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특허 상세정보

Sound-absorbing exhaust nozzle center plug

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-001/00   
미국특허분류(USC) 060/770; 239/265.11; 181/213; 181/284
출원번호 UP-0417274 (2006-05-03)
등록번호 US-7784283 (2010-09-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Womble Carlyle Sandridge & Rice, PLLC
인용정보 피인용 횟수 : 17  인용 특허 : 37
초록

A sound-absorbing exhaust nozzle center plug for an aircraft gas turbine engine can include an outer skin and at least one forward cavity within the outer skin. At least one aft cavity can be located within the outer skin and substantially aft of the forward cavity. A perforated wall including a plurality of first openings can be disposed between the forward and aft cavities. The outer skin can include a second plurality of openings providing an acoustic pathway through the outer skin and into the forward cavity. The forward and aft cavities can be confi...

대표
청구항

What is claimed is: 1. A sound-absorbing exhaust center plug for an aircraft gas turbine engine comprising: a center plug body adapted for attachment within an exhaust nozzle of the engine and comprising: (a) an outer skin; (b) at least one forward cavity within the plug body; (c) at least one aft cavity within the plug body and substantially aft of the forward cavity; and (d) a wall separating the forward cavity from the aft cavity, the wall including a plurality of first openings therethrough; wherein the outer skin includes a second plurality of ope...

이 특허에 인용된 특허 (37)

  1. Feder ; Ernest. Acoustic liner. USP1978074100993.
  2. Cicon Dennis E. (Manchester CT). Acoustic treated exhaust plug for turbine engine. USP1980104226297.
  3. Wynosky Thomas A. (Madison CT). Acoustical turbine engine tail pipe plug. USP1980124240519.
  4. Rutherford Robert B. ; Dudman Richard L.. Aircraft de-icing system. USP2001126330986.
  5. Tolman Alan G. (Phoenix AZ). Broad band acoustic attenuator. USP1981014244441.
  6. Adee James M. (San Diego CA). Buried element deicer. USP1988054743740.
  7. Rutherford Robert B.. De-ice and anti-ice system and method for aircraft surfaces. USP2001026194685.
  8. Rutherford Robert B.. De-ice and anti-ice system and method for aircraft surfaces. USP1999085934617.
  9. Rolls John A.. Device and method for heating and deicing wind energy turbine blades. USP2000116145787.
  10. Bessiere Robert,FRX ; Bauchet Jean-Cyril,FRX. Device for heating an aerofoil. USP1999095947418.
  11. Bost Michel,FRX ; Bauchet Jean-Cyril,FRX. Device for heating an aerofoil. USP2000106137083.
  12. Bost Michel,FRX ; Bauchet Jean-Cyril,FRX. Device for heating an aerofoil. USP2000026031214.
  13. Ross David F. (Scottsdale AZ) Royalty Charles M. (Tempe AZ). Dual flow turbine engine muffler. USP1992115162620.
  14. Lawson David Charles,CAX ; Wiese Earl George,CAX. Electrically conductive composite heater and method of manufacture. USP1999075925275.
  15. Hastings Otis H. (130 E. Crescent Ave. Mahwah NJ 07430) Hastings Otis M. (130 E. Crescent Ave. Mahwah NJ 07430). Electrically conductive laminate for temperature control of aircraft surface. USP1994095344696.
  16. Newman Paul R. (Newbury Park CA) Cunningham Patricia H. (Thousand Oaks CA). Electrically heated structural composite and method of its manufacture. USP1990074942078.
  17. Kochman Arkady ; Gurevich Arthur. Electroconductive textile heating element and method of manufacture. USP1998105824996.
  18. Wiese Earl G. (Oakville CAX). Ground fault protection for electrothermal de-icing applications. USP1994115361183.
  19. Patrice Rauch FR; Jean-Cyril Bauchet FR. Heating device with resistive elements for an aerodynamic profile. USP2002016338455.
  20. Cheng, Chung-Chi; Shih, Wen-Chang. Heating substrate. USP2003026521873.
  21. McCauley Donald D. (Los Altos Hills CA) Bayless ; Jr. John D. (Cupertino CA). Integral heater for composite structure. USP1990114972197.
  22. Kraai Leon A. (Jackson MI) Sager ; Jr. Robert L. (Grass Lake MI) Hill William E. (Ann Arbor MI). Low backpressure straight-through reactive and dissipative muffler. USP1994115365025.
  23. Miller Charles G. ; Rolls John A.. Method for heating the surface of an antenna dish. USP1999085942140.
  24. Petrenko,Victor. Methods for modifying friction between an object and ice or snow. USP2006047034257.
  25. Hatori Yoshinori (Kawasaki JPX) Kato Yoichi (Yokohama JPX) Ohta Mutsumi (Tokyo JPX) Kosugi Yasuhiro (Tokyo JPX). Moving image signal coding system. USP1989064837618.
  26. Chapman John F. (Solihull GB2). Multi-layer acoustic linings. USP1980114231447.
  27. Schindler Guenter M. (Palos Verdes CA). Multi-layered acoustic liner. USP1976043948346.
  28. Lata Perez, Jes?s Mar?a. Noise reduction conduit for static components in aircraft engines. USP2005086935834.
  29. Rauch Patrice,FRX ; Bauchet Jean-Cyril,FRX. Resistive elements for heating an aerofoil, and device for heating an aerofoil incorporating such elements. USP1999105971323.
  30. Hoch Rene G. (La Rochette FRX) Jubelin Bernard J. L. (Cesson FRX) Sarlat Pierre M. A. (Fontainebleau FRX) Thomas Pierre (La Houssaye en Brie FRX). Resonant cavity devices for reducing noise within a duct in the presence of a gaseous fluid. USP1979044150732.
  31. Tseo Gudin (San Diego CA). Slanted cavity resonator. USP1977124064961.
  32. Arkady Kochman ; Mikhail Lavit ; Dmitry Kochman. Soft heating element and method of its electrical termination. USP2002066403935.
  33. Bonneau Hilaire (Boucherville CAX). Sound suppressor liner. USP1984024433751.
  34. Petrenko, Victor. Systems and methods for modifying an ice-to-object interface. USP2005036870139.
  35. Alan D. Gardner ; Andrew J. Miller GB; John A. Rolls ; Jeff R. Parkin. Thermoplastic laminate fabric heater and methods for making same. USP2002116483087.
  36. Herman Gerald T. (Seattle WA). Turbojet engine nozzle for attenuating core and turbine noise. USP1979024137992.
  37. Lair, Jean-Pierre. Variable area plug nozzle. USP2005016845607.

