EP3027877A4 - Gas turbine engine shaft bearing configuration - Google Patents

Gas turbine engine shaft bearing configuration Download PDF

Info

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Withdrawn
Application number
EP14831206.9A
Other languages
German (de)
French (fr)
Other versions
EP3027877A1 (en
Inventor
Brian D. Merry
Gabriel L. Suciu
Todd A. Davis
Gregory E. Reinhardt
Enzo Dibenedetto
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 US14/012,576 external-priority patent/US10400629B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP3027877A1 publication Critical patent/EP3027877A1/en
Publication of EP3027877A4 publication Critical patent/EP3027877A4/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Withdrawn legal-status Critical Current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
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14831206.9A 2013-07-31 2014-06-19 Gas turbine engine shaft bearing configuration Withdrawn EP3027877A4 (en)

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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10107231B2 (en) 2006-08-15 2018-10-23 United Technologies Corporation Gas turbine engine with geared architecture
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

Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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