IT202000000652A1 - Turbomacchina e gruppo ingranaggi - Google Patents

Turbomacchina e gruppo ingranaggi

Info

Publication number
IT202000000652A1
IT202000000652A1 IT102020000000652A IT202000000652A IT202000000652A1 IT 202000000652 A1 IT202000000652 A1 IT 202000000652A1 IT 102020000000652 A IT102020000000652 A IT 102020000000652A IT 202000000652 A IT202000000652 A IT 202000000652A IT 202000000652 A1 IT202000000652 A1 IT 202000000652A1
Authority
IT
Italy
Prior art keywords
turbomachine
gear group
gear
group
Prior art date
Application number
IT102020000000652A
Other languages
English (en)
Inventor
Juraj Hrubec
Davide Lauria
Original Assignee
Ge Avio Srl
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 Ge Avio Srl filed Critical Ge Avio Srl
Priority to IT102020000000652A priority Critical patent/IT202000000652A1/it
Priority to CN202110042871.XA priority patent/CN113123869B/zh
Priority to US17/150,136 priority patent/US11408355B2/en
Publication of IT202000000652A1 publication Critical patent/IT202000000652A1/it
Priority to US17/813,453 priority patent/US11952948B2/en

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
    • 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
    • F02C3/113—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 with variable power transmission between rotors
    • 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
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
    • 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
    • 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
    • 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
    • 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
    • F02K3/072—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 counter-rotating, e.g. fan rotors
    • 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
    • F05D2220/325—Application in turbines in gas turbines to drive unshrouded, 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
    • 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
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H2001/2872—Toothed gearings for conveying rotary motion with gears having orbital motion comprising three central gears, i.e. ring or sun gear, engaged by at least one common orbital gear mounted on an idling carrier
    • 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)
  • Gear Transmission (AREA)
IT102020000000652A 2020-01-15 2020-01-15 Turbomacchina e gruppo ingranaggi IT202000000652A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT102020000000652A IT202000000652A1 (it) 2020-01-15 2020-01-15 Turbomacchina e gruppo ingranaggi
CN202110042871.XA CN113123869B (zh) 2020-01-15 2021-01-13 涡轮机和齿轮组件
US17/150,136 US11408355B2 (en) 2020-01-15 2021-01-15 Turbomachine and gear assembly
US17/813,453 US11952948B2 (en) 2020-01-15 2022-07-19 Turbomachine and gear assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000000652A IT202000000652A1 (it) 2020-01-15 2020-01-15 Turbomacchina e gruppo ingranaggi

Publications (1)

Publication Number Publication Date
IT202000000652A1 true IT202000000652A1 (it) 2021-07-15

Family

ID=70009339

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102020000000652A IT202000000652A1 (it) 2020-01-15 2020-01-15 Turbomacchina e gruppo ingranaggi

Country Status (3)

Country Link
US (2) US11408355B2 (it)
CN (1) CN113123869B (it)
IT (1) IT202000000652A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7342806B2 (ja) * 2020-06-30 2023-09-12 トヨタ自動車株式会社 複合遊星歯車装置
FR3127269B1 (fr) 2021-09-17 2023-09-08 Safran Aircraft Engines Turbomachine d’aeronef a helice desaxee

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010729A (en) * 1989-01-03 1991-04-30 General Electric Company Geared counterrotating turbine/fan propulsion system
US20080060341A1 (en) * 2004-01-08 2008-03-13 Snecma Moteurs Turbine engine with semi-fixed turbine driving a receiver controlled so as to preserve a roughly constant rotation speed
US20100205934A1 (en) * 2009-02-18 2010-08-19 Snecma Bypass engine with contrarotating turbine wheels
WO2014113372A1 (en) * 2013-01-18 2014-07-24 General Electric Company Engine architecture with reverse rotation integral drive and vaneless turbine

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
US3861139A (en) 1973-02-12 1975-01-21 Gen Electric Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition
US3903690A (en) 1973-02-12 1975-09-09 Gen Electric Turbofan engine lubrication means
US7694505B2 (en) * 2006-07-31 2010-04-13 General Electric Company Gas turbine engine assembly and method of assembling same
US11149650B2 (en) * 2007-08-01 2021-10-19 Raytheon Technologies Corporation Turbine section of high bypass turbofan
KR101661719B1 (ko) 2009-04-16 2016-09-30 대런 파월 동축 크랭크리스 엔진
US8336290B2 (en) 2010-09-30 2012-12-25 General Electric Company Pitch change apparatus for counter-rotating propellers
CA2853694C (en) * 2012-01-09 2016-03-22 United Technologies Corporation Gas turbine engine with geared architecture
US20130195624A1 (en) 2012-01-31 2013-08-01 Frederick M. Schwarz Geared turbofan engine with counter-rotating shafts
US20130192256A1 (en) 2012-01-31 2013-08-01 Gabriel L. Suciu Geared turbofan engine with counter-rotating shafts
US8572943B1 (en) * 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
US20140312177A1 (en) 2013-04-18 2014-10-23 Rajesh Gaonjur Coaxial rotor/wing aircraft
US9915225B2 (en) * 2015-02-06 2018-03-13 United Technologies Corporation Propulsion system arrangement for turbofan gas turbine engine
US10669946B2 (en) * 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine
EP3354847B1 (en) * 2017-01-30 2023-03-08 GE Avio S.r.l. Flexible coupling shaft for turbine engine
US10801442B2 (en) * 2017-02-08 2020-10-13 General Electric Company Counter rotating turbine with reversing reduction gear assembly
US10663036B2 (en) 2017-06-13 2020-05-26 General Electric Company Gas turbine engine with rotating reversing compound gearbox
US11371379B2 (en) * 2017-08-22 2022-06-28 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
IT201800005822A1 (it) * 2018-05-29 2019-11-29 Attacco di un gruppo ingranaggio per un motore a turbina a gas
US11118506B2 (en) * 2018-12-21 2021-09-14 General Electric Company Gear assembly for a turbo machine
US11428160B2 (en) * 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010729A (en) * 1989-01-03 1991-04-30 General Electric Company Geared counterrotating turbine/fan propulsion system
US20080060341A1 (en) * 2004-01-08 2008-03-13 Snecma Moteurs Turbine engine with semi-fixed turbine driving a receiver controlled so as to preserve a roughly constant rotation speed
US20100205934A1 (en) * 2009-02-18 2010-08-19 Snecma Bypass engine with contrarotating turbine wheels
WO2014113372A1 (en) * 2013-01-18 2014-07-24 General Electric Company Engine architecture with reverse rotation integral drive and vaneless turbine

Also Published As

Publication number Publication date
US20220349350A1 (en) 2022-11-03
US11952948B2 (en) 2024-04-09
CN113123869B (zh) 2024-06-07
US20210270189A1 (en) 2021-09-02
CN113123869A (zh) 2021-07-16
US11408355B2 (en) 2022-08-09

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