherein the first panel is pivotably coupled to the external flow body by the first hinge joint, and the first and second panels are pivotably coupled to each other by the second hinge joint.
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