JP6881887B2 - 単一型低損失軸受及び低密度材料を有する機械駆動構成 - Google Patents
単一型低損失軸受及び低密度材料を有する機械駆動構成 Download PDFInfo
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- JP6881887B2 JP6881887B2 JP2015157864A JP2015157864A JP6881887B2 JP 6881887 B2 JP6881887 B2 JP 6881887B2 JP 2015157864 A JP2015157864 A JP 2015157864A JP 2015157864 A JP2015157864 A JP 2015157864A JP 6881887 B2 JP6881887 B2 JP 6881887B2
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Classifications
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- 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
- F02K3/065—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 with front and aft fans
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/107—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/32—Arrangement, mounting, or driving, of auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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)
- Turbine Rotor Nozzle Sealing (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Rolling Contact Bearings (AREA)
Description
ことができる。
100 ガスタービン駆動式機械駆動構成
104 負荷結合要素
105 圧縮機セクション
110 燃焼器セクション
115 タービンセクション
125 ローター軸
130 ブレード
135 ブレード
140 低損失軸受
160 負荷圧縮機
165 ブレード
Claims (11)
- 圧縮機セクション(105)と、第1のタービンセクション(115)と、前記圧縮機セクション及び前記第1のタービンセクションに作動可能に結合された燃焼器セクション(110)とを有するガスタービン(10)と、
前記ガスタービンによって駆動される負荷圧縮機(160)と、
前記ガスタービンの前記圧縮機セクション及び前記第1のタービンセクションを貫通して延びる第1のローター軸(310)と、
加圧された超低粘度の作動流体を使用して前記第1のタービンセクション及び前記圧縮機セクション(105)の内部で前記第1のローター軸を支持し、少なくとも1つがバックアップ軸受によりバックアップされる第1の低損失軸受(140)である複数の軸受と、
第2のタービンセクション(305)及び前記負荷圧縮機を貫通して延びる第2のローター軸(315)と、
加圧された超低粘度の作動流体を使用して前記第2のタービンセクションの内部で前記第2のローター軸を支持し、少なくとも1つがバックアップ軸受によりバックアップされる第2の低損失軸受(140)である複数の軸受と、
を備える機械駆動構成(110)であって、
前記加圧された超低粘度の作動流体は、水よりも小さな粘度を有し、
前記第1及び第2の低損失軸受(140)は、磁束磁気軸受ではなく、
前記圧縮機セクション、前記第1及び第2のタービンセクション、及び前記負荷圧縮機の各々は、複数の回転構成要素を有し、前記第2のローター軸(315)は、前記第1のローター軸(310)よりも遅い回転速度で回転し、
前記第1のタービンセクションが、低密度材料を含み、前記第1の低損失軸受(140)に支持される第1の回転ブレードを備え、
前記第2のタービンセクションが、低密度材料を含み、前記第1の回転ブレードより長く、前記第2の低損失軸受(140)に支持される第2の回転ブレードを備える、
機械駆動構成。 - 前記第1のローター軸は、単一軸配列を有する、請求項1に記載の機械駆動構成。
- 前記第1のローター軸に沿って前記第1のタービンセクションに作動可能に結合され、複数の回転構成要素を備えた再熱タービンセクションを有する再熱セクションをさらに含み、前記圧縮機セクション、前記第1のタービンセクション、前記負荷圧縮機、及び前記再熱タービンセクションの前記回転構成要素のうちの少なくとも1つは、前記低密度材料を含む、請求項1または2に記載の機械駆動構成。
- 前記ガスタービンは、後端駆動ガスタービンを含む、請求項1乃至3のいずれかに記載の機械駆動構成。
- 前記圧縮機セクションは、前記燃焼器セクションより遠位の前段、前記燃焼器セクションの近位の後段、及びこれらの間に配置された中間段を含み、前記前段、前記中間段、及び前記後段の各々は、複数の回転構成要素を有し、前記圧縮機セクションの前記前段、前記圧縮機セクションの前記中間段、前記圧縮機セクションの前記後段、前記第1のタービンセクションの前記回転構成要素のうちの少なくとも1つは、前記低密度材料を含み、前記機械駆動構成は、前記第1のローター軸の半径方向外側に前記前段を貫通して延びるスタブ軸をさらに含み、前記スタブ軸の周りに配列された前記前段の前記回転構成要素が、前記第1のローター軸の周りに配列された前記中間段及び前記後段の前記回転構成要素よりも遅い回転速度で作動するようになっている、請求項1乃至4のいずれかに記載の機械駆動構成。
- 前記複数の軸受は、前記スタブ軸を支持するスタブ軸軸受を含み、前記スタブ軸軸受のうちの少なくとも1つは、低損失軸受を含む、請求項5に記載の機械駆動構成。
- 前記第1のローター軸に沿って前記第1のタービンセクションに作動可能に結合され、複数の回転構成要素を備えた再熱タービンセクションを有する再熱セクションをさらに含み、前記圧縮機セクションの前記前段、前記圧縮機セクションの前記中間段、前記圧縮機セクションの前記後段、前記第1のタービンセクション、及び前記再熱タービンセクションの前記回転構成要素のうちの少なくとも1つは、前記低密度材料を含む、請求項5に記載の機械駆動構成。
