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특허 상세정보

Aerodynamic braking device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-027/72   
미국특허분류(USC) 244/213 ; 244/113 ; 244/215 ; 416/23
출원번호 US-0370371 (1995-01-09)
발명자 / 주소
인용정보 피인용 횟수 : 40  인용 특허 : 0
초록

A spoiler flap is pivotably mounted to the rearward portion of a wind turbine blade or wing to control or influence air flow over the surface of the blade or wing. The spoiler flap has forward and rearward edges. The spoiler flap can be pivoted to simultaneously raise the forward edge (into low pressure flow) and lower the rearward edge of the spoiler flap (into high pressure flow). The extent to which the spoiler flap is pivoted determines the extent to which the air flow over the surface of the blade or wing is influenced. When the spoiler flap is full...

대표
청구항

In a wind turbine blade of the type which is adapted to rotate about an axis in response to wind moving over said turbine blade, wherein said turbine blade includes a forward portion, a rearward portion, an upper surface and a lower surface, wherein the improvement comprises: a braking device pivotably secured to said rearward portion of said blade; wherein said braking device comprises a spoiler flap having forward and rearward edges; wherein the distance between said forward and rearward edges of said flap is at least about 40% of the chord length of s...

이 특허를 인용한 특허 피인용횟수: 40

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  5. Cazals, Olivier; Druot, Thierry. Aircraft with yaw control by differential drag. USP2014118876044.
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  8. Collins, Andrew J.. Flight control surface actuation system. USP2004086776376.
  9. Schroeder, Karsten. High-lift system for an aircraft, method for displacing a lift flap, and aircraft having a high-lift system. USP2013128596586.
  10. Westergaard, Carsten Hein; Hancock, Mark; Narasimalu, Srikanth. Hinged connection apparatus for securing a first wind turbine component to a second. USP2014118876473.
  11. McGrath, Edward Lee; Ridgway, Robert William. Method for shut down of a wind turbine having rotor blades with fail-safe air brakes. USP2013078491262.
  12. Palley,Igor. Method of making complex twisted blades with hollow airfoil cross section and the turbines based on such. USP2007017156609.
  13. Llorente Gonzalez,Jose Ignacio. Method of operating a wind turbine. USP2009017476985.
  14. Koike, Bento Massahiko. Multi-element blade with aerodynamic profiles. USP2014028647063.
  15. Cousineau Kevin Lewis ; Christenson Craig Leonard. Non-volatile over speed control system for wind turbines. USP2001076265785.
  16. Bardia, Jaime Mlguel. On or off grid vertical axis wind turbine and self contained rapid deployment autonomous battlefield robot recharging and forward operating base horizontal axis wind turbine. USP2015089103321.
  17. Bardia, Jaime Miguel. On or off grid vertical axis wind turbine and self contained rapid deployment autonoous battlefield robot recharging and forward operating base horizontal axis wind turbine. USP2016129528498.
  18. Birkestrand, Orville J.. Power generation apparatus. USP2017119816384.
  19. Birkestrand, Orville J.. Power generation apparatus. USP2017119816383.
  20. Herr, Stefan; Tobin, James Robert. Rotatable aerodynamic surface features for wind turbine rotor blades. USP2017099752559.
  21. Fisher, Murray; Herr, Stefan; Magnuson, David Cole. Rotor blade assembly. USP2011098011887.
  22. Noriaki Katayama JP; Tatsuro Hongu JP; Eiichi Yamakawa JP. Rotor blade flap drive apparatus. USP2002126499690.
  23. Wobben,Aloys. Rotor blade for a wind power installation. USP2007047204674.
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  26. Lorkowski, Thomas; Hermle, Frank. Rotor blade with control flaps. USP2003126663345.
  27. Herrig, Andreas; Honhoff, Saskia Gerarda. System and method for controlling a wind turbine based on identified surface conditions of the rotor blades. USP2017099759068.
  28. Preus, Robert W.. System for providing dynamic pitch control in a wind turbine. USP2013118573937.
  29. Sharpe, David John. Vertical axis turbine apparatus. USP2011108038383.
  30. Lane, Kenneth B.. Vertical axis windmill with passive over-speed protection. USP2016039284946.
  31. Sauer, Dieter. Wind sail turbine. USP2014128905704.
  32. Sauer, Jr., Dieter. Wind sail turbine. USP2014108864440.
  33. Kane,Vic. Wind turbine. USP2006057040859.
  34. Friedrich, Michael. Wind turbine and associated control method. USP2016019234502.
  35. Hancock, Mark. Wind turbine blade. USP2013088517682.
  36. Hancock, Mark; Loh, Wuh Ken; Chang, Yun Chong Gabriel. Wind turbine blade. USP2015059039372.
  37. 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.
  38. Vossler, Alexander William; Yarbrough, Aaron A.; Caruso, Christopher Daniel. Wind turbine rotor blade having a spoiler. USP2016029267491.
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  40. Wilson, Megan M.. Wind turbine rotor blade with passively modified trailing edge component. USP2013128602732.