JP5002121B2 - ガスタービンエンジンの燃焼器を冷却するための方法及び装置 - Google Patents
ガスタービンエンジンの燃焼器を冷却するための方法及び装置 Download PDFInfo
- Publication number
- JP5002121B2 JP5002121B2 JP2004207992A JP2004207992A JP5002121B2 JP 5002121 B2 JP5002121 B2 JP 5002121B2 JP 2004207992 A JP2004207992 A JP 2004207992A JP 2004207992 A JP2004207992 A JP 2004207992A JP 5002121 B2 JP5002121 B2 JP 5002121B2
- Authority
- JP
- Japan
- Prior art keywords
- combustor
- flare cone
- splash plate
- cooling
- flare
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
- F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
- F23R3/14—Air inlet arrangements for primary air inducing a vortex by using swirl vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03044—Impingement cooled combustion chamber walls or subassemblies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
16 燃焼器
70 ドーム組立体
76 単体構造の本体
77 スプラッシュプレート
78 フレアコーン
82 燃焼器の中心軸線
90 空気スワーラ
190 スプラッシュプレート及びフレアコーン間のギャップ
200 冷却通路
Claims (7)
- ガスタービンエンジン用の燃焼器(16)であって、
単体構造の本体(76)を備えた、中心線(82)を有するドーム組立体(70)を含み、
前記単体構造の本体が、スプラッシュプレート(77)と、フレアコーンエルボ(146)を備えるフレアコーン(78)とを含み、
前記フレアコーン(78)は、該フレアコーン(78)の上流側端縁から前記フレアコーンエルボ(146)まで延びる第1の部分と、前記フレアコーンエルボ(146)から該フレアコーン(78)の下流側端縁(148)まで発散形に外向きに延びる第2の部分とを備え、
前記スプラッシュプレート(77)は、該スプラッシュプレート(77)の上流側端縁から下流方向に延びるフランジ部分(160)と、該フランジ部分(160)より下流に位置し、スプラッシュプレートエルボ(180)を備える発散形部分(162)とを備え、
前記スプラッシュプレートの前記発散形部分(162)は、
前記フランジ部分(160)の下流側端部から前記スプラッシュプレートエルボ(180)までの間では前記フレアコーン(78)の前記第2の部分とほぼ平行に配向されており、
前記スプラッシュプレートの下流側端縁(168)まで更に外向きの発散形に延びており、
前記本体内で前記スプラッシュプレート(77)の前記第1の部分と前記フレアコーン(78)の前記フランジ部分との間には、少なくとも1つの冷却通路(200)が形成され、
前記少なくとも1つの冷却通路(200)は、冷却空気を前記ドーム組立体の中心線(82)とほぼ平行な方向に吐出して前記ドーム組立体の少なくとも一部を冷却する、
燃焼器。 - 前記少なくとも1つの冷却通路(200)が、その中に冷却空気を受けて前記フレアコーン(78)の少なくとも一部をインピンジメント冷却するように配置されている、請求項1記載の燃焼器(16)。
- 前記少なくとも1つの冷却通路(200)が、複数の円周方向に間隔を置いて配置された冷却通路を含む、請求項1記載の燃焼器(16)。
- 前記少なくとも1つの冷却通路(200)が、前記燃焼器の有効寿命を延ばすのを可能にする、請求項1記載の燃焼器(16)。
- 前記スプラッシュプレート(77)と前記フレアコーン(78)との間に間隔(D1)のギャップ(190)が画成され、前記ギャップの間隔(D1)が、前記少なくとも1つの冷却通路(200)の直径よりも大きい、請求項1記載の燃焼器(16)。
- 前記燃焼器が中心軸線(82)を有し、前記ギャップ(190)が、該ギャップから半径方向外向きに冷却空気を吐出するように画成されている、請求項5記載の燃焼器(16)。
- 前記少なくとも1つの冷却通路(200)が、前記ドーム組立体のフレアコーン(78)内での酸化物の形成を減少させるのを可能にする、請求項1記載の燃焼器(16)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/620,926 US6986253B2 (en) | 2003-07-16 | 2003-07-16 | Methods and apparatus for cooling gas turbine engine combustors |
US10/620,926 | 2003-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005037122A JP2005037122A (ja) | 2005-02-10 |
JP5002121B2 true JP5002121B2 (ja) | 2012-08-15 |
Family
ID=33477103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004207992A Expired - Fee Related JP5002121B2 (ja) | 2003-07-16 | 2004-07-15 | ガスタービンエンジンの燃焼器を冷却するための方法及び装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6986253B2 (ja) |
EP (1) | EP1498661A3 (ja) |
JP (1) | JP5002121B2 (ja) |
CN (1) | CN100353117C (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1312865A1 (de) * | 2001-11-15 | 2003-05-21 | Siemens Aktiengesellschaft | Ringbrennkammer für eine Gasturbine |
US7104067B2 (en) * | 2002-10-24 | 2006-09-12 | General Electric Company | Combustor liner with inverted turbulators |
US7845549B2 (en) * | 2006-05-31 | 2010-12-07 | General Electric Company | MIM braze preforms |
US7748221B2 (en) * | 2006-11-17 | 2010-07-06 | Pratt & Whitney Canada Corp. | Combustor heat shield with variable cooling |
US7721548B2 (en) * | 2006-11-17 | 2010-05-25 | Pratt & Whitney Canada Corp. | Combustor liner and heat shield assembly |
US7681398B2 (en) * | 2006-11-17 | 2010-03-23 | Pratt & Whitney Canada Corp. | Combustor liner and heat shield assembly |
US9062563B2 (en) * | 2008-04-09 | 2015-06-23 | General Electric Company | Surface treatments for preventing hydrocarbon thermal degradation deposits on articles |
