$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

System and method for improved rotor tip performance

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-027/467   
미국특허분류(USC) 244/017.25; 416/024; 244/017.11
출원번호 UP-0752791 (2007-05-23)
등록번호 US-7757992 (2010-08-09)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lee & Hayes, PLLC
인용정보 피인용 횟수 : 3  인용 특허 : 16
초록

Embodiments of systems and methods for enhancing the performance of rotary wing aircraft through reduced torque, noise and vibration are disclosed. In one embodiment, a method includes configuring the rotorcraft in a selected flight condition, communicating input signals to a control system operable to position sails coupled to tips of blades of a rotor assembly, processing the input signals according to a constraint condition to generate sail positional information, and transferring the sail positional information to the sail. Alternately, input signals...

대표
청구항

What is claimed is: 1. A method for configuring a rotor blade in a rotary wing aircraft, comprising: selecting a flight condition; configuring the rotor blade to the selected flight condition; receiving a control input generated from a sensing device installed in the rotary wing aircraft; determining, based on the control input, an orientation of a sail coupled to a tip of the rotor blade, at least a portion of the sail extending beyond an axis that extends along a trailing edge of the rotor blade to an outboard edge of the sail; and moving the sail to ...

이 특허에 인용된 특허 (16)

  1. Kota,Sridhar; Hetrick,Joel A.. Adaptive compliant wing and rotor system. USP2008067384016.
  2. Goodson Kenneth W. (Rte. 4 ; Box 389 Mt. Olive NC 28365). Airfoil. USP1987064671473.
  3. Allen John B.. Articulating winglets. USP1999115988563.
  4. Clark Walter Dennis. Augmented wing tip drag flap. USP2001056227487.
  5. Klug Heinz G. (Buxtehude DEX). Auxiliary wing tips for an aircraft. USP1988024722499.
  6. Pelrine, Ronald E.; Kornbluh, Roy D.. Electroactive polymer devices. USP2003046545384.
  7. Jenkins Michael W. (Marietta GA). Flight control mechanism for airplanes. USP1981014247063.
  8. Spillman John J. (Bedford GB2). Fluid stream deflecting members for aircraft bodies or the like. USP1981064272043.
  9. Spillman John J. (Bedford GB2). Fluid stream deflecting members for aircraft bodies or the like. USP1979104172574.
  10. Hieu T. Ngo ; Lisa E. Barlow. Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith. USP2002056394397.
  11. Takanori Tsukahara JP; Masahiro Obukata JP. Rotary blade of helicopter. USP2002106467732.
  12. Wolfgang Brix DE. Subsonic aircraft with backswept wings and movable wing tip winglets. USP2002026345790.
  13. Ulrich La Roche CH; Lucas La Roche CH. Wing comprising a distal wing grid. USP2002086431499.
  14. Santos Jonathan (2902 Tapered La. Bowie MD 20715). Wing tip airfoils. USP1986064595160.
  15. La Roche Ulrich,CHX. Wing with a wing grid as the end section. USP1998105823480.
  16. Goldhammer Mark I. (Bellevue WA) Schippers Karel A. (Renton WA). Wing/winglet configurations and methods for aircraft. USP1994015275358.