JP5604521B2 - アダプティブコアエンジンの運転方法 - Google Patents
アダプティブコアエンジンの運転方法 Download PDFInfo
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- JP5604521B2 JP5604521B2 JP2012531055A JP2012531055A JP5604521B2 JP 5604521 B2 JP5604521 B2 JP 5604521B2 JP 2012531055 A JP2012531055 A JP 2012531055A JP 2012531055 A JP2012531055 A JP 2012531055A JP 5604521 B2 JP5604521 B2 JP 5604521B2
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- Prior art keywords
- compressor
- rear block
- block
- power mode
- pressure ratio
- 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.)
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- 230000003044 adaptive effect Effects 0.000 title description 29
- 230000007704 transition Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 14
- 238000010926 purge Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 9
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- 238000007906 compression Methods 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 5
- 230000036961 partial effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/075—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type controlling flow ratio between flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Turbines (AREA)
Description
Claims (13)
- 圧縮機の運転方法であって、
高出力モード運転時に前側ブロック圧縮機を動作させて流体の圧力を第1の圧力比に増加させるステップと、
前記前側ブロック圧縮機に結合される後側ブロック圧縮機を、前記前側ブロック圧縮機と前記後側ブロック圧縮機とが同じ物理的速度で動作するように動作させるステップと、
後側ブロック静翼を閉じて、前記高出力モード運転中は、パージ流を除く、前記後側ブロック圧縮機に流入する前記流体流を実質的に遮断するステップと、
前記高出力モード運転中は、ブロッカードアを開いたままにして、前記前側ブロック圧縮機により加圧される前記流体の実質的に全量がパイパス流路を通るようにするステップと、を含む方法。 - 前側ブロック圧縮機静翼を実質的に開いたままに保つステップを更に含む、請求項1に記載の方法。
- 前記前側ブロック圧縮機静翼が、前記前側ブロックの補正速度をほぼ一定に保つようにスケジューリングされる、請求項2に記載の方法。
- 後側ブロック静翼を開いて、前記後側ブロック圧縮機で前記前側ブロック圧縮機から流入する前記流体の少なくとも一部分を受けることにより、前記後側ブロック圧縮機の運転を前記高出力モードから低出力モードに遷移させるステップを更に含む、請求項1に記載の方法。
- 前記遷移させるステップが、前記ブロッカードアを実質的に閉じるステップを含む、請求項4に記載の方法。
- 前記ブロッカードアを操作して閉位置につけることで、前記バイパス流路内の逆流をなくす、請求項5に記載の方法。
- 前記ブロッカードアを操作して閉位置につけることで、前記後側ブロック圧縮機内での流れの再循環をなくす、請求項3に記載の方法。
- 遷移後の前記低出力モード時の全体圧力比が前記遷移前の前記高出力モード時の前記全体圧力比と実質的に同じになるように、前記ブロッカードアと後側ブロック静翼と前側ブロック静翼とを操作する、請求項5に記載の方法。
- 前記高出力モードから前記低出力モードへの前記遷移中は、可変面積タービンノズルが実質的に固定位置に維持される、請求項4に記載の方法。
- 前記後側ブロック圧縮機の下流に配置される可変面積高出力タービンノズルの面積を縮小することにより、前記後側ブロックの圧力比を増加させるステップを更に含む、請求項5に記載の方法。
- 前記後側ブロック圧縮機の下流に配置される可変面積低出力タービンノズルの面積を縮小することにより、前記後側ブロックの圧力比を増加させるステップを更に含む、請求項5に記載の方法。
- 前記後側ブロック圧縮機の下流に配置される排気ノズルの面積を縮小することにより、前記後側ブロックの圧力比を増加させるステップを更に含む、請求項5に記載の方法。
- 安全弁を開いて前記バイパス流路内の流れの一部分を逃がすステップを更に含む、請求項1に記載の方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24607809P | 2009-09-25 | 2009-09-25 | |
US61/246,078 | 2009-09-25 | ||
US24775209P | 2009-10-01 | 2009-10-01 | |
US61/247,752 | 2009-10-01 | ||
US12/871,073 | 2010-08-30 | ||
US12/871,073 US8622687B2 (en) | 2009-09-25 | 2010-08-30 | Method of operating adaptive core engines |
PCT/US2010/050149 WO2011038196A1 (en) | 2009-09-25 | 2010-09-24 | Method of operating adaptive core engines |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013506080A JP2013506080A (ja) | 2013-02-21 |
JP5604521B2 true JP5604521B2 (ja) | 2014-10-08 |
Family
