JP5676665B2 - ガスタービンエンジン - Google Patents
ガスタービンエンジン Download PDFInfo
- Publication number
- JP5676665B2 JP5676665B2 JP2013038267A JP2013038267A JP5676665B2 JP 5676665 B2 JP5676665 B2 JP 5676665B2 JP 2013038267 A JP2013038267 A JP 2013038267A JP 2013038267 A JP2013038267 A JP 2013038267A JP 5676665 B2 JP5676665 B2 JP 5676665B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- shaft
- turbine engine
- turbine
- gear
- 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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Links
- 230000009467 reduction Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 26
- 230000002093 peripheral effect Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- 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
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- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
- F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
-
- 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
- F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
- F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
-
- 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
-
- 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
- F02K3/072—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 counter-rotating, e.g. fan rotors
-
- 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
- F05D2250/00—Geometry
- F05D2250/40—Movement of components
- F05D2250/44—Movement of components by counter rotation
-
- 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
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
-
- 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)
- Retarders (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (11)
- コア流路と、
前記コア流路内に配置された圧縮機セクションおよびタービンセクションに接続されてなるシャフトと、
を備え、
前記タービンセクションは、逆回転低圧タービンを有し、
前記逆回転低圧タービンは、
外側ブレードセットを有した外側ロータと、
回転軸を中心に前記外側ロータとは反対方向に回転するように構成される、前記外側ブレードセットに挿入された内側ブレードセットを有した内側ロータと、
前記外側ブレードセットよりも高速で前記内側ブレードセットを回転させるように構成される、前記シャフトに前記内側ロータおよび前記外側ロータを接続するスプリッタ歯車装置であって、前記内側ロータおよび前記外側ロータの上流側に配置されたスプリッタ歯車装置と、
を備え、
前記スプリッタ歯車装置は、外側ケース部へと延びる中央タービンフレームに支持されることを特徴とするガスタービンエンジン。 - 前記スプリッタ歯車装置は、前記内側ロータに接続された太陽歯車と、該太陽歯車と噛み合う複数のスプリッタ歯車と、該スプリッタ歯車と噛み合う輪歯車とを備えることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記太陽歯車は、前記内側ロータの前方端部と共に回転するように固定されることを特徴とする請求項2に記載のガスタービンエンジン。
- 前記スプリッタ歯車は、キャリアによって支持され、該キャリアは、前記シャフトに固定されることを特徴とする請求項2に記載のガスタービンエンジン。
- 前記外側ロータの前方端部が、前記輪歯車に接続され、前記前方端部は、第1の軸受によって前記中央タービンフレームに支持され、前記外側ロータの後方端部が、第2の軸受によって前記シャフトに支持されることを特徴とする請求項2に記載のガスタービンエンジン。
- 前記シャフトに対し回転するように前記内側ロータの前方端部を支持する第1の軸受と、前記シャフトに対し回転するように前記内側ロータの後方端部を支持する第2の軸受とをさらに備えることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記中央タービンフレームに対し回転するように前記シャフトを支持する第3の軸受を備えることを特徴とする請求項6に記載のガスタービンエンジン。
- 前記第1の軸受、前記第2の軸受および前記第3の軸受は、前記回転軸に沿って軸方向に互いに離間し、前記第3の軸受は、前記第1の軸受の前側に配置されることを特徴とする請求項7に記載のガスタービンエンジン。
- 低圧タービン静止ケースをさらに備え、該低圧タービン静止ケースは、支持されていない後方端部と、前記中央タービンフレームに接続された前方端部とを備えることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記シャフトに接続されたファンをさらに備え、前記スプリッタ歯車装置は、3対1以上の歯車減速比を提供することを特徴とする請求項1に記載のガスタービンエンジン。
- 23対1の圧力比を有した高圧圧縮機を備えることを特徴とする請求項1に記載のガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/408,229 US9028200B2 (en) | 2012-02-29 | 2012-02-29 | Counter rotating low pressure turbine with splitter gear system |
US13/408,229 | 2012-02-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013181542A JP2013181542A (ja) | 2013-09-12 |
JP5676665B2 true JP5676665B2 (ja) | 2015-02-25 |
Family
ID=49003058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013038267A Active JP5676665B2 (ja) | 2012-02-29 | 2013-02-28 | ガスタービンエンジン |
Country Status (8)
Country | Link |
---|---|
US (1) | US9028200B2 (ja) |
EP (1) | EP2820265B1 (ja) |
JP (1) | JP5676665B2 (ja) |
CN (1) | CN103291453B (ja) |
BR (1) | BR102013001741B1 (ja) |
CA (1) | CA2805282C (ja) |
SG (1) | SG11201405142SA (ja) |
WO (1) | WO2013172906A2 (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130219859A1 (en) * | 2012-02-29 | 2013-08-29 | Gabriel L. Suciu | Counter rotating low pressure compressor and turbine each having a gear system |
US10094277B2 (en) | 2014-06-20 | 2018-10-09 | United Technologies Corporation | Gas turbine engine configured for modular assembly/disassembly and method for same |
