FR3049008B1 - Turboreacteur comprenant un arbre basse pression supercritique - Google Patents

Turboreacteur comprenant un arbre basse pression supercritique Download PDF

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Publication number
FR3049008B1
FR3049008B1 FR1652176A FR1652176A FR3049008B1 FR 3049008 B1 FR3049008 B1 FR 3049008B1 FR 1652176 A FR1652176 A FR 1652176A FR 1652176 A FR1652176 A FR 1652176A FR 3049008 B1 FR3049008 B1 FR 3049008B1
Authority
FR
France
Prior art keywords
turboreactor
supercritical pressure
lower supercritical
pressure tree
tree
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
Application number
FR1652176A
Other languages
English (en)
Other versions
FR3049008A1 (fr
Inventor
Jeremy DIEVART
Yanis BENSLAMA
Nathalie Nowakowski
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.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
SNECMA SAS
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
Application filed by Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1652176A priority Critical patent/FR3049008B1/fr
Priority to US16/085,086 priority patent/US11047338B2/en
Priority to PCT/FR2017/050596 priority patent/WO2017158294A1/fr
Publication of FR3049008A1 publication Critical patent/FR3049008A1/fr
Application granted granted Critical
Publication of FR3049008B1 publication Critical patent/FR3049008B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/326—Application in turbines in gas turbines to drive shrouded, low solidity propeller
    • 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
    • F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
    • 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

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)
  • Rolling Contact Bearings (AREA)
FR1652176A 2016-03-15 2016-03-15 Turboreacteur comprenant un arbre basse pression supercritique Active FR3049008B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1652176A FR3049008B1 (fr) 2016-03-15 2016-03-15 Turboreacteur comprenant un arbre basse pression supercritique
US16/085,086 US11047338B2 (en) 2016-03-15 2017-03-15 Turbofan comprising a low-supercritical-pressure shaft
PCT/FR2017/050596 WO2017158294A1 (fr) 2016-03-15 2017-03-15 Turboréacteur comprenant un arbre basse pression supercritique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1652176 2016-03-15
FR1652176A FR3049008B1 (fr) 2016-03-15 2016-03-15 Turboreacteur comprenant un arbre basse pression supercritique

Publications (2)

Publication Number Publication Date
FR3049008A1 FR3049008A1 (fr) 2017-09-22
FR3049008B1 true FR3049008B1 (fr) 2018-03-02

Family

ID=56087347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1652176A Active FR3049008B1 (fr) 2016-03-15 2016-03-15 Turboreacteur comprenant un arbre basse pression supercritique

Country Status (3)

Country Link
US (1) US11047338B2 (fr)
FR (1) FR3049008B1 (fr)
WO (1) WO2017158294A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201704502D0 (en) * 2017-03-22 2017-05-03 Rolls Royce Plc Gas turbine engine
US11131244B2 (en) * 2017-11-03 2021-09-28 General Electric Company Power transmission system and gas turbine engine comprising the same
FR3088966B1 (fr) * 2018-11-27 2020-11-06 Safran Aircraft Engines Agencement de turboréacteur double flux à réducteur épicycloïdal ou planétaire
US10808753B1 (en) * 2019-06-03 2020-10-20 Raytheon Technologies Corporation Method and apparatus for mounting multiple bearings on a shaft
GB201913195D0 (en) * 2019-09-12 2019-10-30 Rolls Royce Plc Gas turbine engine
GB201918782D0 (en) 2019-12-19 2020-02-05 Rolls Royce Plc Shaft bearing arrangement
GB201918777D0 (en) 2019-12-19 2020-02-05 Rolls Royce Plc Shaft bearing arrangement
GB201918780D0 (en) * 2019-12-19 2020-02-05 Rolls Royce Plc Shaft bearings for gas turbine engine
GB201918781D0 (en) 2019-12-19 2020-02-05 Rolls Royce Plc Improved shaft bearing positioning in a gas turbine engine
GB201918779D0 (en) 2019-12-19 2020-02-05 Rolls Royce Plc Shaft bearings
GB201918783D0 (en) 2019-12-19 2020-02-05 Rolls Royce Plc Shaft with three bearings
GB2599689A (en) * 2020-10-09 2022-04-13 Rolls Royce Plc An improved turbofan gas turbine engine
GB2600386B (en) * 2020-10-09 2023-07-26 Rolls Royce Plc An improved turbofan gas turbine engine
GB2599687A (en) * 2020-10-09 2022-04-13 Rolls Royce Plc An improved turbofan gas turbine engine
US11724813B2 (en) 2021-05-24 2023-08-15 General Electric Company Midshaft rating for turbomachine engines
US11603801B2 (en) * 2021-05-24 2023-03-14 General Electric Company Midshaft rating for turbomachine engines
US11808214B2 (en) 2021-05-24 2023-11-07 General Electric Company Midshaft rating for turbomachine engines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6846158B2 (en) * 2002-09-06 2005-01-25 General Electric Company Method and apparatus for varying the critical speed of a shaft
FR2876758B1 (fr) 2004-10-19 2008-04-18 Snecma Moteurs Sa Dispositif de support et de guidage d'un arbre en rotation
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
US8517672B2 (en) * 2010-02-23 2013-08-27 General Electric Company Epicyclic gearbox
US20130195647A1 (en) * 2012-01-31 2013-08-01 Marc J. Muldoon Gas turbine engine bearing arrangement including aft bearing hub geometry
US20130192195A1 (en) * 2012-01-31 2013-08-01 Eric J. Wehmeier Gas turbine engine with compressor inlet guide vane positioned for starting
US8402741B1 (en) * 2012-01-31 2013-03-26 United Technologies Corporation Gas turbine engine shaft bearing configuration
US10125693B2 (en) * 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
WO2014055114A1 (fr) * 2012-10-02 2014-04-10 United Technologies Corporation Turboréacteur double-flux à engrenages présentant une température de sortie de compresseur élevée
US20140140824A1 (en) 2012-10-26 2014-05-22 United Technologies Corporation Oil system bearing compartment architecture for gas turbine engine
WO2014186017A2 (fr) * 2013-03-13 2014-11-20 United Technologies Corporation Compresseur à faible bruit pour un moteur à turbine à engrenages
US20150300264A1 (en) * 2013-09-30 2015-10-22 United Technologies Corporation Geared turbofan architecture for regional jet aircraft
US11448123B2 (en) * 2014-06-13 2022-09-20 Raytheon Technologies Corporation Geared turbofan architecture

Also Published As

Publication number Publication date
US11047338B2 (en) 2021-06-29
US20190153978A1 (en) 2019-05-23
FR3049008A1 (fr) 2017-09-22
WO2017158294A1 (fr) 2017-09-21

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