BR112013006328A2 - sistema de pressurização dos recintos de mancais de turbomáquinas por meio de ar retirado do duto de entrada - Google Patents

sistema de pressurização dos recintos de mancais de turbomáquinas por meio de ar retirado do duto de entrada

Info

Publication number
BR112013006328A2
BR112013006328A2 BR112013006328A BR112013006328A BR112013006328A2 BR 112013006328 A2 BR112013006328 A2 BR 112013006328A2 BR 112013006328 A BR112013006328 A BR 112013006328A BR 112013006328 A BR112013006328 A BR 112013006328A BR 112013006328 A2 BR112013006328 A2 BR 112013006328A2
Authority
BR
Brazil
Prior art keywords
air drawn
enclosure
inlet duct
bearing housings
pressurization system
Prior art date
Application number
BR112013006328A
Other languages
English (en)
Inventor
Dominik Igel
Nelson Dos Santos
Serge René Morreale
Original Assignee
Snecma
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 Snecma filed Critical Snecma
Publication of BR112013006328A2 publication Critical patent/BR112013006328A2/pt

Links

Classifications

    • 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
    • F01D25/18—Lubricating arrangements
    • F01D25/20—Lubricating arrangements using lubrication pumps
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F01D25/125—Cooling of bearings
    • 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
    • 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
    • F01D25/18—Lubricating arrangements
    • 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
    • F01D25/18—Lubricating arrangements
    • F01D25/183—Sealing means
    • 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
    • F01D25/18—Lubricating arrangements
    • F01D25/22—Lubricating arrangements using working-fluid or other gaseous fluid as lubricant
    • 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
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
    • 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
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/13—Kind or type mixed, e.g. two-phase fluid
    • 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
    • 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
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • 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

Abstract

sistema de pressurização dos recintos de mancais de turbomáquinas por meio de ar retirado do duto de entrada. sistema de pressurizada ação de no mínimo um recinto (10) de lubrificação dos mancais de uma turbomáquina que compreende um circuito de alimentação de ar sob pressão do dito recinto e um circuito de recuperação de neblina de óleo formada no recinto e de retorno desta neblina em direção do reservatório de óleo da turbomáquina, caracterizado pelo fato de o circuito de alimentação alimentar a dito recinto por meio do ar retirado à montante de compressor de baixa pressão.
BR112013006328A 2010-09-23 2011-09-22 sistema de pressurização dos recintos de mancais de turbomáquinas por meio de ar retirado do duto de entrada BR112013006328A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057642A FR2965299B1 (fr) 2010-09-23 2010-09-23 Systeme de pressurisation des enceintes de paliers des turbomachines par de l'air preleve dans la manche d'entree.
PCT/FR2011/052197 WO2012038667A1 (fr) 2010-09-23 2011-09-22 Systeme de pressurisation des enceintes de paliers des turbomachines par de l'air preleve dans la manche d'entree

Publications (1)

Publication Number Publication Date
BR112013006328A2 true BR112013006328A2 (pt) 2016-06-21

Family

ID=43466411

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013006328A BR112013006328A2 (pt) 2010-09-23 2011-09-22 sistema de pressurização dos recintos de mancais de turbomáquinas por meio de ar retirado do duto de entrada

Country Status (8)

Country Link
US (1) US9540951B2 (pt)
EP (1) EP2619419B1 (pt)
CN (1) CN103140651B (pt)
BR (1) BR112013006328A2 (pt)
CA (1) CA2811409A1 (pt)
FR (1) FR2965299B1 (pt)
RU (1) RU2013115738A (pt)
WO (1) WO2012038667A1 (pt)

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EP2909450B1 (fr) * 2012-10-19 2016-12-07 Safran Aircraft Engines Trompe a jet pour depressuriser des enceintes de lubrification d'une turbomachine a doubles injecteurs independants
FR3008449B1 (fr) * 2013-07-12 2015-07-24 Snecma Dispositif de refroidissement d'huile pour une turbomachine
FR3018094B1 (fr) 2014-02-28 2021-12-03 Snecma Rotor de soufflante pour une turbomachine telle qu'un turboreacteur multiflux entraine par reducteur
FR3027625B1 (fr) * 2014-10-27 2016-12-30 Snecma Turbomachine comprenant un generateur de courant electrique permettant l'injection d'huile depuis l'interieur d'un arbre de turbine
US20170211417A1 (en) * 2016-01-21 2017-07-27 United Technologies Corporation Systems and methods for cooling a bearing
FR3056635B1 (fr) * 2016-09-26 2020-05-29 Safran Helicopter Engines Systeme de deshuilage d'un melange air/huile de pressurisation d'etancheites d'une turbomachine
EP3450722B1 (en) * 2017-08-31 2024-02-14 General Electric Company Air delivery system for a gas turbine engine
US20190120140A1 (en) * 2017-10-24 2019-04-25 United Technologies Corporation Gas turbine engine with vacuum generator for reducing bearing compartment pressure
IT201800006394A1 (it) * 2018-06-18 2019-12-18 Sistema di spurgo per cassa cuscino
FR3085433B1 (fr) 2018-08-28 2020-08-07 Safran Aircraft Engines Turbomachine a rattrapage d'effort axial au niveau de la soufflante par amenee de gaz sous pression
FR3085436B1 (fr) 2018-08-28 2021-05-14 Safran Aircraft Engines Turbomachine a rattrapage d'effort axial au niveau d'un palier
CN109779702B (zh) * 2019-03-29 2024-01-26 中国船舶重工集团公司第七0四研究所 油路高度集成的汽轮机轴承座结构

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
GB695482A (en) * 1950-11-28 1953-08-12 Rolls Royce Improvements in or relating to gas-turbine engines
US3722624A (en) * 1971-06-07 1973-03-27 Gen Electric Bearing seal and oil tank ventilation system
US5076765A (en) * 1988-08-03 1991-12-31 Nissan Motor Company, Altd. Shaft seal arrangement of turbocharger
US5144794A (en) * 1989-08-25 1992-09-08 Hitachi, Ltd. Gas turbine engine with cooling of turbine blades
FR2696655B1 (fr) * 1992-10-14 1994-11-10 Snecma Appareil pour séparer une suspension de liquide dans un gaz.
US6470666B1 (en) * 2001-04-30 2002-10-29 General Electric Company Methods and systems for preventing gas turbine engine lube oil leakage
US20030097872A1 (en) * 2001-11-29 2003-05-29 Granitz Charles Robert System for reducing oil consumption in gas turbine engines
US7063734B2 (en) 2004-03-23 2006-06-20 Pratt & Whitney Canada Corp. Air/oil separation system and method
US7377110B2 (en) * 2004-03-31 2008-05-27 United Technologies Corporation Deoiler for a lubrication system
US7836675B2 (en) * 2006-02-21 2010-11-23 General Electric Company Supercore sump vent pressure control
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US8245818B2 (en) * 2007-10-23 2012-08-21 Pratt & Whitney Canada Corp. Gas turbine oil scavenging system

Also Published As

Publication number Publication date
RU2013115738A (ru) 2014-10-27
EP2619419B1 (fr) 2014-11-05
FR2965299B1 (fr) 2012-10-05
US9540951B2 (en) 2017-01-10
FR2965299A1 (fr) 2012-03-30
CN103140651B (zh) 2015-04-15
US20130177398A1 (en) 2013-07-11
WO2012038667A1 (fr) 2012-03-29
CA2811409A1 (fr) 2012-03-29
CN103140651A (zh) 2013-06-05
EP2619419A1 (fr) 2013-07-31

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]