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특허 상세정보

Vortex generator

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-023/06   
미국특허분류(USC) 244/199
출원번호 US-0687647 (1984-12-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 20  인용 특허 : 4
초록

A vortex generator mounted to an upper lifting surface of an airfoil, and having an upstanding generally planar vortex generating member. The forward edge portion of the member slants first upwardly and rearwardly from the airfoil surface, and then curves in a continuous convex rearward curve to blend into a substantially horizontal rearwardly extending upper edge portion. This vortex configuration alleviates unwanted secondary vortices.

대표
청구항

A vortex generator adapted to be mounted to a forward surface portion of a substantially continuous aerodynamic lifting surface over which there is an airflow along a flow path from the forward surface portion where boundary layer air is at a generally predetermined thickness, to a rear surface portion of the aerodynamic surface where the airflow has greater tendency to become separated, with said vortex generator being positioned, relative to said lifting surface, to generate a vortex which travels rearwardly over, and adjacent to, said lifting surface ...

이 특허를 인용한 특허 피인용횟수: 20

  1. Kallinen,Risto. Arrangement for generating vortexes. USP2007107275721.
  2. Praskovsky, Alexander; Praskovskaya, Eleanor; Praskovsky, Andrew. Device, assembly, and system for reducing aerodynamic drag. USP2014078770649.
  3. Norris, Thomas R.. Externally mounted vortex generators for flow duct passage. USP2012098257036.
  4. Fujino Michimasa,JPX ; Kawamura Yuichi,JPX. Flow separator reducer. USP2000106126118.
  5. Krastel Norman W.. Gas or fluid de-organizers for moving objects. USP2001086276636.
  6. Maldonado, Jaime. Heat transfer enhancement in internal cavities of turbine engine airfoils. USP2013058439628.
  7. Prince, Troy S; Kolacinski, Richard; Patel, Mehul. Hierarchical closed-loop flow control system for aircraft, missiles and munitions. USP2016049310166.
  8. Prince, Troy S; Kolacinski, Richard; Patel, Mehul. Hierarchical closed-loop flow control system for aircraft, missiles and munitions. USP20181110139209.
  9. Malvestuto, Jr., Frank S.. High-lift, low-drag, stall-resistant airfoil. USP2004056732972.
  10. Dixon Charles J.. Method and apparatus for generating a stable leading-edge lifting-vortex controller. USP2001116318677.
  11. Konings, Christopher A.. Nacelle chine installation for drag reduction. USP2005116964397.
  12. Barrett, Ronald M.. Radar energy absorbing deformable low drag vortex generator. USP2016089416802.
  13. Barrett, Ronald M.. Radar energy absorbing deformable low drag vortex generator. USP2017069677580.
  14. Herr, Stefan; Nanukuttan, Biju; Srikanta, Santhosha Yelwal; Prabhu, Karthick. Rotor blade fence for a wind turbine. USP2016129523279.
  15. Praskovsky, Alexander; Praskovskaya, Eleanor; Praskovsky, Andrew. Vortex generator. USP201209D667373.
  16. Bonnaud, Cyril; Hormiere, Arnaud. Vortex generator at hot gas output. USP2011087988092.
  17. Obrecht, John M.; Steingrimsson, Arni T.. Vortex generators aligned with trailing edge features on wind turbine blade. USP2016109476406.
  18. Babinsky, Holger; Loth, Eric; Lee, Sang. Vortex generators to control boundary layer interactions. USP2014028656957.
  19. Loth,John L.. Vorticity cancellation at trailing edge for induced drag elimination. USP2006117134631.
  20. Grife, Ronald; Westergaard, Carsten Hein; Bryant, Joshua; Chao, David; Mittendorf, Kim; Choi, Jou-Young; Arrington, Abigail. Wind turbine blade and method for manufacturing a wind turbine blade with vortex generators. USP2015059039381.