- 前記圧縮機セクションは、低圧圧縮機セクション及び高圧圧縮機セクションを含み、前記第1のタービンセクションは、低圧タービンセクション及び高圧タービンセクションを含み、前記高圧タービンセクションは前記高圧圧縮機セクションを駆動し、前記低圧タービンセクションは前記低圧圧縮機セクションを駆動する、請求項1に記載の機械駆動構成。
- 前記低圧圧縮機セクション、前記高圧圧縮機セクション、前記低圧タービンセクション、及び前記高圧タービンセクションの各々は、複数の回転構成要素を含み、前記低圧圧縮機セクション、前記高圧圧縮機セクション、前記低圧タービンセクション、前記高圧タービンセクションの前記回転構成要素のうちの少なくとも1つは、前記低密度材料を含む、請求項8に記載の機械駆動構成。
- 前記第1及び第2のローター軸は、低速スプール及び高速スプールを有する複式スプール配列を含み、前記低速スプールは、前記低圧タービンセクション及び前記低圧圧縮機セクションを含み、前記高速スプールは、前記高圧タービンセクション及び前記高圧圧縮機セクションを含む、請求項8に記載の機械駆動構成。
- 前記低速スプール及び前記高速スプールは、前記複数の軸受によって支持され、前記軸受のうちの少なくとも1つは、低損失軸受を含む、請求項10に記載の機械駆動構成。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/460,606 | 2014-08-15 | ||
US14/460,606 US20160047335A1 (en) | 2014-08-15 | 2014-08-15 | Mechanical drive architectures with mono-type low-loss bearings and low-density materials |
Publications (2)
Publication Number | Publication Date |
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JP2016041931A JP2016041931A (ja) | 2016-03-31 |
JP6881887B2 true JP6881887B2 (ja) | 2021-06-02 |
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JP2015157864A Active JP6881887B2 (ja) | 2014-08-15 | 2015-08-10 | 単一型低損失軸受及び低密度材料を有する機械駆動構成 |
Country Status (5)
Country | Link |
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US (1) | US20160047335A1 (ja) |
JP (1) | JP6881887B2 (ja) |
CN (1) | CN105370404B (ja) |
CH (1) | CH709996A2 (ja) |
DE (1) | DE102015112764A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10823001B2 (en) * | 2017-09-20 | 2020-11-03 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10677159B2 (en) * | 2017-10-27 | 2020-06-09 | General Electric Company | Gas turbine engine including a dual-speed split compressor |
CN108868892B (zh) * | 2018-01-12 | 2024-04-02 | 刘慕华 | 一种转子系统及其控制方法和燃气轮机发电机组及其控制方法 |
CN112632719B (zh) * | 2020-12-11 | 2022-05-17 | 哈尔滨工程大学 | 一种基于一维平均流线法的多级轴流压气机特性校正方法 |
US11725526B1 (en) | 2022-03-08 | 2023-08-15 | General Electric Company | Turbofan engine having nacelle with non-annular inlet |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2623353A (en) * | 1950-02-01 | 1952-12-30 | Gerard Paul | Combined fluid pressure and mechanical bearing for gas turbine engines |
US3759588A (en) * | 1971-11-12 | 1973-09-18 | Nasa | High speed hybrid bearing comprising a fluid bearing & a rolling bearing connected in series |
US3792586A (en) * | 1973-01-22 | 1974-02-19 | Avco Corp | Bearing assembly systems |
US4222235A (en) * | 1977-07-25 | 1980-09-16 | General Electric Company | Variable cycle engine |
JPS63133637U (ja) * | 1987-02-25 | 1988-09-01 | ||
CA2093683C (en) * | 1992-05-14 | 2002-10-15 | William Miller Farrell | Intercooled gas turbine engine |
US5749700A (en) * | 1996-07-17 | 1998-05-12 | Allison Engine Company, Inc. | High speed, high temperature hybrid magnetic thrust bearing |
EP1395758B1 (fr) * | 2001-06-15 | 2006-03-08 | Societe De Mecanique Magnetique | Palier de secours insensible a la charge axiale |
US6846158B2 (en) * | 2002-09-06 | 2005-01-25 | General Electric Company | Method and apparatus for varying the critical speed of a shaft |
