JP7445453B2 - 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
- JP7445453B2 JP7445453B2 JP2020023237A JP2020023237A JP7445453B2 JP 7445453 B2 JP7445453 B2 JP 7445453B2 JP 2020023237 A JP2020023237 A JP 2020023237A JP 2020023237 A JP2020023237 A JP 2020023237A JP 7445453 B2 JP7445453 B2 JP 7445453B2
- Authority
- JP
- Japan
- Prior art keywords
- rear bearing
- housing
- bearing
- outer race
- holding member
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 claims description 31
- 239000000919 ceramic Substances 0.000 claims description 14
- 239000000567 combustion gas Substances 0.000 claims description 14
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 description 10
- 238000013016 damping Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- F02C7/06—Arrangements of bearings; Lubricating
-
- 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
- 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
- F01D25/18—Lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/303—Parts of ball or roller bearings of hybrid bearings, e.g. rolling bearings with steel races and ceramic rolling elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/30—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
- F16N7/32—Mist lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/604—Assembly methods using positioning or alignment devices for aligning or centering, e.g. pins
- F05B2230/606—Assembly methods using positioning or alignment devices for aligning or centering, e.g. pins using maintaining alignment while permitting differential dilatation
-
- 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
-
- 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
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/54—Radial bearings
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/13—Two-dimensional trapezoidal
- F05D2250/132—Two-dimensional trapezoidal hexagonal
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/25—Three-dimensional helical
-
- 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
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/38—Retaining components in desired mutual position by a spring, i.e. spring loaded or biased towards a certain position
-
- 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
- F05D2260/98—Lubrication
-
- 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
- F05D2300/20—Oxide or non-oxide ceramics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/20—Thermal properties
- F16C2202/22—Coefficient of expansion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
- F16C2240/80—Pitch circle diameters [PCD]
- F16C2240/82—Degree of filling, i.e. sum of diameters of rolling elements in relation to PCD
- F16C2240/84—Degree of filling, i.e. sum of diameters of rolling elements in relation to PCD with full complement of balls or rollers, i.e. sum of clearances less than diameter of one rolling element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6662—Details of supply of the liquid to the bearing, e.g. passages or nozzles the liquid being carried by air or other gases, e.g. mist lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/02—Turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ceramic Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
11 燃焼器
12 タービン
13 回転シャフト
14 フロントベアリング
15 リアベアリング
16 ハウジング
17 潤滑装置
18 リアベアリング保持部材
31 アウターレース
32 インナーレース
33 ボール
34 弾性部材
100 ガスタービンエンジン(エンジン)
Claims (7)
- 取り入れた空気を圧縮する圧縮機と、
前記圧縮機で圧縮された空気に燃料を噴霧して燃焼させる燃焼器と、
前記燃焼器で発生した燃焼ガスのエネルギによって回転駆動されるタービンと、
前記圧縮機と前記タービンを連結する回転シャフトと、
インナーレース、アウターレース、及び、ボールを有する、ケージレスのボールベアリングであって、前記回転シャフトのタービン側の部分にインナーレースが固定されたリアベアリングと、
前記リアベアリングが取り付けられるハウジングと、
前記リアベアリングと前記ハウジングの間に介在し、前記ハウジングに固定されたリアベアリング保持部材であって、前記リアベアリングのアウターレースを当該リアベアリング保持部材に対して軸方向に移動可能に保持することにより、前記リアベアリングのアウターレースを前記ハウジングに対して軸方向に移動可能に保持するリアベアリング保持部材と、を備え、
前記リアベアリング保持部材は、前記ハウジングよりも半径方向内側に位置し、半径方向に弾性変形可能に形成されているガスタービンエンジン。 - インナーレース、アウターレース、及び、ボールを有し、インナーレースが前記回転シャフトの圧縮機側の部分に固定され、アウターレースが前記ハウジングに対して軸方向に移動不能に前記ハウジングに固定されたフロントベアリングを備えている、請求項1に記載のガスタービンエンジン。
- 前記リアベアリング保持部材は、前記リアベアリングが前記ハウジングに対して半径方向に移動できるように前記リアベアリングのアウターレースを保持している、請求項1又は2に記載のガスタービンエンジン。
- 前記リアベアリング保持部材は、前記リアベアリングのアウターレースを保持する部分が前記ハウジングに対して半径方向に減衰しながら移動できるように構成されている、請求項3に記載のガスタービンエンジン。
- 前記リアベアリング保持部材は、前記ハウジングに対して軸方向及び半径方向に弾性変形可能な弾性部材を有し、当該弾性部材を介して前記リアベアリングを保持している、請求項3に記載のガスタービンエンジン。
- 前記リアベアリングは、インナーレース、アウターレース、及び、ボールがセラミックス製であるセラミックベアリング、又は、インナーレース、及び、アウターレースが金属製であり、ボールがセラミックス製であるハイブリッドベアリングである、請求項1乃至5のうちいずれか一の項に記載のガスタービンエンジン。
- 前記リアベアリングに潤滑油を噴射する非循環式の潤滑装置を備えている、請求項1乃至6のうちいずれか一の項に記載のガスタービンエンジン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020023237A JP7445453B2 (ja) | 2020-02-14 | 2020-02-14 | ガスタービンエンジン |
PCT/JP2021/005257 WO2021162092A1 (ja) | 2020-02-14 | 2021-02-12 | ガスタービンエンジン |