이 특허를 인용한 특허 피인용횟수: 17

  1. Yu, Jia; Chiou, Song; Kwan, Hwa-Wan; Alonso-Miralles, Jose S.. Acoustic liner. USP2017039592918.
  2. Jones, Michael G.; Grady, Joseph E.; Kiser, James D.; Miller, Christopher; Heidmann, James D.. Acoustic liners for turbine engines. USP20181010107139.
  3. Murray, Paul Benedict. Acoustic panel. USP2015018931588.
  4. Nampy, Sreenivas Narayanan; Adams, David M.. Acoustic panel with angled corrugated core structures. USP2017099761216.
  5. Nampy, Sreenivas Narayanan. Acoustic panel with vertical stiffeners. USP2018059978354.
  6. Byrne, Stuart James; Delaney, Mac Patrick. Exhaust assembly center body. USP2017019551239.
  7. Francisco, Jay M.; Napier, James C.. Exhaust silencer with baffles. USP2013128596568.
  8. Mecuson, Gautier; Conete, Eric. Exhaust with an acoustic attenuation system. USP2016029261008.
  9. Bouchard, Richard; Pietrobon, John; Durocher, Eric. Gas turbine exhaust case. USP2014098826669.
  10. Bouchard, Richard; Girard, Gaetan; Pronovost, Christian. Gas turbine exhaust case with acoustic panels. USP2015129200537.
  11. Todorovic, Predrag. Gas turbine exhaust cone. USP2014078776946.
  12. Joshi, Ninad; Girard, Gaetan. Gas turbine exhaust having reduced jet noise. USP2016089416752.
  13. Todorovic, Predrag. Gas-turbine exhaust cone. USP2012118307945.
  14. Todorovic, Predrag. Gas-turbine exhaust cone with three-dimensionally profiled partition wall and plate-type wall element. USP2013078479877.
  15. Aten, Michael. Pylon with noise attenuating fairing. USP2017089725183.
  16. Nampy, Sreenivas Narayanan; Adams, David M.. Structural, cellular core with corrugated support walls. USP2017099764818.
  17. Bouchard, Richard; Trottier, Daniel; Girard, Gaetan. Strut mounting arrangement for gas turbine exhaust case. USP2015028944753.