JP2010101309A5 - - Google Patents

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Publication number
JP2010101309A5
JP2010101309A5 JP2009187600A JP2009187600A JP2010101309A5 JP 2010101309 A5 JP2010101309 A5 JP 2010101309A5 JP 2009187600 A JP2009187600 A JP 2009187600A JP 2009187600 A JP2009187600 A JP 2009187600A JP 2010101309 A5 JP2010101309 A5 JP 2010101309A5
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Japan
Prior art keywords
nozzle
central body
passage
cooling
wall
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JP2009187600A
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English (en)
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JP2010101309A (ja
JP5530131B2 (ja
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Priority claimed from US12/256,901 external-priority patent/US8312722B2/en
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Publication of JP2010101309A publication Critical patent/JP2010101309A/ja
Publication of JP2010101309A5 publication Critical patent/JP2010101309A5/ja
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Claims (6)

  1. 外周壁(11)および該外周壁(11)に隣接する内周壁であって、前記外周壁(11)および前記内周壁はその間に環状空洞を画成し、前記環状空洞は周辺冷却通路を形成する、前記外周壁および内周壁と、
    前記外壁(11)内に配置されたノズル中央本体(12)であって、
    その遠位の端部の端部壁と、
    前記ノズル中央本体内に画成され、その全長の少なくとも一部に延びるガス燃料通路と、
    前記中央本体(12)内に形成され、その全長の少なくとも部分的に円周方向に延び、冷却流体の流入口を画成するノズル冷却通路と、
    を備えるノズル中央本体と、
    前記ノズル中央本体の近位の端部部分を囲み、空気入口(15)、燃料入口(16)、および該燃料入口(16)を流体連通している複数のベーンを備える、燃料/空気予混合器(14)と、
    を備え、
    前記内周壁(11)と前記ノズル中央本体(12が、その間に、前記燃料/空気予混合器(14)から放出される予混合通路を形成し、
    前記冷却流体は、前記ノズル冷却通路から前記周辺冷却通路に運ばれ、
    前記ノズル冷却通路が、空気源または不活性ガス源と流体連通しており、
    前記周辺冷却通路が、少なくとも1つの出口オリフィスを通って、前記予混合通路と流体連通している、
    燃料ノズル。
  2. 前記ノズル冷却通路が、前記予混合通路(121)と流体連通している、請求項1に記載のノズル。
  3. 前記ノズル冷却通路が、その中に環状にかつ間隔を置いて配置されたリブ(35)を含む、請求項1に記載のノズル。
  4. 前記ノズル中央本体がその中に少なくとも1つの出口オリフィスを画成する外壁を備え、
    前記ノズル冷却通路が、第1の部分および前記第1の部分の全長を同心状に囲む第2の部分(34、134)を含み、
    前記第1の部分が前記ノズル中央本体(12)の前記端部壁で終端し、
    前記第2の部分が、前記端部壁から前記ノズル中央本体(12)の前記外壁内に設置された前記少なくとも1つのオリフィス(146)まで延びる、
    請求項1に記載のノズル。
  5. 前記少なくとも1つのオリフィス(146)が前記予混合通路(120、121)と流体連通している、請求項4に記載のノズル。
  6. 前記複数のベーンが内部冷却通路(42、126)を含み、該複数のベーン内の内部冷却通路が前記ノズル冷却通路及び前記周辺冷却通路と流体連通している、請求項1に記載のノズル。

JP2009187600A 2008-10-23 2009-08-13 ガスタービン燃焼器用の耐保炎性燃料/空気予混合器 Active JP5530131B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/256,901 2008-10-23
US12/256,901 US8312722B2 (en) 2008-10-23 2008-10-23 Flame holding tolerant fuel and air premixer for a gas turbine combustor

Publications (3)

Publication Number Publication Date
JP2010101309A JP2010101309A (ja) 2010-05-06
JP2010101309A5 true JP2010101309A5 (ja) 2013-02-07
JP5530131B2 JP5530131B2 (ja) 2014-06-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009187600A Active JP5530131B2 (ja) 2008-10-23 2009-08-13 ガスタービン燃焼器用の耐保炎性燃料/空気予混合器

Country Status (5)

Country Link
US (1) US8312722B2 (ja)
JP (1) JP5530131B2 (ja)
CN (1) CN101725984B (ja)
CH (1) CH699760A2 (ja)
DE (1) DE102009043830A1 (ja)

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