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특허 상세정보

Flow modulating device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05D-007/01    F02K-001/00    F16K-017/38   
미국특허분류(USC) 138/045; 138/046; 060/770; 137/468
출원번호 US-0760904 (2010-04-15)
등록번호 US-8651142 (2014-02-18)
우선권정보 GB-0907513.6 (2009-05-01); GB-0908556.4 (2009-05-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oliff PLC
인용정보 피인용 횟수 : 2  인용 특허 : 27
초록

A flow modulating device comprises flow modulating elements 8 of a shape memory alloy, which are acted upon by resilient elements 10. The flow modulating elements 8 and resilient elements 10 are mounted on a common support ring 6. At one temperature, the flow modulating elements 8 overcome the resilient force of the resilient elements 10 to lie against the wall of a duct 4 in which the device is situated. The flow modulating elements 8 thus offer a relatively low resistance to flow in the duct 4. At a second temperature, the force of the resilient elemen...

대표
청구항

1. A flow modulating device for modulating flow in a duct, the device comprising: a first flow modulating element having a fixed end secured to a wall of the duct and a free end which is displaceable relative to the wall of the duct; anda first actuation element spaced from the first flow modulating element which only acts on the free end of the first flow modulating element, one of the first flow modulation element and first actuation element are made from a material exhibiting a shape memory effect and the other is a resilient element, wherein:the firs...

이 특허에 인용된 특허 (27)

  1. Kang, Suk Jin. Apparatus and method to control force exerted on steam turbines by inlet pipes. USP2004086779963.
  2. Cook Paul M. (Menlo Park CA) Otte Richard F. (Los Altos Hills CA) Claypool James L. (Mountain Vew CA) White Lawrence J. (San Jose CA) Broyles Harry C. (Sunnyvale CA) Brooks Peter L. (Los Altos CA). Apparatus for internal pipe protection. USP1982104355664.
  3. Komauer Christian (Nussbaumen CHX) Mayer Andreas (Niederrohrdorf CHX). Control apparatus for a gas dynamic pressure-wave machine for charging combustion engines. USP1983084398868.
  4. Ausdenmoore Robert M. (West Chester OH) Freid Wilbert B. (Bridgton ME). Cooling system for a divergent section of a nozzle. USP1996015484105.
  5. King,James G.; Ruddock,David B. Deformable ball seat. USP2009037503392.
  6. Nesbitt, Eric H.; Butler, George W.; Reed, David H.. Deployable segmented exhaust nozzle for a jet engine. USP2004046718752.
  7. Stieger, Rory D.; Britchford, Kevin M.; Strange, Paul J. R.. Engine noise. USP2010067735601.
  8. Webster, John R. Gas turbine engine exhaust nozzle. USP2009087578132.
  9. Webster, John Richard. Gas turbine engine exhaust nozzle having a composite article having a shape memory material member. USP2012108291710.
  10. Birch, Nigel T; Webster, John R. Gas turbine engine exhaust nozzle having a noise attenuation device driven by shape memory material actuators. USP2004116813877.
  11. Birch,Nigel T; Webster,John R. Gas turbine engine exhaust nozzle having a noise attenuation device driven by shape memory material actuators. USP2006027000378.
  12. Bennett Milton D. (2218 Farringdon Rd. Baltimore MD 21209). Hot water cutoff safety valve for showers. USP1984114480784.
  13. Mengle, Vinod G.; Thomas, Russell H.. Jet engine nozzle exit configurations, including projections oriented relative to pylons, and associated systems and methods. USP2012048157207.
  14. Gowda,Srinivasa Range; Early,Kevin Sean; Martens,Steven. Methods and apparatus for operating gas turbine engines. USP2006087093423.
  15. Wood, Jeffrey H.; Dunne, James P.. Morphing structure. USP2010017644575.
  16. Wood,Jeffrey H; Dunne,James P. Morphing structure. USP2008037340883.
  17. Wood, Jeffrey H.; Dunne, James P.. Morphing structure and method. USP2013038397485.
  18. Wood, Jeffrey H.; Dunne, James P.. Morphing structure and method. USP2012058186143.
  19. Lynch, Michael D.; Barr, Dustin C.. Nozzle with temperature-responsive throat diameter. USP2010077762078.
  20. Horne Kenneth N. ; Yim Mark H.. Oscillatory dual flap valve system. USP1999105967187.
  21. White, Edward V. Reduced noise jet engine. USP2009067546727.
  22. Wood,Jeffrey H. Shape changing structure. USP2007057216831.
  23. Browne, Alan L.; Bucknor, Norman K.; Leslie, Michael R.. Shape memory polymer conduits and methods of use. USP2009107607634.
  24. Albers,Robert Joseph; Ruiz,Rafael; Boyle,Marcia; Glynn,Christopher Charles. Turbine engine stator including shape memory alloy and clearance control method. USP2008057367776.
  25. Rey Nancy M. ; Miller Robin M. ; Tillman Thomas G. ; Rukus Robert M. ; Kettle John L. ; Dunphy James R. ; Chaudhry Zaffir A. ; Pearson David D. ; Dreitlein Kenneth C. ; Loffredo Constantino V. ; Wyno. Variable area nozzle for gas turbine engines driven by shape memory alloy actuators. USP2001116318070.
  26. Rey, Nancy M.; Miller, Robin Mihekun; Tillman, Thomas G.; Rukus, Robert M.; Kettle, John L.. Variable area nozzle for gas turbine engines driven by shape memory alloy actuators. USP2004056735936.
  27. Arnold,Steven M.; Penney,Nicholas. Variable area nozzle including a plurality of convexly vanes with a crowned contour, in a vane to vane sealing arrangement and with nonuniform lengths. USP2008127458221.