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특허 상세정보

Unloaded lift offset rotor system for a helicopter

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-027/00   
미국특허분류(USC) 244/017.11; 244/017.25; 244/017.13; 244/017.23; 416/124; 416/129; 416/120; 416/130; 416/198.R; 416/201.A
출원번호 US-0163414 (2005-10-18)
등록번호 US-7264199 (2007-09-04)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ostrager Chong Flaherty & Broitman P.C.
인용정보 피인용 횟수 : 39  인용 특허 : 2
초록

A rotor system (12) for a helicopter (10) includes a rotating shaft (82). A gimbaled hub assembly (56) is coupled to the rotating shaft (82). Rotating blades (24) and non-rotating blades (33) are coupled to the gimbaled hub assembly (56). The non-rotating blades (33) provide lift for the helicopter (10) in forward flight unloading the rotating blades. The rotating and non-rotating blades (24, 33) provide equal and opposite rolling moments for lift offset operation.

대표
청구항

What is claimed is: 1. A rotor system for a helicopter comprising: a rotating shaft; at least one gimbaled hub assembly coupled to said rotating shaft; a plurality of rotating blades coupled to said at least one gimbaled hub assembly; and a plurality of non-rotating blades coupled to said at least one gimbaled hub assembly and providing lift for the helicopter; said plurality of non-rotating blades providing rolling moment to said at least one gimbaled hub assembly. 2. A system as in claim 1 further comprising a non-rotating shaft coupled to said rot...

이 특허를 인용한 특허 피인용횟수: 39

  1. Brunken, Jr., John E.. Co-rotating stacked rotor disks for improved hover performance. USP2014028640985.
  2. Brandt, Vitali; Vlasov, Andrei Alexandrovich; Ivanov, Vladimir Yurievich. Coaxial lifting system. USP20180610005549.
  3. Luszcz, Matthew T.; White, Matthew A.; Wittmer, Kenneth S.. Coaxial rotor low-speed mixing. USP2017109802694.
  4. Cylinder, David A; Kellogg, James C. Convertible aerial vehicle with contra-rotating wing/rotors and twin tilting wing and propeller units. USP2010027665688.
  5. Brunken, Jr., John E.. Differential pitch control to optimize co-rotating stacked rotor performance. USP2014018636473.
  6. Brunken, Jr., John E.. Differential pitch-control to optimize co-rotating stacked rotor performance. USP2013078496434.
  7. Van de Rostyne, Alexander Jozef Magdalena; Wong, Kwok Leung. Flying toy. USP2012118308522.
  8. Van De Rostyne, Alexander. Helicopter. USP2010107815482.
  9. Van De Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter. USP200805D568947.
  10. Van de Rostyne, Alexander Jozef Magdalena; Wai, Chi Pok Billy. Helicopter. USP2013018357023.
  11. Van de Rostyne,Alexander Jozef Magdalena. Helicopter. USP2009027494397.
  12. Van de Rostyne,Alexander Jozef Magdalena. Helicopter. USP2008127467984.
  13. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter. USP200811D580845.
  14. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter blade, shafts and fins. USP200812D582336.
  15. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter blade, shafts and fins. USP200812D581856.
  16. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter blades, tail and fins. USP200811D580343.
  17. Van De Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter body. USP200809D576215.
  18. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter propeller. USP200902D585810.
  19. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter propeller rotor. USP200810D579403.
  20. Van de Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter rotor, frame and fins. USP200811D581341.
  21. Van De Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Helicopter rotors. USP200812D583297.
  22. Wai,Chi Pok Billy. Helicopter rotors, blades and shafts. USP200811D580344.
  23. Van de Rostyne, Alexander Jozef Magdalena; Wai, Chi Pok Billy. Helicopter with horizontal control. USP2010027662013.
  24. Van de Rostyne, Alexander Jozef Magdalena; Wai, Chi Pok Billy. Helicopter with main and auxiliary rotors. USP2011118052500.
  25. Wulff, Ole; Geiger, Derek. Lift offset management and control systems for coaxial rotorcraft. USP2017099758242.
  26. Weiner, Steven D.; Eadie, William J.. Main rotor rotational speed control for rotorcraft. USP20190110167079.
  27. Coburn, Glenn. Multi-rotor helicopter. USP2016039296477.
  28. Van de Rostyne, Alexander Jozef Magdalena; Leung, Wong Kwok. Remote controlled toy helicopter. USP2011088002604.
  29. Brunken, Jr., John E.. Rotor blade spacing for vibration attenuation. USP2013088500062.
  30. Brunken, Jr., John E.. Rotor hub and controls for multi-bladed rotor system. USP2014028640983.
  31. Karem, Abe. Rotor hub systems and methods. USP2011017871034.
  32. Karem, Abe. Rotorcraft with opposing roll mast moments, and related methods. USP2012038128034.
  33. Van De Rostyne,Alexander Jozef Magdalena; Wai,Chi Pok Billy. Rotors for helicopter. USP200812D582833.
  34. Wittmer, Kenneth S.. Swashplate trajectory control. USP2011087988089.
  35. van der Westhuizen, Jacob Johannes. Torsionally stiff rotorcraft control apparatus and method. USP2015059022314.
  36. Van de Rostyne, Alexander Jozef Magdalena; Wong, Kwok Leung. Toy helicopter. USP2011027883392.
  37. Van de Rostyne,Alexander Jozef Magdalena. Toy helicopter. USP2008097422505.
  38. Van de Rostyne,Alexander Jozef Magdalena. Toy helicopter. USP2008097425167.
  39. Van de Rostyne,Alexander Jozef Magdalena. Toy helicopter. USP2008097425168.