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특허 상세정보

Pilot cones for dry low-NO.sub.x combustors

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F23R-003/14    F23R-003/34   
미국특허분류(USC) 607/47 ; 607/48
출원번호 US-0002546 (1998-01-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Eckert Seamans Cherin & Mellott, LLC
인용정보 피인용 횟수 : 32  인용 특허 : 8
초록

A gas turbine combustor is provided having a nozzle housing adjacent to a main combustion zone, a diffusion fuel pilot nozzle, at least one main nozzle extending through the nozzle housing and attached thereto, and a parabolic pilot cone projecting from the vicinity of an injection port of the pilot nozzle. The parabolic pilot cone has a diverged end adjacent to the main combustion zone, and a parabolic profile forming a pilot flame zone adjacent to the injection port and the diverged end. The increased volume of the pilot flame zone provide a more stabl...

대표
청구항

[ What is claimed is:] [1.] A gas turbine combustor, comprising:a nozzle housing having a nozzle housing base, a main combustion zone located adjacent to said nozzle housing;a diffusion fuel pilot nozzle having a pilot fuel injection port, disposed on the axial centerline of said gas turbine combustor upstream of the main combustion zone, said pilot nozzle extending through said nozzle housing and attached to the nozzle housing base;at least one main nozzle parallel to said pilot nozzle, said main nozzle extending through said nozzle housing and attached...

이 특허에 인용된 특허 (8)

  1. Fukue Ichiro (Takasago JPX) Mandai Shigemi (Takasago JPX) Tanaka Katsunori (Takasago JPX) Kawabata Hitoshi (Takasago JPX) Sato Nobuo (Takasago JPX) Nishida Hiroyuki (Takasago JPX) Gora Tetsuo (Takasa. Combustor for gas turbines with diverging pilot nozzle cone. USP1995055410884.
  2. Taniguchi Masayuki (Katsuta JPX) Kobayashi Hironobu (Katsuta JPX) Narato Kiyoshi (Ibaraki JPX) Murakami Tadayoshi (Hitachi JPX) Azuhata Shigeru (Hitachi JPX) Kuroda Michio (Hitachi JPX) Hayashi Noriy. Gas turbine combustor and gas turbine generating apparatus. USP1994095349812.
  3. Urushidani Haruo (Hitachi JPX) Kirikami Seiichi (Hitachi JPX) Sato Isao (Hitachi JPX) Shimizu Nobuo (Hitachi JPX) Arai Osamu (Hitachi JPX) Shimura Akira (Hitachi JPX) Kuroda Michio (Hitachi JPX) Koga. Gas turbine combustor and methodd of operating the same. USP1992065121597.
  4. Mandai Shigemi,JPX ; Kawabata Hitoshi,JPX ; Nishida Koichi,JPX. Gas turbine combustor having multiple burner groups and independently operable pilot fuel injection systems. USP1999055901555.
  5. Brewer John A. (2120 Kensington Blvd. Fort Wayne IN 46805). Jet engine with compressor driven by a ram air turbine. USP1977104051671.
  6. Mumford Stephen E. (Longwood FL) Parker David M. (Oviedo FL). Low NOx combustor retro-fit system for gas turbines. USP1995055415000.
  7. Green Alex E. S. (Gainesville FL) Green Bruce A. S. (Micanopy FL) Wagner John C. (Gainesville FL). Radiation enhancement in oil/coal boilers converted to natural gas. USP1991095048433.
  8. Snyder Timothy S. (Glastonbury CT) Rosfjord Thomas J. (South Windsor CT) McVey John B. (Glastonbury CT) Hu Aaron S. (Hartford CT) Schlein Barry C. (Wethersfield CT). Tangential entry fuel nozzle. USP1995105461865.

