[go: up one dir, main page]

IT1250861B - Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico. - Google Patents

Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico.

Info

Publication number
IT1250861B
IT1250861B ITTO910871A ITTO910871A IT1250861B IT 1250861 B IT1250861 B IT 1250861B IT TO910871 A ITTO910871 A IT TO910871A IT TO910871 A ITTO910871 A IT TO910871A IT 1250861 B IT1250861 B IT 1250861B
Authority
IT
Italy
Prior art keywords
satellite
transmission
gas turbine
air compressor
speed reducer
Prior art date
Application number
ITTO910871A
Other languages
English (en)
Inventor
Sergio Turra
Valter Bologna
Original Assignee
Fiat Avio Spa
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 Fiat Avio Spa filed Critical Fiat Avio Spa
Priority to ITTO910871A priority Critical patent/IT1250861B/it
Publication of ITTO910871A0 publication Critical patent/ITTO910871A0/it
Priority to US07/975,414 priority patent/US5391125A/en
Publication of ITTO910871A1 publication Critical patent/ITTO910871A1/it
Application granted granted Critical
Publication of IT1250861B publication Critical patent/IT1250861B/it

Links

Classifications

    • 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
    • F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet gears
    • F16H1/2836—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet gears by allowing limited movement of the planet gears relative to the planet carrier or by using free floating planet gears

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)

Abstract

Il riduttore comprende una ruota dentata solare (5) collegata con la turbina, un organo portasatelliti (6) atto a sopportare una pluralità di ruote dentate satelliti (7) ingrananti con la ruota dentata solare e con una corona dentata (8) fissata all'incastellatura del motore; in base all'invenzione l'organo portasatelliti (6) comprende un primo elemento di forma sostanzialmente anulare (10) il quale è provvisto di coppie di sedi (11) per perni (13) su ciascuno dei quali ruota una delle ruote dentate satelliti (7), un secondo elemento (17) collegato al compressore è provvisto di una pluralità di bracci assiali (18) ciascuno dei quali è atto ad inserirsi in una cavità (16) del primo elemento e mezzi di collegamento (19) atti a collegare l'estremità di ciascuno dei bracci suddetti ad una zona (20) del primo elemento (10) la quale è posizionata sostanzialmente alla stessa distanza dalle due sedi (11) di ciascuno di dette coppie di sedi.
ITTO910871A 1991-11-12 1991-11-12 Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico. IT1250861B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO910871A IT1250861B (it) 1991-11-12 1991-11-12 Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico.
US07/975,414 US5391125A (en) 1991-11-12 1992-11-12 Epicyclic speed reducer designed for fitment to the transmission between the gas turbine and air compressor of an aircraft engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910871A IT1250861B (it) 1991-11-12 1991-11-12 Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico.

Publications (3)

Publication Number Publication Date
ITTO910871A0 ITTO910871A0 (it) 1991-11-12
ITTO910871A1 ITTO910871A1 (it) 1993-05-12
IT1250861B true IT1250861B (it) 1995-04-21

Family

ID=11409714

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910871A IT1250861B (it) 1991-11-12 1991-11-12 Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico.

Country Status (2)

