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특허 상세정보

Load carrying structure having variable flexibility

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-003/44   
미국특허분류(USC) 24/4219 ; 24/407.5R ; 41/613.2R
출원번호 US-0161083 (1998-09-25)
우선권정보 DE9742314 (1997-09-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
인용정보 피인용 횟수 : 28  인용 특허 : 10

A load carrying structure having a selectively rigid or flexible characteristic includes a thermoplastic material (7) having a softening temperature above the operating temperature range of the load carrying structure, and a heating arrangement (8) provided to selectively heat the thermoplastic material to above its softening temperature. During normal operation, the thermoplastic material is in a rigid state and the overall load carrying structure is rigid to the prevailing loads. By activating the heating arrangement to heat the thermoplastic material ...


[ What is claimed is:] [1.] A load carrying structure adapted to be selectively rigid or flexibly reconfigurable, comprisinga thermoplastic material that has a softening temperature greater than a maximum operating temperature of said structure and that is in a flexible softened state at and above said softening temperature and in a rigid state below said softening temperature, anda heating arrangement arranged and adapted to heat at least a portion of said thermoplastic material to at least said softening temperature so as to soften said portion of said...

이 특허를 인용한 특허 피인용횟수: 28

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  10. Widdle, Jr., Richard D.; Grimshaw, Matthew T.; Crosson-Elturan, Kava S.; Mabe, James H.; Calkins, Frederick T.; Gravatt, Lynn M.; Shome, Moushumi. High stiffness shape memory alloy actuated aerostructure. USP2013058434293.
  11. Widdle, Richard D.; Grimshaw, Matthew T.; Crosson-Eltruan, Kava S.; Mabe, James Henry; Calkins, Frederick T.; Gravatt, Lynn Marie; Shome, Moushumi. High stiffness shape memory alloy actuated aerostructure. USP20190210202939.
  12. Wadley, Haydn N. G.; Queheillalt, Douglas T.; Haj-Hariri, Hossein; Evans, Anthony G.; Peterson, George P.; Kurtz, Robert; Long, G. Douglas; Murty, Yellapu V.. Method and apparatus for jet blast deflection. USP2013018360361.
  13. Garcia, III, Juan M.; Lordo, Samuel A.; Braden, Michael L.. Method for removing metals and amines from crude oil. USP2017109790438.
  14. McKnight, Geoffrey P.; Henry, Christopher Paul; Herrera, Guillermo. Microstructured reconfigurable composite material. USP2015129211690.
  15. McKnight, Geoffrey P.; Henry, Christopher Paul; Herrera, Guillermo. Microstructured reconfigurable composite material. USP2017059643379.
  16. Wood, Norman. Morphing aerofoil. USP2017089745048.
  17. Xi, Fengfeng; Finistauri, Allan Daniel; Moosavian, Amin. Morphing wing for an aircraft. USP2018019856012.
  18. Sanderson, Terry M.; Gowler, Brian J.; Sar, David R.; McCreery, Thomas P.. Multi-layer metal/shape memory polymer roll-up wing structures for fitment-constrained air vehicles. USP2013098528863.
  19. McKnight, Geoffrey P.. Reconfigurable tooling using variable stiffness material. USP2011118057206.
  20. Elzey, Dana M.; Wadley, Haydn N. G.. Reversible shape memory multifunctional structural designs and method of using and making the same. USP2010037669799.
  21. A. Dean Jacot ; Robert T. Ruggeri ; Dan J. Clingman. Shape memory alloy device and control method. USP2002126499952.
  22. Roe, Robert W.; Gandhi, Umesh N.. Smart material trailing edge variable chord morphing wing. USP2016109457887.
  23. Shome, Moushumi; Calkins, Frederick T.; Apdalhaliem, Sahrudine. Variable camber airfoil system. USP2015099145198.
  24. Buffone, Cosimo; Webster, John R; Care, Ian C D. Variable shape rotor blade. USP2014028657561.
  25. Henry, Christopher P. Variable stiffness joint mechanism. USP2013078475074.
  26. McKnight, Geoffrey P.; Barvosa Carter, William. Variable stiffness structure. USP2009067550189.
  27. Grabau, Peter; Frydendal, Ib. Wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature. USP2005116966758.
  28. Ashton, Larry J.; Allman, Michael G.; White, Troy L.; Stark, Danny L.. Wing with sectioned tubular members. USP2010117828246.