US8056343B2 (en) * | 2008-10-01 | 2011-11-15 | General Electric Company | Off center combustor liner |
US8100632B2 (en) * | 2008-12-03 | 2012-01-24 | General Electric Company | Cooling system for a turbomachine |
US10378775B2 (en) | 2012-03-23 | 2019-08-13 | Pratt & Whitney Canada Corp. | Combustor heat shield |
US10260748B2 (en) | 2012-12-21 | 2019-04-16 | United Technologies Corporation | Gas turbine engine combustor with tailored temperature profile |
FR3022985B1 (fr) * | 2014-06-25 | 2019-06-21 | Safran Aircraft Engines | Systeme d'injection pour chambre de combustion de turbomachine configure pour une injection directe de deux nappes de carburant coaxiales |
EP2960580A1 (en) * | 2014-06-26 | 2015-12-30 | General Electric Company | Conical-flat heat shield for gas turbine engine combustor dome |
EP3026345B1 (en) * | 2014-11-25 | 2019-03-20 | United Technologies Corporation | Nozzle guide with internal cooling for a gas turbine engine combustor |
US10428736B2 (en) | 2016-02-25 | 2019-10-01 | General Electric Company | Combustor assembly |
US10544793B2 (en) * | 2017-01-25 | 2020-01-28 | General Electric Company | Thermal isolation structure for rotating turbine frame |
GB201802251D0 (en) | 2018-02-12 | 2018-03-28 | Rolls Royce Plc | An air swirler arrangement for a fuel injector of a combustion chamber |
US11649964B2 (en) | 2020-12-01 | 2023-05-16 | Raytheon Technologies Corporation | Fuel injector assembly for a turbine engine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219653B (en) * | 1987-12-18 | 1991-12-11 | Rolls Royce Plc | Improvements in or relating to combustors for gas turbine engines |
GB9018014D0 (en) * | 1990-08-16 | 1990-10-03 | Rolls Royce Plc | Gas turbine engine combustor |
US5321951A (en) * | 1992-03-30 | 1994-06-21 | General Electric Company | Integral combustor splash plate and sleeve |
US5419115A (en) * | 1994-04-29 | 1995-05-30 | United Technologies Corporation | Bulkhead and fuel nozzle guide assembly for an annular combustion chamber |
US5924288A (en) * | 1994-12-22 | 1999-07-20 | General Electric Company | One-piece combustor cowl |
US5623827A (en) * | 1995-01-26 | 1997-04-29 | General Electric Company | Regenerative cooled dome assembly for a gas turbine engine combustor |
US5630319A (en) * | 1995-05-12 | 1997-05-20 | General Electric Company | Dome assembly for a multiple annular combustor |
US5970716A (en) * | 1997-10-02 | 1999-10-26 | General Electric Company | Apparatus for retaining centerbody between adjacent domes of multiple annular combustor employing interference and clamping fits |
US6279323B1 (en) * | 1999-11-01 | 2001-08-28 | General Electric Company | Low emissions combustor |
US6442940B1 (en) * | 2001-04-27 | 2002-09-03 | General Electric Company | Gas-turbine air-swirler attached to dome and combustor in single brazing operation |
US6581386B2 (en) * | 2001-09-29 | 2003-06-24 | General Electric Company | Threaded combustor baffle |
FR2832493B1 (fr) * | 2001-11-21 | 2004-07-09 | Snecma Moteurs | Systeme d'injection multi-etages d'un melange air/carburant dans une chambre de combustion de turbomachine |
-
2003
- 2003-07-16 US US10/620,926 patent/US6986253B2/en not_active Expired - Lifetime
-
2004
- 2004-07-13 EP EP04254172A patent/EP1498661A3/en not_active Withdrawn
- 2004-07-15 JP JP2004207992A patent/JP5002121B2/ja not_active Expired - Fee Related
- 2004-07-16 CN CNB2004100712267A patent/CN100353117C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1576544A (zh) | 2005-02-09 |
US20050011196A1 (en) | 2005-01-20 |
EP1498661A2 (en) | 2005-01-19 |
EP1498661A3 (en) | 2012-11-28 |
JP2005037122A (ja) | 2005-02-10 |
CN100353117C (zh) | 2007-12-05 |
US6986253B2 (en) | 2006-01-17 |
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