[특허]Fluid interacting device

Lucas, Jeffrey M.

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Fluid interacting device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03D-003/02 F03D-003/06 F03B-017/06 F04D-033/00
출원번호	US-0862537 (2010-08-24)
등록번호	US-9115697 (2015-08-25)
발명자 / 주소	Lucas, Jeffrey M.
출원인 / 주소	Lucas, Jeffrey M.
인용정보	피인용 횟수 : 0 인용 특허 : 10

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A rotary turbine including at least one blade is disclosed. The rotary turbine includes a blade arrangement in which the orientation of the at least one blade movably changes relative to the fluid flow and also changes relative to an orbital path taken by the rotary turbine thereby increasing flow area usage and minimizing friction. Certain embodiments of the present disclosure include a rotary turbine with blade orientations that are linearly coupled to the orbital orientation of the turbine. Other embodiments of the present disclosure include a rotary ...

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1. A fluid interacting device for interacting with a moving fluid, the fluid interacting device comprising: a first shaft defining a first axis;a fluid interacting element, wherein a first point on the fluid interacting element defines an orbital path about the first axis of the first shaft as the fluid interacting element progresses through a cycle of interaction with the moving fluid, wherein bulk movement of the fluid generally defines a first direction, wherein a portion of the fluid interacting element that is spaced from the first point varies an orientation with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle; anda u-joint like control arrangement operably connected to the fluid interacting element, the u-joint like control arrangement adapted to cyclically vary the orientation of the fluid interacting element with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle, the control arrangement including: a first steering group including the first shaft, the first steering group rotatably mounted about the first axis of the first shaft, and the first steering group defining a second axis; anda second steering group with a second shaft defining a third axis, the second steering group rotatably mounted about the third axis, and the second steering group defining a fourth axis;wherein the angle of the fluid interacting element stays constant relative to the fourth axis as it pivots about the fourth axis; andwherein during a return portion of the cycle the fluid interacting element is oriented by the first and second steering groups of the control arrangement with respect to the first direction at a first orientation resulting in minimal interaction between the fluid interacting element and the moving fluid;wherein during an active portion of the cycle the fluid interacting element is oriented by the first and second steering groups of the control arrangement with respect to the first direction at a second orientation resulting in maximal interaction between the fluid interacting element and the moving fluid; andwherein the third axis of the second steering group is angularly offset from the first axis of the first steering group, wherein the first axis and the second axis of the first steering group are substantially perpendicular to each other, wherein the third axis and the fourth axis of the second steering group are substantially perpendicular to each other, and wherein the first axis, the second axis, the third axis, and the fourth axis intersect each other at a point. 2. The fluid interacting device of claim 1, wherein oscillating movement occurs about the second and fourth axes and rotational movement occurs about the first and third axes. 3. The fluid interacting device of claim 1, wherein the fluid interacting device comprises a fluid flow producing device. 4. The fluid interacting device of claim 1, wherein the fluid interacting device comprises a fluid flow energy harvesting device. 5. The fluid interacting device of claim 4, further comprising a steering arrangement that generally maintains the first and the second orientations of the fluid interacting element with respect to the first direction as the bulk movement of the fluid changes and thereby changes the first direction. 6. The fluid interacting device of claim 1, wherein the fluid interacting element is rotatably mounted to the first shaft about the second axis, wherein the control arrangement includes a variable ratio drive component operably connected between the first shaft and the fluid interacting element, and wherein a second rotational speed of the fluid interacting element about the second axis cyclically varies with respect to a first rotational speed of the first shaft about the first axis. 7. The fluid interacting device of claim 1, wherein the fluid interacting element directs the moving fluid in two or more different directions during the cycle of interaction. 8. The fluid interacting device of claim 1, wherein the fluid interacting element is oriented over a range of angles and thereby defines a corresponding set of directions of the moving fluid. 9. The fluid interacting device of claim 1, wherein the fluid interacting element is dynamically varied in orientation and thereby dynamically interacts with different directions of the moving fluid during the cycle of interaction. 10. A fluid interacting device for interacting with a moving fluid, the fluid interacting device comprising: a first shaft defining a first axis;a fluid interacting element, wherein a first point on the fluid interacting element defines an orbital path about the first axis of the first shaft as the fluid interacting element progresses through a cycle of interaction with the moving fluid, wherein bulk movement of the fluid generally defines a first direction, wherein a portion of the fluid interacting element that is spaced from the first point varies an orientation with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle; anda u-joint like control arrangement operably connected to the fluid interacting element, the u-joint like control arrangement adapted to cyclically vary the orientation of the fluid interacting element with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle, the control arrangement including: a first steering group including the first shaft, the first steering group rotatably mounted about the first axis of the first shaft, and the first steering group defining a second axis; anda second steering group with a second shaft defining a third axis, the second steering group rotatably mounted about the third axis, and the second steering group defining a fourth axis;wherein the angle of the fluid interacting element stays constant relative to the fourth axis as it pivots about the fourth axis; andwherein during a return portion of the cycle the fluid interacting element is oriented by the first and second steering groups of the control arrangement with respect to the first direction at a first orientation resulting in minimal interaction between the fluid interacting element and the moving fluid;wherein during an active portion of the cycle the fluid interacting element is oriented by the first and second steering groups of the control arrangement with respect to the first direction at a second orientation resulting in maximal interaction between the fluid interacting element and the moving fluid; andwherein the third axis of the second steering group is angularly offset from the first axis of the first steering group, wherein the first axis and the second axis of the first steering group are at an acute angle with respect to each other, wherein the third axis and the fourth axis of the second steering group are substantially perpendicular to each other, and wherein the first axis, the second axis, the third axis, and the fourth axis intersect each other at a point. 