Country Link
US (1) US5391125A (it)
IT (1) IT1250861B (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685797A (en) * 1995-05-17 1997-11-11 United Technologies Corporation Coated planet gear journal bearing and process of making same
US5716300A (en) * 1996-05-01 1998-02-10 Sikorsky Aircraft Corporation Isolated ring gear for planetary gear drive systems
SE519200C2 (sv) * 2001-06-05 2003-01-28 Volvo Aero Corp Gasturbinanordning med ett arrangemang för drivning av en eller flera hjälpapparater
US6964155B2 (en) * 2002-12-30 2005-11-15 United Technologies Corporation Turbofan engine comprising an spicyclic transmission having bearing journals
EP1606535A1 (de) * 2003-03-25 2005-12-21 Klaus Plath Getriebevorrichtung
FR2853382B1 (fr) * 2003-04-04 2006-04-28 Hispano Suiza Sa Systeme de liaison souple entre un porte-satellites et le support fixe dans un reducteur de vitesse
US8667688B2 (en) 2006-07-05 2014-03-11 United Technologies Corporation Method of assembly for gas turbine fan drive gear system
US7704178B2 (en) * 2006-07-05 2010-04-27 United Technologies Corporation Oil baffle for gas turbine fan drive gear system
US9194255B2 (en) * 2006-07-05 2015-11-24 United Technologies Corporation Oil baffle for gas turbine fan drive gear system
US8585538B2 (en) 2006-07-05 2013-11-19 United Technologies Corporation Coupling system for a star gear train in a gas turbine engine
US8858388B2 (en) 2006-08-15 2014-10-14 United Technologies Corporation Gas turbine engine gear train
US20120213628A1 (en) 2006-08-15 2012-08-23 Mccune Michael E Gas turbine engine with geared architecture
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
US8939864B2 (en) 2006-08-15 2015-01-27 United Technologies Corporation Gas turbine engine lubrication
US8708863B2 (en) * 2006-08-15 2014-04-29 United Technologies Corporation Epicyclic gear train
US9976437B2 (en) 2006-08-15 2018-05-22 United Technologies Corporation Epicyclic gear train
JP4380699B2 (ja) * 2006-12-28 2009-12-09 トヨタ自動車株式会社 遊星歯車装置および自動変速機
US7621843B2 (en) * 2007-01-17 2009-11-24 General Electric Company Apparatus for restraining axial movement of a ring gear in a gearbox for a wind turbine
EP2215357B1 (en) * 2007-10-22 2011-12-07 Vestas Wind Systems A/S Epicyclic gear stage for a wind turbine gearbox, a wind turbine gearbox and a wind turbine
ATE511018T1 (de) * 2007-12-20 2011-06-15 Vestas Wind Sys As Planetengetriebestufe für ein windturbinengetriebe, windturbinengetriebe und windturbine
FI122381B (fi) * 2008-01-03 2011-12-30 Moventas Oy Planeettavaihde
US8398517B2 (en) * 2009-06-10 2013-03-19 United Technologies Corporation Journal bearing with single unit jumper tube and filter
US8246503B2 (en) * 2009-06-10 2012-08-21 United Technologies Corporation Epicyclic gear system with improved lubrication system
US8333678B2 (en) * 2009-06-26 2012-12-18 United Technologies Corporation Epicyclic gear system with load share reduction
US8672801B2 (en) 2009-11-30 2014-03-18 United Technologies Corporation Mounting system for a planetary gear train in a gas turbine engine
US8900083B2 (en) 2011-04-27 2014-12-02 United Technologies Corporation Fan drive gear system integrated carrier and torque frame
US8777793B2 (en) 2011-04-27 2014-07-15 United Technologies Corporation Fan drive planetary gear system integrated carrier and torque frame
US20130269479A1 (en) * 2012-04-11 2013-10-17 General Electric Company Gearbox and support apparatus for gearbox carrier
FR2991421B1 (fr) * 2012-05-30 2015-07-31 Snecma Reducteur a train epicycloidal avec axes de satellites montes sur roulements
US9328818B2 (en) 2012-09-21 2016-05-03 United Technologies Corporation Gear carrier flex mount lubrication
US8657714B1 (en) * 2012-09-28 2014-02-25 General Electric Company Journal bearing and method of facilitating hydrodynamic oil flow, load capacity and optimization of bearing performance
JP6078160B2 (ja) 2012-09-28 2017-02-08 ユナイテッド テクノロジーズ コーポレイションＵｎｉｔｅｄ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏｒｐｏｒａｔｉｏｎ ガスタービンファン駆動ギアシステムの組立方法
WO2014210462A1 (en) * 2013-06-28 2014-12-31 General Electric Company Lightweight gear assembly for epicyclic gearbox
WO2015026600A1 (en) 2013-08-21 2015-02-26 United Technologies Corporation Reduced misalignment gear system
US8857149B1 (en) 2013-08-26 2014-10-14 United Technologies Corporation Torque connector lubrication scuppers
FR3011901B1 (fr) 2013-10-10 2017-02-10 Hispano-Suiza Porte-satellites pour un reducteur de vitesse a train epicycloidal
EP3097324B2 (en) 2014-01-20 2024-11-27 RTX Corporation Lightweight journal support pin
CA2889542A1 (en) * 2014-04-30 2015-10-30 Ge Avio S.R.L. Epyciclic transmission provided with a lubricating system
FR3036763B1 (fr) * 2015-05-27 2017-05-26 Hispano-Suiza Reducteur a train epicycloidal
US10443708B2 (en) 2015-06-23 2019-10-15 United Technologies Corporation Journal bearing for rotating gear carrier
ITUB20152131A1 (it) * 2015-07-13 2017-01-13 Fondazione St Italiano Tecnologia Riduttore di velocita' rotazionale
US10066734B2 (en) 2015-12-07 2018-09-04 United Technologies Corporation Gear driven gas turbine engine assembly
US10006520B2 (en) * 2016-08-31 2018-06-26 General Electric Company System for regulating stresses in ring gears
FR3071024B1 (fr) * 2017-09-12 2021-02-19 Safran Trans Systems Pivot pour palier lisse
DE102017008675A1 (de) 2017-09-15 2019-03-21 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebevorrichtung für eine Strömungmaschine
FR3073915B1 (fr) * 2017-11-17 2019-10-25 Safran Transmission Systems Cage de reducteur de vitesse a train planetaire ou epicycloidal de turbomachine
DE102018106564B4 (de) * 2018-03-20 2024-03-21 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebe, Gasturbinentriebwerk mit Planetengetriebe und Verfahren zum Herstellen eines Planetengetriebes
DE102018106693B4 (de) * 2018-03-21 2023-06-15 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinentriebwerk für ein Luftfahrzeug und Planetengetriebe
DE102018106864A1 (de) * 2018-03-22 2019-09-26 Rolls-Royce Deutschland Ltd & Co Kg Verfahren zum Zusammenbau eines Planetengetriebes, ein Planetenträger und ein Flugzeugtriebwerk
US10683773B2 (en) 2018-05-25 2020-06-16 Pratt & Whitney Canada Corp. Planetary gearbox having compliant journal bearings
FR3084428B1 (fr) * 2018-07-26 2020-09-11 Safran Trans Systems Cage de reducteur de vitesse a train planetaire ou epicycloidal de turbomachine
DE102018122535B4 (de) 2018-09-14 2024-03-21 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebevorrichtung und Gasturbinentriebwerk
US10851671B2 (en) 2019-03-29 2020-12-01 Pratt & Whitney Canada Corp. Bending stiffening feature used for compliant journal bearing
GB202005028D0 (en) 2020-04-06 2020-05-20 Rolls Royce Plc Gearboxes for aircraft gas turbine engines
GB202005033D0 (en) 2020-04-06 2020-05-20 Rolls Royce Plc Gearboxes for aircraft gas turbine engines
GB202005022D0 (en) * 2020-04-06 2020-05-20 Rolls Royce Plc Gearboxes for aircraft gas turbine engines
GB202005025D0 (en) 2020-04-06 2020-05-20 Rolls Royce Plc Gearboxes for aircraft gas turbine engines
DE102021115337A1 (de) 2021-06-14 2022-12-15 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebe eines Gasturbinetriebwerkes
FR3125568B1 (fr) * 2021-07-24 2023-07-14 Safran Trans Systems Pivot pour réducteur mécanique de turbomachine
US11680525B2 (en) * 2021-08-20 2023-06-20 Pratt & Whitney Canada Corp. Lubricant filter for a turbine engine
DE102021122413A1 (de) 2021-08-30 2023-03-02 Rolls-Royce Deutschland Ltd & Co Kg Planetengetriebe und Verfahren zum Betreiben eines Planetengetriebes sowie Gasturbinentriebwerk mit wenigstens zwei Zentralwellen und mit einem Planetengetriebe
FR3132554B1 (fr) * 2022-02-08 2024-03-22 Safran Trans Systems Reducteur de vitesse pour une turbomachine d’aeronef
FR3139607B1 (fr) * 2022-09-09 2024-10-25 Safran Trans Systems Palier lisse pour un reducteur mecanique de turbomachine d’aeronef
FR3143080A1 (fr) * 2022-12-09 2024-06-14 Safran Transmission Systems Couronne pour un reducteur mecanique d’aeronef