US17/799,004 US11840960B2 (en) | 2020-02-14 | 2021-02-12 | Gas turbine engine |
EP21753566.5A EP4105461A4 (en) | 2020-02-14 | 2021-02-12 | GAS TURBINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020023237A JP7445453B2 (ja) | 2020-02-14 | 2020-02-14 | ガスタービンエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021127733A JP2021127733A (ja) | 2021-09-02 |
JP7445453B2 true JP7445453B2 (ja) | 2024-03-07 |
Family
ID=77292729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020023237A Active JP7445453B2 (ja) | 2020-02-14 | 2020-02-14 | ガスタービンエンジン |
Country Status (4)
Country | Link |
---|---|
US (1) | US11840960B2 (ja) |
EP (1) | EP4105461A4 (ja) |
JP (1) | JP7445453B2 (ja) |
WO (1) | WO2021162092A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140010648A1 (en) | 2012-06-29 | 2014-01-09 | United Technologies Corporation | Sleeve for turbine bearing stack |
WO2017148890A1 (de) | 2016-03-02 | 2017-09-08 | Dürr Systems Ag | Gasturbinensystem |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0737811B2 (ja) * | 1992-03-31 | 1995-04-26 | 株式会社牧野フライス製作所 | 主軸装置 |
US6478553B1 (en) * | 2001-04-24 | 2002-11-12 | General Motors Corporation | High thrust turbocharger rotor with ball bearings |
JP3636329B1 (ja) * | 2004-08-17 | 2005-04-06 | 川崎重工業株式会社 | 軸受振動減衰機構 |
US9500231B2 (en) * | 2011-09-30 | 2016-11-22 | Williams International Co., L.L.C. | Fractured-outer-race full-complement ball-bearing system incorporated in a turbocharger assembly |
FR3013385B1 (fr) * | 2013-11-21 | 2015-11-13 | Snecma | Enceinte avant etanche lors du desassemblage modulaire d'un turboreacteur a reducteur |
US9926975B2 (en) * | 2016-03-22 | 2018-03-27 | United Technologies Corporation | Centering spring and damper assembly |
US9915174B1 (en) * | 2017-01-31 | 2018-03-13 | United Technologies Corporation | Aerated squeeze-film damper |
JP6862292B2 (ja) | 2017-06-19 | 2021-04-21 | 川崎重工業株式会社 | ガスタービンエンジン |
-
2020
- 2020-02-14 JP JP2020023237A patent/JP7445453B2/ja active Active
-
2021
- 2021-02-12 WO PCT/JP2021/005257 patent/WO2021162092A1/ja unknown
- 2021-02-12 US US17/799,004 patent/US11840960B2/en active Active
- 2021-02-12 EP EP21753566.5A patent/EP4105461A4/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140010648A1 (en) | 2012-06-29 | 2014-01-09 | United Technologies Corporation | Sleeve for turbine bearing stack |
WO2017148890A1 (de) | 2016-03-02 | 2017-09-08 | Dürr Systems Ag | Gasturbinensystem |
Also Published As
Publication number | Publication date |
---|---|
EP4105461A1 (en) | 2022-12-21 |
WO2021162092A1 (ja) | 2021-08-19 |
JP2021127733A (ja) | 2021-09-02 |
EP4105461A4 (en) | 2024-03-13 |
US20230108755A1 (en) | 2023-04-06 |
US11840960B2 (en) | 2023-12-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8727632B2 (en) | Bearing support apparatus for a gas turbine engine | |
US8727629B2 (en) | Series bearing support apparatus for a gas turbine engine | |
JP5710590B2 (ja) | シャフト間軸受を備えた2体型ガスタービンエンジン | |
CA2958060C (en) | Thrust bearing | |
EP3575620A1 (en) | Single-row ball bearing with integrated squeeze-film damper | |
US20110058759A1 (en) | Bearing support flexible ring | |
EP2519754B1 (en) | Rotating machinery with damping system | |
EP3282100B1 (en) | Bearing system for a geared turbofan engine | |
JP2014517198A (ja) | タービンエンジンのシャフトを案内するための浮動軸受を備えるタービンエンジン | |
EP1975429A2 (en) | Support dampers for bearing assemblies and methods of manufacture | |
EP3620608B1 (en) | Bearing assembly with a reduced axial space self-pressurizing damper and corresponding method for maintaining pressure in said damper | |
JP2017053343A (ja) | ガスタービンエンジン用の軸受ハウジング及び関連する軸受組立体 | |
CA2786040C (en) | Gas turbine engine and high speed rolling element bearing system | |
KR20130004303A (ko) | 터빈 엔진용 접합부를 갖는 유연한 후방 베어링 마운팅 | |
KR20120113241A (ko) | 가스 터빈 엔진과 포일 베어링 시스템 | |
JP7445453B2 (ja) | ガスタービンエンジン | |
JP2007071356A (ja) | ターボチャージャ用回転支持装置 | |
JP2018063018A (ja) | 過給機の軸受装置 | |
JP2008031871A (ja) | ストラット構造及びガスタービン | |
US11326472B2 (en) | Turbine engine comprising means for axially homogenising the temperature of an inner ring of a roller bearing | |
US20200232509A1 (en) | Roller Bearing Assembly | |
US9790857B2 (en) | Multiple bearing stack retention | |
JPH02196137A (ja) | ガスタービン | |
JP2008157362A (ja) | 転がり軸受 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230130 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230816 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231012 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240130 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240226 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7445453 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |