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특허 상세정보

Method and apparatus for reducing the drag of flows over surfaces

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-023/02   
미국특허분류(USC) 244/206 ; 244/130 ; 244/204 ; 244/201
출원번호 US-0659306 (1996-06-06)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Wray
인용정보 피인용 횟수 : 37  인용 특허 : 17
초록

An apparatus, and its accompanying method, for reducing the drag of flows over a surface includes arrays of small disks and sensors. The arrays are embedded in the surface and may extend above, or be depressed below, the surface, provided they remain hydraulically smooth either when operating or when inactive. The disks are arranged in arrays of various shapes, and spaced according to the cruising speed of the vehicle on which the arrays are installed. For drag reduction at speeds of the order of 30 meters/second, preferred embodiments include disks that...

대표
청구항

[ I claim:] [1.] An apparatus for actively controlling a boundary layer over a surface comprising at least one actuator at scales less than a local boundary layer thickness positioned in a surface, the at least one actuator having a stationary part and a rotating part, wherein the rotating part rotates in the plane of the surface, wherein the rotating part has an axis of rotation that is substantially perpendicular to the surface, and wherein the at least one actuator is either embedded in the surface, or may extend above or be depressed below the surfac...

이 특허에 인용된 특허 (17)

  1. Haney William R. (6507 Foxboro Dr. Mayfield Village OH 44143). Air foil providing vortex attenuation. USP1994035297764.
  2. Burnham J. Kellogg (Av. Republicas 153 Bis Mexico City 13 MXX) Gottfried ; Jr. Mario H. (Las Flores 278 ; Los Reyes Mexico City 21 ; MXX). Air-borne support and lift mechanism adapted to aircraft. USP1980054202518.
  3. Rubbert Paul E. (Issaquah WA). Aircraft wingtip vorticity redistribution apparatus. USP1992035100085.
  4. Wortman Andrew (Santa Monica CA). Alleviation of aircraft fuselage form drag. USP1991125069402.
  5. Aulehla Felix (Ottobrunn DEX) Genssler Hans-Peter (Munich DEX). Apparatus for influencing a boundary layer on the surface of a body moving through a medium. USP1989064836473.
  6. Haslund Ralph L. (Mercer Island WA). Fluid control apparatus and method utilizing cellular array containing mini-vortex flow patterns. USP1987064671474.
  7. Leon Ross M. (Cincinnati OH). Jet engine fan nacelle. USP1992105156362.
  8. Rao Dhanvada M. (Yorktown VA). Lift augmentation for highly swept wing aircraft. USP1993105255881.
  9. Wygnanski Israel (4559 N. Placita de las Charcras Tucson AZ 85718). Method and apparatus for delaying the separation of flow from a solid surface. USP1993055209438.
  10. Katz Richard A. (East Lyme CT). Method and system for reducing drag on a body moving through a fluid medium. USP1994115365490.
  11. Lurz Werner (Hamburg DEX). Method for stabilizing laminar separated boundary layers. USP1987054664345.
  12. Lurz Werner (Hamburg DEX). Method of and apparatus for controlling the boundary layer flow over the surface of a body. USP1985054516747.
  13. Nosenchuck Daniel M. (Mercerville NJ) Brown Garry L. (Princeton NJ). Multiple electromagnetic tiles for boundary layer control. USP1995085437421.
  14. Horstman Raymond H. (Auburn WA). Perforated wing panel with variable porosity. USP1993115263667.
  15. Malvestuto ; Jr. Frank S. (330 Winamar Ave. La Jolla CA 92037). Rotor flap apparatus and method. USP1993035195702.
  16. Palmer Steven D. (Burlington IA). System for onboard lift analysis and apparatus therefor. USP1995105457630.
  17. Picard Jean-Paul (30 rue Thibault Hull ; Quebec CAX J9A 1H3). Vertical lift system through tangential blowing of air jets channelled over the top of rotating cylinders. USP1993015180119.