US10072571B2 (en) | 2015-01-15 | 2018-09-11 | United Technologies Corporation | Gas turbine engine split torque fan drive gear system |
US10669946B2 (en) | 2015-06-05 | 2020-06-02 | Raytheon Technologies Corporation | Geared architecture for a gas turbine engine |
US10801442B2 (en) | 2017-02-08 | 2020-10-13 | General Electric Company | Counter rotating turbine with reversing reduction gear assembly |
US10465606B2 (en) | 2017-02-08 | 2019-11-05 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
US10823114B2 (en) | 2017-02-08 | 2020-11-03 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
CN106953465B (zh) * | 2017-04-28 | 2024-05-14 | 杭州金潮酒业有限公司 | 轮毂型磁阻开关发电机 |
US10914194B2 (en) | 2017-09-20 | 2021-02-09 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US11098592B2 (en) | 2017-09-20 | 2021-08-24 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10823000B2 (en) | 2017-09-20 | 2020-11-03 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10781717B2 (en) | 2017-09-20 | 2020-09-22 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10738617B2 (en) | 2017-09-20 | 2020-08-11 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10815881B2 (en) | 2017-09-20 | 2020-10-27 | General Electric Company | Counter rotating turbine with reversing speed reduction assembly |
US10823001B2 (en) * | 2017-09-20 | 2020-11-03 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10508546B2 (en) | 2017-09-20 | 2019-12-17 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10746047B2 (en) | 2017-10-27 | 2020-08-18 | General Electric Company | Structure for mitigating vibratory modes of counter-rotating engine rotors |
US11156097B2 (en) | 2019-02-20 | 2021-10-26 | General Electric Company | Turbomachine having an airflow management assembly |
US11073088B2 (en) | 2019-02-20 | 2021-07-27 | General Electric Company | Gearbox mounting in a turbomachine |
US11753939B2 (en) | 2019-02-20 | 2023-09-12 | General Electric Company | Turbomachine with alternatingly spaced rotor blades |
US11085515B2 (en) | 2019-02-20 | 2021-08-10 | General Electric Company | Gearbox coupling in a turbomachine |
US11021970B2 (en) | 2019-02-20 | 2021-06-01 | General Electric Company | Turbomachine with alternatingly spaced rotor blades |
US11118535B2 (en) | 2019-03-05 | 2021-09-14 | General Electric Company | Reversing gear assembly for a turbo machine |
US11428160B2 (en) | 2020-12-31 | 2022-08-30 | General Electric Company | Gas turbine engine with interdigitated turbine and gear assembly |
Family Cites Families (22)
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US4969325A (en) | 1989-01-03 | 1990-11-13 | General Electric Company | Turbofan engine having a counterrotating partially geared fan drive turbine |
US5361580A (en) * | 1993-06-18 | 1994-11-08 | General Electric Company | Gas turbine engine rotor support system |
US6763652B2 (en) | 2002-09-24 | 2004-07-20 | General Electric Company | Variable torque split aircraft gas turbine engine counter rotating low pressure turbines |
GB2408072A (en) * | 2003-11-15 | 2005-05-18 | Rolls Royce Plc | Contra rotatable turbine system |
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-
2012
- 2012-02-29 US US13/408,229 patent/US9028200B2/en active Active
-
2013
- 2013-01-23 BR BR102013001741-8A patent/BR102013001741B1/pt active IP Right Grant
- 2013-02-06 CA CA2805282A patent/CA2805282C/en active Active
- 2013-02-25 SG SG11201405142SA patent/SG11201405142SA/en unknown
- 2013-02-25 WO PCT/US2013/027553 patent/WO2013172906A2/en active Application Filing
- 2013-02-25 EP EP13790583.2A patent/EP2820265B1/en active Active
- 2013-02-28 JP JP2013038267A patent/JP5676665B2/ja active Active
- 2013-02-28 CN CN201310063438.XA patent/CN103291453B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
BR102013001741B1 (pt) | 2022-04-12 |
US9028200B2 (en) | 2015-05-12 |
WO2013172906A3 (en) | 2014-01-09 |
SG11201405142SA (en) | 2014-10-30 |
CN103291453B (zh) | 2016-01-06 |
JP2013181542A (ja) | 2013-09-12 |
CN103291453A (zh) | 2013-09-11 |
WO2013172906A2 (en) | 2013-11-21 |
EP2820265A2 (en) | 2015-01-07 |
US20130223983A1 (en) | 2013-08-29 |
BR102013001741A2 (pt) | 2015-05-12 |
CA2805282C (en) | 2016-11-08 |
CA2805282A1 (en) | 2013-08-29 |
EP2820265A4 (en) | 2015-11-04 |
EP2820265B1 (en) | 2019-05-08 |
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