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특허 상세정보

Articulated blade with automatic pitch and camber control

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F03D-003/00   
미국특허분류(USC) 416/24 ; 416/17 ; 416/119 ; 416/132B
출원번호 US-0764166 (1991-09-23)
발명자 / 주소
인용정보 피인용 횟수 : 28  인용 특허 : 0
초록

An articulated blade whose forward vane section is directly pitched by relative fluid flow upon it, and whose rear deflector section deflects the flow upon it. A control arm, through parallelogram linkage, maintains the deflector in parallel orientation with it, thus cambering the blade when it pitches. Fluid is deflected always in a direction controlled by orientation of the control arm. High lift-drag ratios are possible at high angles of attack. The blade can be used to extract power from the fluid, or for propulsion through a fluid.

대표
청구항

an articulated blade with automatic pitch and camber control comprising: (a) a forward vane section of the blade, a vane axis about which the vane rotates by rotational means, and which is parallel to the blade\s leading edge, said forward vane section pitched about the vane axis by the action of relative fluid flow, such that the blade\s leading edge is pitched into the flow, thus reducing drag on the blade, (b) a rear deflector section, of the blade, connected to the vane by hinge means, (c) a control arm connected by pivoting means to the vane at the ...

이 특허를 인용한 특허 피인용횟수: 28

  1. Terry Lane Scarlette. Abrasion resistant coatings. USP2002066399689.
  2. Lawson, David. Airfoils with automatic pitch control. USP2012128337159.
  3. Shi, Jun. Articulated wind turbine blades. USP2014038672631.
  4. Chen, Franklin Y. K.. Asymmetrically changing rotating blade shape (ACRBS) propeller and its airplane and wind turbine applications. USP2010117841831.
  5. Carter, Richard W.. Bidirectional axial flow turbine with self-pivoting blades for use in wave energy converter. USP2014048698331.
  6. Grenier, Mario; Grenier-Desbiens, Thomas; Grenier-Desbiens, Alex; Grenier-Desbiens, Jérôme. Energy extraction device with at least one bank of blades. USP2014028657560.
  7. Lucas, Jeffrey M.. Fluid interacting device. USP2015089115697.
  8. Birkestrand, Orville J.. Fluid-responsive oscillation power generation method and apparatus. USP2011087989973.
  9. Wang, Jingfu; Wang, Lijun; Wang, Wenjun. Hydroelectric power generating apparatus without dam. USP2016059328714.
  10. Gerhardt Heinz A.. Linear motion wind driven power plant. USP1999115992341.
  11. Gerhardt Heinz A.. Linear motion wind driven power plant. USP1998065758911.
  12. Scarlette, Terry Lane. Method of finishing using abrasion resistant coatings. USP2005106956079.
  13. Morris, David C.. Oscillating fluid power generator. USP2014028657575.
  14. Hwang, Ji Seon. Rotor for wind power generation and wind power generation apparatus having the same. USP2016119494137.
  15. Zheng, Ling; Stager, Roger; Johnston, Craig; Trimmer, Don; Frandzel, Yuval. Sampling based elimination of duplicate data. USP2016059344112.
  16. Potter, Noel Richard. Variable vane vertical axis wind turbine. USP2013118593008.
  17. Whinney, James Frederick Carnac. Vertical axis turbine. USP2017059644604.
  18. Liang, Ray-Hung. Vertical axis wind turbine. USP2012058177481.
  19. Ursua,Isidro U.. Vertical axis wind turbine. USP2006087083382.
  20. Bertony, Joseph. Vertical axis wind turbine with twisted blade or auxiliary blade. USP2013068469665.
  21. Sankrithi, Mithra M. K. V.. Wind energy harvesting system on a frozen surface. USP2010057714457.
  22. Wang, Jingfu. Wind power generating apparatus and wind blade structure. USP2014098847423.
  23. Sauer, Dieter. Wind sail turbine. USP2014128905704.
  24. Sauer, Jr., Dieter. Wind sail turbine. USP2014108864440.
  25. Rebsdorf, Anders; Medgaard, Christian. Wind turbine blade with cambering flaps controlled by surface pressure changes. USP2013048408870.
  26. Landa, Bernard; Latorre, Carlos Eduardo; Fric, Thomas Frank; Converse, Thomas Omar; Dinjus, Thomas; Brown, Michael Gregory; Torbohm, Gert; Schuell, Nadine. Wind turbine farm and method of controlling at least one wind turbine. USP2011108035242.
  27. Wilson, Megan M.. Wind turbine rotor blade with passively modified trailing edge component. USP2013088506248.
  28. Wilson, Megan M.. Wind turbine rotor blade with passively modified trailing edge component. USP2013128602732.