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특허 상세정보

Subfloor structure of an aircraft airframe

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-001/00   
미국특허분류(USC) 244/1291; 244/119
출원번호 US-0570355 (2000-05-12)
우선권정보 DE-0022295 (1999-05-14)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    W. F. Fasse
인용정보 피인용 횟수 : 30  인용 특허 : 9
초록

A subfloor structure of an aircraft airframe, particularly of a helicopter, includes longitudinal beams and crossbeams that intersect each other and are interconnected to form a grid that is fixedly attached to the floor and the bottom skin of the aircraft fuselage. Structural elements such as pyramid frustums and reinforcements are arranged on the beams. The longitudinal beam and the crossbeam have a trapezoidal cross-section that is preferably open on the wider base side, closed by a spine web along the narrow side, and bounded laterally by inclined le...

대표
청구항

1. An aircraft floor construction comprising a subfloor structure, a fuselage floor supported and secured on a top of said subfloor structure, and a fuselage outer skin secured on a bottom of said subfloor structure,wherein said subfloor structure comprises a plurality of beams including longitudinal beams and crossbeams that are connected to each other, wherein said longitudinal beams intersect and are interconnected with said crossbeams only at respective intersection areas so as to form a grid of said beams with open areas between neighboring ones of ...

이 특허를 인용한 특허 피인용횟수: 30

  1. Burvill, Thomas; Bullock, Raymond. Aircraft panel structure and aircraft panel structure manufacturing method for alleviation of stress. USP2015099145195.
  2. Vetillard,Alban; Parro,Emmanuel. Cockpit floor for aircraft. USP2009017475850.
  3. Anast, Peter Z.; Hansken, Rickie. Commercial aircraft low cost, lightweight floor design. USP2003046554225.
  4. Carstensen, Thomas A.; Cournoyer, David M.; Ursenbach, Dan. Composite aircraft floor system. USP2014048709584.
  5. Lee, Shin S.; Viisoreanu, Adrian; Koch, William J.. Composite aircraft structures with hat stiffeners. USP2011017871040.
  6. Payen, Hervé. Composite anti-crash structure with controlled buckling for an aircraft. USP2010087780116.
  7. Carstensen, Thomas; Forster, William V.; Rogg, Christian A.. Composite thermoplastic matrix airframe structure and method of manufacture therefore. USP2014128920594.
  8. Mäkelä, Juha; Halme, Juha; Halme, Lauri; Hoffrén, Mikko. Curved element, wing, control surface and stabilizer for aircraft. USP2012088245971.
  9. Brofeldt,P채r. Device for bracing a shell in an aircraft fuselage. USP2006107124982.
  10. Maxwell, Robert W.; Chasen, Scott A.; Hainsworth, Barton J.. Eccentric fitting assembly. USP2014038667663.
  11. Townsend,William; Kay,Bruce Fredric. Energy absorbing airframe for a vertical lift vehicle. USP2007047198224.
  12. Bolukbasi, Akif O.; Baxter, Thomas R.; Nguyen, Tuan A.; Rassaian, Mostafa; Davis, Kevin R.; Koch, William J.; Firth, Lee C.. Energy absorbing structure for aircraft. USP2013028376275.
  13. Vetillard,Alban; Parro,Emmanuel; Leclerc,Frederic. Floor for aircraft. USP2008037338013.
  14. Toni, Darryl M.; Barr, Bruce H.; Sauer, Jeffrey G.; Bremmer, Jonathan; Ranalli, Thomas; Norwid, Alan J.. Fluid resistant composite sandwich panel. USP2011017867928.
  15. Poggi, Stefano. Helicopter collapsible deck. USP2010127845594.
  16. Hayashi, Tohru. Impact resistant structure for the helicopter and energy absorber used for the same. USP2005116959894.
  17. Lambiaso, Guy. Installation of single passenger interface unit and method thereof. USP2003026513756.
  18. Westre,Williard N.; Evans,David W.. Integrated aircraft structural floor. USP2007027182291.
  19. Dye, Scott A.; Mills, Gary L.. Integrated multilayer insulation. USP2012088234835.
  20. Bird, Connie E.; Holowczak, John E.. Lightweight projectile resistant armor system with surface enhancement. USP2015089097496.
  21. Goodworth, Alan R.; Anthony, James A.; Forster, William V.. Method of forming panels using an in-situ tape placement process and panels formed therefrom. USP2011108043458.
  22. Guering, Bernard; Durand, Yves. Method of integrating an avionics bay and floor structure for implementation. USP2017089745067.
  23. Kulesha, Richard L.. Methods and systems for composite structural truss. USP2011128074929.
  24. Kulesha, Richard L.. Methods and systems for composite structural truss. USP2013078490362.
  25. Kulesha, Richard L.. Methods and systems for composite structural truss. USP2014038677717.
  26. Mills, Gary L.; Unruh, Bryce W.; Rohrschneider, Reuben R.. Multi-layer insulation. USP2018049944452.
  27. Ashton, Larry J.; Allman, Michael G.; White, Troy L.; Simpson, Craig B.; Ta'ala, Benko S.. Reinforced composite panel. USP2011108042315.
  28. Fink, Axel; Steindl, Christoph. Rotary wing aircraft airframe. USP2016129517831.
  29. Townsend, William A.; Carstensen, Thomas A.; Bird, Connie E.; Holowczak, John E.. Structural panel with ballistic protection. USP2014108869673.
  30. Fink, Axel. Subfloor structure with an integral hull for a rotary wing aircraft. USP2017069688381.