11. The fluid interacting device of claim 10, wherein oscillating movement occurs about the fourth axis and rotational movement occurs about the first, second, and third axes. 12. The fluid interacting device of claim 10, wherein the fluid interacting element is rotatably mounted to the first shaft about the second axis, wherein a second rotational speed of the fluid interacting element about the second axis averages half of a first rotational speed of the first shaft about the first axis. 13. The fluid interacting device of claim 10, wherein the fluid interacting device comprises a fluid flow producing device. 14. The fluid interacting device of claim 10, wherein the fluid interacting device comprises a fluid flow energy harvesting device. 15. The fluid interacting device of claim 14, further comprising a steering arrangement that generally maintains the first and the second orientations of the fluid interacting element with respect to the first direction as the bulk movement of the fluid changes and thereby changes the first direction. 16. The fluid interacting device of claim 10, wherein the fluid interacting element is rotatably mounted to the first shaft about the second axis, wherein the control arrangement includes a variable ratio drive component operably connected between the first shaft and the fluid interacting element, and wherein a second rotational speed of the fluid interacting element about the second axis cyclically varies with respect to a first rotational speed of the first shaft about the first axis. 17. The fluid interacting device of claim 10, wherein the fluid interacting element directs the moving fluid in two or more different directions during the cycle of interaction. 18. The fluid interacting device of claim 10, wherein the fluid interacting element is oriented over a range of angles and thereby defines a corresponding set of directions of the moving fluid. 19. The fluid interacting device of claim 10, wherein the fluid interacting element is dynamically varied in orientation and thereby dynamically interacts with different directions of the moving fluid during the cycle of interaction. 20. A fluid interacting device for interacting with a moving fluid, the fluid interacting device comprising: an inner hub defining a first axis;a fluid interacting element, wherein a first point on the fluid interacting element defines an orbital path about the first axis of the inner hub as the fluid interacting element progresses through a cycle of interaction with the moving fluid, wherein bulk movement of the fluid generally defines a first direction, wherein a portion of the fluid interacting element that is spaced from the first point varies an orientation with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle of interaction;a control arrangement operably connected to both the inner hub and the fluid interacting element, the control arrangement adapted to cyclically vary the orientation of the fluid interacting element with respect to the orbital path and with respect to the first direction as the fluid interacting element progresses through the cycle of interaction;an outer hub rotatable about a third axis, wherein the first axis and the third axis intersect each other at a point, wherein the first axis and the third axis are angularly offset from each other, wherein the inner hub and the outer hub are rotationally coupled to each other by a drive arrangement, and wherein the outer hub rotates about the inner hub about the first axis as the outer hub rotates about the third axis;wherein during a return portion of the cycle of interaction the fluid interacting element is oriented with respect to the first direction at a first orientation resulting in minimal interaction between the fluid interacting element and the moving fluid;wherein during an active portion of the cycle of interaction the fluid interacting element is oriented with respect to the first direction at a second orientation resulting in maximal interaction between the fluid interacting element and the moving fluid; andwherein the drive arrangement produces a figure-8-like movement of the fluid interacting element. 21. The fluid interacting device of claim 20, wherein the fluid interacting element is moved through a compound movement by the inner and the outer hubs and wherein lift and drag on the fluid interacting element both act during the active portion of the cycle of interaction. 22. The fluid interacting device of claim 20, wherein the fluid interacting element is moved through a compound movement by the inner and the outer hubs and wherein lift on the fluid interacting element acts during the return portion of the cycle of interaction. 23. The fluid interacting device of claim 20, wherein the first axis and the second axis are substantially perpendicular to each other. 24. The fluid interacting device of claim 20, wherein the drive arrangement that rotationally couples the inner and outer hubs includes a variable ratio drive component that produces a variation in relative velocity of the inner and outer hubs over the cycle of interaction. 25. The fluid interacting device of claim 24, wherein the variable ratio drive component includes an overall 1 to 1 ratio over the cycle of interaction. 26. The fluid interacting device of claim 24, wherein the variable ratio drive component includes a linkage. 27. The fluid interacting device of claim 24, wherein the variable ratio drive component includes a variable ratio gearing. 28. The fluid interacting device of claim 20, wherein the drive arrangement that rotationally couples the inner and outer hubs includes a fixed ratio gearing. 29. The fluid interacting device of claim 28, wherein the fixed ratio gearing produces a constant relative velocity of the inner and outer hubs over the cycle of interaction with an overall 1 to 1 ratio over the cycle of interaction. 30. The fluid interacting device of claim 2, wherein the fluid interacting element is an airfoil. 31. The fluid interacting device of claim 30, wherein the airfoil is a swept airfoil.

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Fluid interacting device

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