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1442795A (en) * 1923-01-23 Albert e
US801517A (en) * 1904-05-11 1905-10-10 Joseph Sinclair Fairfax Speed-reduction and driving gear.
US1418119A (en) * 1920-03-25 1922-05-30 Karl C Wolcott Stump puller
FR905259A (fr) * 1944-01-25 1945-11-29 Richard Freres Ets Perfectionnements aux entraînements à disques de friction
GB691776A (en) * 1951-11-23 1953-05-20 Gen Electric Improvements in or relating to planetary gearing
US4074591A (en) * 1976-10-08 1978-02-21 Borg-Warner Corporation Combined torque proportioning and reduction drive assembly
JPS58214049A (ja) * 1982-06-04 1983-12-13 Iseki & Co Ltd 走行車軸における遊星変速機構
JPS58217851A (ja) * 1982-06-09 1983-12-17 Fuji Tekkosho:Kk 遊星歯車装置
JPH01108447A (ja) * 1987-10-21 1989-04-25 Takashi Takahashi 制御用変速装置
SU1391978A1 (ru) * 1986-12-01 1988-04-30 Воронежский сельскохозяйственный институт им.К.Д.Глинки Привод колеса транспортного средства
US4856377A (en) * 1987-01-07 1989-08-15 Pratt & Whitney Canada Inc. Planetary gear system for a gas turbine engine
JP2525590B2 (ja) * 1987-02-27 1996-08-21 住友重機械工業株式会社 遊星歯車減速機
JP2976438B2 (ja) * 1989-03-25 1999-11-10 アイシン精機株式会社 遊星歯車装置
JPH0819995B2 (ja) * 1989-07-18 1996-03-04 マテックス株式会社 遊星歯車装置
JPH03121335A (ja) * 1989-10-02 1991-05-23 Matetsukusu Kk 遊星歯車装置タイミング駆動ユニツト
US5102379A (en) * 1991-03-25 1992-04-07 United Technologies Corporation Journal bearing arrangement