JP2006518824A (ja) * | 2003-02-24 | 2006-08-17 | プラット アンド ホイットニー カナダ コーポレイション | ロータリエンジンと冷却装置とを組み合わせた装置およびロータリエンジンの冷却方法 |
US7204090B2 (en) * | 2004-06-17 | 2007-04-17 | Pratt & Whitney Canada Corp. | Modulated current gas turbine engine starting system |
JP2006211837A (ja) * | 2005-01-28 | 2006-08-10 | Hitachi Ltd | プラント設備 |
EA013921B1 (ru) * | 2006-03-06 | 2010-08-30 | Эксонмобил Апстрим Рисерч Компани | Гидравлический стартер с двухконцевой передачей |
WO2008155242A1 (de) * | 2007-06-19 | 2008-12-24 | Alstom Technology Ltd | Gasturbinenanlage mit abgasrezirkulation |
EP2072899B1 (en) * | 2007-12-19 | 2016-03-30 | Alstom Technology Ltd | Fuel injection method |
JP2011140899A (ja) * | 2010-01-07 | 2011-07-21 | Hitachi Ltd | ガスタービンプラントの改造方法 |
US9051873B2 (en) * | 2011-05-20 | 2015-06-09 | Icr Turbine Engine Corporation | Ceramic-to-metal turbine shaft attachment |
US8770931B2 (en) * | 2011-05-26 | 2014-07-08 | United Technologies Corporation | Hybrid Ceramic Matrix Composite vane structures for a gas turbine engine |
US8814502B2 (en) * | 2011-05-31 | 2014-08-26 | Pratt & Whitney Canada Corp. | Dual input drive AGB for gas turbine engines |
ITFI20110269A1 (it) * | 2011-12-12 | 2013-06-13 | Nuovo Pignone Spa | "turning gear for gas turbine arrangements" |
US9663404B2 (en) * | 2012-01-03 | 2017-05-30 | General Electric Company | Method of forming a ceramic matrix composite and a ceramic matrix component |
US8246292B1 (en) * | 2012-01-31 | 2012-08-21 | United Technologies Corporation | Low noise turbine for geared turbofan engine |
US8935913B2 (en) * | 2012-01-31 | 2015-01-20 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US20130269356A1 (en) * | 2012-04-12 | 2013-10-17 | General Electric Company | Method and system for controlling a stoichiometric egr system on a regenerative reheat system |
ITFI20120245A1 (it) * | 2012-11-08 | 2014-05-09 | Nuovo Pignone Srl | "gas turbine in mechanical drive applications and operating methods" |
US9382910B2 (en) * | 2013-02-28 | 2016-07-05 | Honeywell International Inc. | Auxiliary power units (APUs) and methods and systems for activation and deactivation of a load compressor therein |
WO2015112218A2 (en) * | 2013-11-18 | 2015-07-30 | United Technologies Corporation | Method of attaching a ceramic matrix composite article |
-
2014
- 2014-08-15 US US14/460,606 patent/US20160047335A1/en not_active Abandoned
-
2015
- 2015-08-04 DE DE102015112764.4A patent/DE102015112764A1/de not_active Ceased
- 2015-08-10 JP JP2015157864A patent/JP6881887B2/ja active Active
- 2015-08-13 CH CH01166/15A patent/CH709996A2/de not_active Application Discontinuation
- 2015-08-14 CN CN201510520444.2A patent/CN105370404B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2016041931A (ja) | 2016-03-31 |
CN105370404B (zh) | 2019-06-18 |
CH709996A2 (de) | 2016-02-15 |
US20160047335A1 (en) | 2016-02-18 |
CN105370404A (zh) | 2016-03-02 |
DE102015112764A1 (de) | 2016-02-18 |
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