EP3027864A4 - Gas turbine engine shaft bearing configuration - Google Patents

Gas turbine engine shaft bearing configuration Download PDF

Info

Publication number
EP3027864A4
EP3027864A4 EP14849357.0A EP14849357A EP3027864A4 EP 3027864 A4 EP3027864 A4 EP 3027864A4 EP 14849357 A EP14849357 A EP 14849357A EP 3027864 A4 EP3027864 A4 EP 3027864A4
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Withdrawn
Application number
EP14849357.0A
Other languages
German (de)
French (fr)
Other versions
EP3027864A1 (en
Inventor
Brian D. Merry
Gabriel L. Suciu
Karl L. Hasel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US14/012,773 external-priority patent/US8863491B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP3027864A1 publication Critical patent/EP3027864A1/en
Publication of EP3027864A4 publication Critical patent/EP3027864A4/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • 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
EP14849357.0A 2013-07-31 2014-06-19 Gas turbine engine shaft bearing configuration Withdrawn EP3027864A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361860337P 2013-07-31 2013-07-31
US14/012,773 US8863491B2 (en) 2012-01-31 2013-08-28 Gas turbine engine shaft bearing configuration
PCT/US2014/043195 WO2015047489A1 (en) 2013-07-31 2014-06-19 Gas turbine engine shaft bearing configuration

Publications (2)

Publication Number Publication Date
EP3027864A1 EP3027864A1 (en) 2016-06-08
EP3027864A4 true EP3027864A4 (en) 2017-03-22

Family

ID=52744312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14849357.0A Withdrawn EP3027864A4 (en) 2013-07-31 2014-06-19 Gas turbine engine shaft bearing configuration

Country Status (2)

Country Link
EP (1) EP3027864A4 (en)
WO (1) WO2015047489A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10400629B2 (en) * 2012-01-31 2019-09-03 United Technologies Corporation Gas turbine engine shaft bearing configuration
US8863491B2 (en) 2012-01-31 2014-10-21 United Technologies Corporation Gas turbine engine shaft bearing configuration
US8402741B1 (en) 2012-01-31 2013-03-26 United Technologies Corporation Gas turbine engine shaft bearing configuration
US10371096B2 (en) * 2015-11-17 2019-08-06 General Electric Company Gas turbine engine fan
US11225975B2 (en) 2015-11-17 2022-01-18 General Electric Company Gas turbine engine fan
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090056306A1 (en) * 2007-08-28 2009-03-05 Suciu Gabriel L Gas turbine engine front architecture
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003199A (en) * 1976-03-01 1977-01-18 General Motors Corporation Turbine engine with air brake
GB8630754D0 (en) * 1986-12-23 1987-02-04 Rolls Royce Plc Turbofan gas turbine engine
US7493753B2 (en) * 2005-10-19 2009-02-24 General Electric Company Gas turbine engine assembly and methods of assembling same
US7694505B2 (en) * 2006-07-31 2010-04-13 General Electric Company Gas turbine engine assembly and method of assembling same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090056306A1 (en) * 2007-08-28 2009-03-05 Suciu Gabriel L Gas turbine engine front architecture
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015047489A1 *

Also Published As

Publication number Publication date
EP3027864A1 (en) 2016-06-08
WO2015047489A1 (en) 2015-04-02

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Owner name: UNITED TECHNOLOGIES CORPORATION

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Effective date: 20170222

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Effective date: 20170921