Also Published As

Publication number Publication date
ITTO910871A1 (it) 1993-05-12
US5391125A (en) 1995-02-21
ITTO910871A0 (it) 1991-11-12

Similar Documents

Publication Publication Date Title
IT1250861B (it) Riduttore di velocita' epicicloidale atto ad essere inserito nella trasmissione tra una turbina a gas ed il compressore d'aria di un motore aeronautico.
FR3127269A1 (fr) Turbomachine d’aeronef a helice desaxee
US5423726A (en) Differential drive with N outputs.
EP2337970B1 (en) Epicyclic reduction gear device with balanced planet wheels
FR3065773A1 (fr) Porte-satellites a cage pour un reducteur de vitesse a train epicycloidal
EP0867607A1 (fr) Groupe turbopropulseur double corps à regulation isodrome
ES2108330T3 (es) Caja de engranajes reductores, angular, de etapas multiples.
EP0295661A3 (en) A rear frame forming part of a supporting structure of a motor vehicle
US4306865A (en) Dental handpiece reduction gear
GB1168896A (en) Differential Gear Mechanisms
PL1676056T3 (pl) Różnicowy układ osi współrzędnych w przekładni różnicowej
EP0046030B1 (en) A framework structure
CN209587098U (zh) 一种机器人关节用正交式行星轮蜗轮蜗杆减速器
ES2139290T3 (es) Dispositivo de sincronizacion para acoplamientos de cambio de velocidad, especialmente de cajas de cambio de velocidades para automoviles.
FR2591699A1 (fr) Transmission pour une ou plusieurs machines motrices
CN209813709U (zh) 一种基于单行星排的单变速箱混合动力耦合桥
CN210821790U (zh) 一种两级减速同轴式电驱动装置
SE9404488L (sv) Planetväxel samt en tillsatsväxellåda
US3964325A (en) Power transmission device
CN116619427A (zh) 一种弹力索抓取机械手
CN221220319U (zh) 一种窗帘升降卷杆
FR3081959B1 (fr) Procede d'assemblage d'un reducteur et installation de mise en oeuvre du procede
JPH071056B2 (ja) 遊星歯車装置
CN223708440U (zh) 三联体四足机器人关节减速结构及机器人
CN213899774U (zh) 行星齿条90度直线往复机构

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971127