EP3027877A4 - Gas turbine engine shaft bearing configuration - Google Patents
Gas turbine engine shaft bearing configuration Download PDFInfo
- Publication number
- EP3027877A4 EP3027877A4 EP14831206.9A EP14831206A EP3027877A4 EP 3027877 A4 EP3027877 A4 EP 3027877A4 EP 14831206 A EP14831206 A EP 14831206A EP 3027877 A4 EP3027877 A4 EP 3027877A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas turbine
- turbine engine
- shaft bearing
- engine shaft
- bearing configuration
- 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.)
- Withdrawn
Links
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
- F02K3/06—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 fan
-
- 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
-
- 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
- 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
- F05D2250/23—Three-dimensional prismatic
- F05D2250/232—Three-dimensional prismatic conical
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361860329P | 2013-07-31 | 2013-07-31 | |
US14/012,576 US10400629B2 (en) | 2012-01-31 | 2013-08-28 | Gas turbine engine shaft bearing configuration |
PCT/US2014/043175 WO2015017041A1 (en) | 2013-07-31 | 2014-06-19 | Gas turbine engine shaft bearing configuration |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3027877A1 EP3027877A1 (en) | 2016-06-08 |
EP3027877A4 true EP3027877A4 (en) | 2017-04-05 |
Family
ID=52432314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14831206.9A Withdrawn EP3027877A4 (en) | 2013-07-31 | 2014-06-19 | Gas turbine engine shaft bearing configuration |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3027877A4 (en) |
WO (1) | WO2015017041A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10107231B2 (en) | 2006-08-15 | 2018-10-23 | United Technologies Corporation | Gas turbine engine with geared architecture |
US8858388B2 (en) | 2006-08-15 | 2014-10-14 | United Technologies Corporation | Gas turbine engine gear train |
US9976437B2 (en) | 2006-08-15 | 2018-05-22 | United Technologies Corporation | Epicyclic gear train |
US8753243B2 (en) | 2006-08-15 | 2014-06-17 | United Technologies Corporation | Ring gear mounting arrangement with oil scavenge scheme |
EP3112648A1 (en) * | 2015-06-29 | 2017-01-04 | United Technologies Corporation | Gas turbine engine with geared architecture |
US10066734B2 (en) * | 2015-12-07 | 2018-09-04 | United Technologies Corporation | Gear driven gas turbine engine assembly |
FR3146658A1 (en) * | 2023-03-16 | 2024-09-20 | Safran Aircraft Engines | Assembly comprising a shaft section guided by a flexibly held bearing |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0203881A1 (en) * | 1985-05-29 | 1986-12-03 | United Technologies Corporation | Ducted prop engine |
US20120257960A1 (en) * | 2009-11-20 | 2012-10-11 | United Technologies Corporation | Engine Bearing Support |
US8402741B1 (en) * | 2012-01-31 | 2013-03-26 | United Technologies Corporation | Gas turbine engine shaft bearing configuration |
EP2597292A2 (en) * | 2011-11-23 | 2013-05-29 | United Technologies Corporation | Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4375883B2 (en) * | 2000-06-02 | 2009-12-02 | 本田技研工業株式会社 | Seal air supply system for gas turbine engine bearings |
US7883311B2 (en) * | 2006-12-20 | 2011-02-08 | General Electric Company | Bearing assembly and method of assembling the same |
US7716914B2 (en) * | 2006-12-21 | 2010-05-18 | General Electric Company | Turbofan engine assembly and method of assembling same |
US9784181B2 (en) * | 2009-11-20 | 2017-10-10 | United Technologies Corporation | Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings |
-
2014
- 2014-06-19 EP EP14831206.9A patent/EP3027877A4/en not_active Withdrawn
- 2014-06-19 WO PCT/US2014/043175 patent/WO2015017041A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0203881A1 (en) * | 1985-05-29 | 1986-12-03 | United Technologies Corporation | Ducted prop engine |
US20120257960A1 (en) * | 2009-11-20 | 2012-10-11 | United Technologies Corporation | Engine Bearing Support |
EP2597292A2 (en) * | 2011-11-23 | 2013-05-29 | United Technologies Corporation | Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings |
US8402741B1 (en) * | 2012-01-31 | 2013-03-26 | United Technologies Corporation | Gas turbine engine shaft bearing configuration |
Non-Patent Citations (1)
Title |
---|
See also references of WO2015017041A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2015017041A1 (en) | 2015-02-05 |
EP3027877A1 (en) | 2016-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20160224 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNITED TECHNOLOGIES CORPORATION |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170302 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02K 3/04 20060101AFI20170224BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20190409 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20191022 |