이 특허를 인용한 특허 피인용횟수: 32

  1. Ryan, William R.. Alternately swirling mains in lean premixed gas turbine combustors. USP2016119500368.
  2. Böttcher, Andreas; Krieger, Tobias; Vogtmann, Daniel; Wörz, Ulrich. Burner assembly including a fuel distribution ring with a slot and recess. USP2015089103552.
  3. Joshi, Ajay; Yee, David. Catalyst module overheating detection and methods of response. USP2011077975489.
  4. Bland,Robert; Bandaru,Ramarao V.; Battaglioli,John. Catalytic combustion system and method. USP2006087096671.
  5. Stoia, Lucas John; Melton, Patrick Benedict; Romig, Bryan Wesley. Combustor and method for supplying fuel to a combustor. USP2015049016039.
  6. Hirasaki, Takeo. Combustor of a gas turbine having a nozzle pipe stand. USP2005106957537.
  7. Schneider, Anton; Morgenthaler, Klaus; Burkard, Moritz; Dittmann, Rolf. Control of primary measures for reducing the formation of thermal nitrogen oxides in gas turbines. USP2003076584775.
  8. Yee,David K.; Velasco,Marco A.; Nickolas,Sarento G.; Dalla Betta,Ralph A.. Control strategy for flexible catalytic combustion system. USP2006107121097.
  9. Yee, David K.; Corr, II, Robert Anthony; Nickolas, Sarento George. Design and control strategy for catalytic combustion system with a wide operating range. USP2004096796129.
  10. Yee,David K.; Reppen,Dag. Dynamic control system and method for multi-combustor catalytic gas turbine engine. USP2006127152409.
  11. Dutta, Partha; Smith, Kenneth O.; Ritz, Frank J.. Flow conditioner for fuel injector for combustor and method for low-NOx combustor. USP2013098528334.
  12. Gambacorta, Domenico; Johnson, Clifford E.. Forward-section resonator for high frequency dynamic damping. USP2013088516819.
  13. Tanaka,Katsunori; Yoshida,Katsuya. Fuel injection nozzle for gas turbine combustor, gas turbine combustor, and gas turbine. USP2007027171813.
  14. Colmegna, Giacomo; Wörz, Ulrich; Van Kampen, Jaap. Fuel nozzle with flower shaped nozzle tube. USP2015028959922.
  15. Prade, Bernd. Gas turbine combustion chamber. USP2015119194587.
  16. Doerr,Thomas; Lazik,Waldemar. Gas turbine combustion chamber with defined fuel input for the improvement of the homogeneity of the fuel-air mixture. USP2006087086234.
  17. Inoue, Kei; Saito, Keijiro; Matsumura, Yoshikazu; Nakamura, Sosuke. Gas turbine combustor. USP2017109791149.
  18. Inoue, Kei; Saito, Keijiro; Matsumura, Yoshikazu; Nakamura, Sosuke. Gas turbine combustor. USP2017049612013.
  19. Inoue, Kei; Saito, Keijiro; Matsumura, Yoshikazu; Nakamura, Sosuke. Gas turbine combustor. USP2014088794004.
  20. Mandai, Shigemi; Gora, Tetsuo; Tanaka, Katsunori; Nishida, Kouichi. Gas turbine combustor. USP2003106631614.
  21. Bailey, Donald Mark; Berry, Jonathan Dwight; Flamand, Luis Manuel; Kim, Kwanwoo; Melton, Patrick Benedict; Rohrssen, Robert Joseph; Vanselow, John Drake. Gas turbine engine combustor with lobed, three dimensional contouring. USP2015018938978.
  22. Ryan, William R.. Gas turbine pilot burner and method. USP2003126666029.
  23. Rackwitz, Leif; Bagchi, Imon-Kalyan; Doerr, Thomas. Gas-turbine lean combustor with fuel nozzle with controlled fuel inhomogeneity. USP2014028646275.
  24. Ohta, Masataka; Mandai, Shigemi; Aoyama, Kuniaki; Tanaka, Katsunori; Akamatsu, Shinji; Nakajima, Hisanari; Tachibana, Teruya; Nishida, Koichi; Akizuki, Wataru; Kasai, Yoshikuni; Hashimura, Jyunji. Installation structure of pilot nozzle of combustor. USP2010047694521.
  25. Hadley, Mark Allan. Method and apparatus for generating combustion products within a gas turbine engine. USP2009127624578.
  26. Dalla Betta, Ralph A.; Velasco, Marco A.; Yee, David K.; Nickolas, Sarento G.. Method of thermal NOx reduction in catalytic combustion systems. USP2004046718772.
  27. Mao, Chien-Pei; Short, John Earl; Thomson, Neal A.. Multiplex injector. USP2004066755024.
  28. Akagi, Kouichi; Ichiryu, Taku; Matsui, Kazuhiro. Pilot nozzle for a gas turbine combustor and supply path converter. USP2005036862888.
  29. Stuttaford, Peter; Kojovic, Aleksandar. Swirled diffusion dump combustor. USP2003036530222.
  30. Huntington, Richard A.; Dhanuka, Sulabh K.; Slobodyanskiy, Ilya Aleksandrovich. System and method for load control with diffusion combustion in a stoichiometric exhaust gas recirculation gas turbine system. USP20190210215412.
  31. Romig, Bryan Wesley; Stoia, Lucas John; Melton, Patrick Benedict; Johnson, Thomas Edward; Boardman, Gregory Allen. System for supplying fuel to a late-lean fuel injector of a combustor. USP2015129200808.
  32. Davis, Jr., Lewis Berkley; Citeno, Joseph Vincent; Johnson, Thomas Edward; Ziminsky, Willy Steve. Traversing fuel nozzles in cap-less combustor assembly. USP2014118887507.