ID=43780598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012531055A Expired - Fee Related JP5604521B2 (ja) | 2009-09-25 | 2010-09-24 | アダプティブコアエンジンの運転方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8622687B2 (ja) |
EP (1) | EP2480769B1 (ja) |
JP (1) | JP5604521B2 (ja) |
CA (1) | CA2775142A1 (ja) |
WO (1) | WO2011038196A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015069334A2 (en) * | 2013-08-07 | 2015-05-14 | United Technologies Corporation | Variable area turbine arrangement for a gas turbine engine |
US9869190B2 (en) | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
US10253648B2 (en) | 2016-03-04 | 2019-04-09 | General Electric Company | Modulated hybrid variable area turbine nozzle for gas turbine engine |
US10137981B2 (en) * | 2017-03-31 | 2018-11-27 | General Electric Company | Electric propulsion system for an aircraft |
CN112392628B (zh) * | 2019-08-15 | 2022-07-12 | 中国航发商用航空发动机有限责任公司 | 航空发动机核心机、控制方法和航空发动机 |
FR3101671B1 (fr) * | 2019-10-04 | 2022-05-06 | Safran Aircraft Engines | Turbomachine comportant des moyens de réduction du débit d’air de la veine primaire pilotés par des moteurs électriques |
US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296800A (en) | 1967-01-10 | Gas turbine power plant | ||
CA1020365A (en) | 1974-02-25 | 1977-11-08 | James E. Johnson | Modulating bypass variable cycle turbofan engine |
US4010608A (en) * | 1975-06-16 | 1977-03-08 | General Electric Company | Split fan work gas turbine engine |
DE2834860A1 (de) * | 1978-08-09 | 1980-03-13 | Motoren Turbinen Union | Verstellbarer stroemungsteiler fuer stroemungsmaschinen, insbesondere gasturbinenstrahltriebwerke |
US5775092A (en) * | 1995-11-22 | 1998-07-07 | General Electric Company | Variable size gas turbine engine |
US5623823A (en) * | 1995-12-06 | 1997-04-29 | United Technologies Corporation | Variable cycle engine with enhanced stability |
US5809772A (en) | 1996-03-29 | 1998-09-22 | General Electric Company | Turbofan engine with a core driven supercharged bypass duct |
US6981842B2 (en) * | 2003-07-22 | 2006-01-03 | Honeywell International, Inc. | Bleed valve system |
US7140174B2 (en) | 2004-09-30 | 2006-11-28 | General Electric Company | Methods and apparatus for assembling a gas turbine engine |
US7926290B2 (en) * | 2006-12-18 | 2011-04-19 | General Electric Company | Turbine engine with modulated flow fan and method of operation |
US7877980B2 (en) * | 2006-12-28 | 2011-02-01 | General Electric Company | Convertible gas turbine engine |
-
2010
- 2010-08-30 US US12/871,073 patent/US8622687B2/en active Active
- 2010-09-24 EP EP10766163.9A patent/EP2480769B1/en not_active Not-in-force
- 2010-09-24 CA CA2775142A patent/CA2775142A1/en not_active Abandoned
- 2010-09-24 WO PCT/US2010/050149 patent/WO2011038196A1/en active Application Filing
- 2010-09-24 JP JP2012531055A patent/JP5604521B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2480769A1 (en) | 2012-08-01 |
WO2011038196A1 (en) | 2011-03-31 |
US20110076158A1 (en) | 2011-03-31 |
US8622687B2 (en) | 2014-01-07 |
CA2775142A1 (en) | 2011-03-31 |
JP2013506080A (ja) | 2013-02-21 |
EP2480769B1 (en) | 2015-06-03 |
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