이 특허를 인용한 특허 피인용횟수: 37

  1. Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C.. Airflow control devices based on active materials. USP2006067059664.
  2. Mc Knight,Geoffrey P.; Massey,Cameron; Herrera,Guillermo A.; Barvosa Carter,William; Johnson,Nancy L.; Browne,Alan L.. Airflow control devices based on active materials. USP2008097429074.
  3. McKnight, Geoffrey P.; Massey, Cameron; Herrera, Guillermo A.; Barvosa-Carter, William; Johnson, Nancy L.; Browne, Alan L.. Airflow control devices based on active materials. USP2010047703839.
  4. McKnight, Geoffrey P.; Massey, Cameron; Herrera, Guillermo A.; Barvosa-Carter, William; Johnson, Nancy L.; Browne, Alan L.. Airflow control devices based on active materials. USP2010127854467.
  5. Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C.. Airflow control devices using current. USP2006127147269.
  6. Aase,Jan H.; Browne,Alan L.; Johnson,Nancy L.; Ulicny,John C.. Airflow control devices with planar surfaces. USP2006127147271.
  7. Ireland, Peter. Application of elastomeric vortex generators. USP2014108870124.
  8. Sheaf, Christopher T. J.; Hussain, Zahid M.. Boundary layer energiser. USP2015038967964.
  9. Sheaf, Christopher T. J.; Hussain, Zahid M.. Boundary layer energiser. USP2013018348199.
  10. Sheaf, Christopher T J; Hussain, Zahid M. Breather duct shielding. USP2013118572984.
  11. Sheaf, Christopher T. J.; Hussain, Zahid M.. Breather duct shielding. USP2014028657569.
  12. Cheung, Ken C. K.; Sullivan, Christopher J.. Conformable skin element system for active vortex control. USP2009087578483.
  13. Browne,Alan L.; Johnson,Nancy L.; Juechter,Tadge J.; Moss,Edward D.; Aase,Jan H.; Froling,Thomas H.; Jones,Gary L.; Khalighi,Bahram; Koromilas,Constantinos A.; Charles,Harlan W.; McKnight,Geoffrey P.. Control logic for fluid flow control devices. USP2007027178395.
  14. McKeon, Beverley J.. Control of aerodynamic forces by variable wetted surface morphology. USP2012108276851.
  15. McKeon, Beverley J.. Control of aerodynamic forces by variable wetted surface morphology. USP2013048424809.
  16. Salaverry, Peter C.; Wood, Richard. Day cab road tractor with drag-reducing film system. USP201405D704112.
  17. Shelman-Cohen, Alexander J.. Drag reduction systems having fractal geometry/geometrics. USP20180610001015.
  18. Collins, Andrew J.. Flight control surface actuation system. USP2004086776376.
  19. Kirschner Ivan N.. Flow control system having actuated elastomeric membrane. USP2000026024119.
  20. Garver, Theodore M.. Fluid interface device as well as apparati and methods including same. USP2016079394046.
  21. Garver, Theodore. Lift adjusting device for aircraft. USP2004116824109.
  22. Richard A. Katz. Method and apparatus for reducing drag in marine vessels. USP2002036356816.
  23. Kamiadakis George Em ; Du Yiging. Method and apparatus for reducing turbulent drag. USP2001126332593.
  24. Karniadakis, George Em; Breuer, Kenneth; Symeonidis, Vasileios. Method and apparatus for reducing turbulent drag. USP2003026520455.
  25. Browne,Alan L.; Johnson,Nancy L.. Method for controlling airflow. USP2007027178859.
  26. Salaverry, Peter C.. Method of reducing drag on the outer surface of a vehicle. USP2012038141936.
  27. Khidekel, Ann E.. Optimized nacelle profile and plenum shape for boundary layer ingestion active laminar flow control. USP20190110189558.
  28. Salaverry, Peter C.; Wood, Richard. Set of drag reducing panels for a road tractor. USP201303D677196.
  29. Reckzeh, Daniel; Goelling, Burkhard; Lengers, Matthias. Surface element for an aircraft, aircraft and method for improving high-lift generation on a surface element. USP2016039272772.
  30. Truax, Philip P.; Miller, Daniel N.; Hamstra, Jeffrey W.; Yagle, Patrick J.. System and method for actively manipulating and controlling fluid flow over a surface. USP2004016682021.
  31. Philip P. Truax ; Daniel N. Miller ; Jeffrey W. Hamstra ; Patrick J. Yagle. System and method for manipulating and controlling fluid flow over a surface. USP2002046371414.
  32. Drouin, Jr., Donald V.; Schwimley, Scott Lee. Systems and methods for alleviating aircraft loads with plasma actuators. USP2016099446840.
  33. Silkey, Joseph S.; Smereczniak, Philip. Systems and methods for controlling flows with pulsed discharges. USP2014058727286.
  34. Salaverry, Peter C.. Turbine with turbulence inducing surface. USP2014038662854.
  35. Salaverry, Peter C.. Vehicle with drag-reducing outer surface. USP2010107810867.
  36. Bearman, Peter William; Owen, John; Szewczyk, Albin Anthony. Vortex shedding and drag force reduction. USP2005066908063.
  37. Reckzeh, Daniel; Goelling, Burkhard; Lengers, Matthias. Wing for an aircraft, aircraft and method for reducing aerodynamic drag and improving maximum lift. USP2016039278753.