JP5680258B2 - 歯車減速構成ガスタービンエンジンの可撓性支持構造 - Google Patents
歯車減速構成ガスタービンエンジンの可撓性支持構造 Download PDFInfo
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- JP5680258B2 JP5680258B2 JP2014537383A JP2014537383A JP5680258B2 JP 5680258 B2 JP5680258 B2 JP 5680258B2 JP 2014537383 A JP2014537383 A JP 2014537383A JP 2014537383 A JP2014537383 A JP 2014537383A JP 5680258 B2 JP5680258 B2 JP 5680258B2
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- stiffness
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- flexible support
- 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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- 230000009467 reduction Effects 0.000 title description 10
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 14
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission 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
- 239000000446 fuel Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- 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
- 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
- F01D25/162—Bearing supports
- F01D25/164—Flexible supports; Vibration damping means associated with the bearing
-
- 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
- F02C7/20—Mounting or supporting of plant; Accommodating heat expansion or creep
-
- 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
-
- 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
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (10)
- ファンシャフトと、
フレーム横方向剛性およびフレーム横断方向剛性を画定する、前記ファンシャフトを支持するフレームと、
前記ファンシャフトを駆動する歯車装置と、
前記フレーム横方向剛性に対する可撓性支持部横方向剛性と、前記フレーム横断方向剛性に対する可撓性支持部横断方向剛性とを画定する、前記歯車装置を少なくとも部分的に支持する可撓性支持部と、
前記フレーム横方向剛性に対する入力カップリング横方向剛性と、前記フレーム横断方向剛性に対する入力カップリング横断方向剛性とを画定する、前記歯車装置への入力カップリングと、
を備えたガスタービンエンジン。 - 前記可撓性支持部横方向剛性は、前記フレーム横方向剛性よりも小さい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。
- 前記可撓性支持部横断方向剛性は、前記フレーム横断方向剛性よりも小さい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。
- 前記可撓性支持部横方向剛性は、前記フレーム横方向剛性よりも小さく、前記可撓性支持部横断方向剛性は、前記フレーム横断方向剛性よりも小さい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。
- 前記歯車装置は、歯車噛合部横方向剛性および歯車噛合部横断方向剛性を画定する歯車噛合部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。
- ファンシャフトと、
前記ファンシャフトを支持するフレームと、
歯車噛合部横方向剛性および歯車噛合部横断方向剛性を画定する歯車噛合部を有するとともに、前記ファンシャフトを駆動する歯車装置と、
前記歯車噛合部横方向剛性に対する可撓性支持部横方向剛性と、前記歯車噛合部横断方向剛性に対する可撓性支持部横断方向剛性とを画定する、前記歯車装置を少なくとも部分的に支持する可撓性支持部と、
前記歯車噛合部横方向剛性に対する入力カップリング横方向剛性と、前記歯車噛合部横断方向剛性に対する入力カップリング横断方向剛性とを画定する、前記歯車装置への入力カップリングと、
を備えたガスタービンエンジン。 - 前記可撓性支持部横方向剛性は、前記歯車噛合部横方向剛性よりも小さい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。
- 前記可撓性支持部横断方向剛性は、前記歯車噛合部横断方向剛性よりも小さい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。
- 前記可撓性支持部横方向剛性は、前記歯車噛合部横方向剛性よりも小さく、前記可撓性支持部横断方向剛性は、前記歯車噛合部横断方向剛性よりも小さい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。
- 前記フレームは、フレーム横方向剛性およびフレーム横断方向剛性を画定す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。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/623,309 US9133729B1 (en) | 2011-06-08 | 2012-09-20 | Flexible support structure for a geared architecture gas turbine engine |
US13/623,309 | 2012-09-20 | ||
PCT/US2013/060105 WO2014047040A1 (en) | 2012-09-20 | 2013-09-17 | Flexible support structure for a geared architecture gas turbine engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014530325A JP2014530325A (ja) | 2014-11-17 |
JP5680258B2 true JP5680258B2 (ja) | 2015-03-04 |
Family
ID=50341885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014537383A Active JP5680258B2 (ja) | 2012-09-20 | 2013-09-17 | 歯車減速構成ガスタービンエンジンの可撓性支持構造 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9133729B1 (ja) |
EP (3) | EP3296526A1 (ja) |
JP (1) | JP5680258B2 (ja) |
CN (1) | CN103917750B (ja) |
BR (1) | BR112014007878B1 (ja) |
CA (1) | CA2850042C (ja) |
RU (2) | RU2016125475A (ja) |
WO (1) | WO2014047040A1 (ja) |
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US10119465B2 (en) | 2015-06-23 | 2018-11-06 | United Technologies Corporation | Geared turbofan with independent flexible ring gears and oil collectors |
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2012
- 2012-09-20 US US13/623,309 patent/US9133729B1/en not_active Expired - Fee Related
-
2013
- 2013-09-17 CA CA2850042A patent/CA2850042C/en active Active
- 2013-09-17 EP EP17199484.1A patent/EP3296526A1/en not_active Withdrawn
- 2013-09-17 RU RU2016125475A patent/RU2016125475A/ru not_active Application Discontinuation
- 2013-09-17 EP EP13828967.3A patent/EP2737180B1/en active Active
- 2013-09-17 CN CN201380003245.3A patent/CN103917750B/zh active Active
- 2013-09-17 BR BR112014007878-5A patent/BR112014007878B1/pt active IP Right Grant
- 2013-09-17 JP JP2014537383A patent/JP5680258B2/ja active Active
- 2013-09-17 RU RU2014112788/02A patent/RU2593060C2/ru active
- 2013-09-17 EP EP16155413.4A patent/EP3051078B1/en not_active Revoked
- 2013-09-17 WO PCT/US2013/060105 patent/WO2014047040A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2737180A1 (en) | 2014-06-04 |
EP2737180A4 (en) | 2014-11-12 |
JP2014530325A (ja) | 2014-11-17 |
RU2014112788A (ru) | 2015-10-10 |
EP3051078A1 (en) | 2016-08-03 |
CN103917750A (zh) | 2014-07-09 |
CA2850042A1 (en) | 2014-03-27 |
BR112014007878B1 (pt) | 2021-12-28 |
RU2593060C2 (ru) | 2016-07-27 |
EP2737180B1 (en) | 2016-04-13 |
CN103917750B (zh) | 2015-11-25 |
WO2014047040A1 (en) | 2014-03-27 |
EP3051078B1 (en) | 2017-11-01 |
RU2016125475A3 (ja) | 2019-12-30 |
BR112014007878A2 (pt) | 2017-04-25 |
US9133729B1 (en) | 2015-09-15 |
EP3296526A1 (en) | 2018-03-21 |
RU2016125475A (ru) | 2018-12-04 |
CA2850042C (en) | 2015-11-24 |
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