GB1293811A - Improvements in gas turbine engine lubricant sump vent and circulating system - Google Patents

Improvements in gas turbine engine lubricant sump vent and circulating system

Info

Publication number
GB1293811A
GB1293811A GB7776/70A GB777670A GB1293811A GB 1293811 A GB1293811 A GB 1293811A GB 7776/70 A GB7776/70 A GB 7776/70A GB 777670 A GB777670 A GB 777670A GB 1293811 A GB1293811 A GB 1293811A
Authority
GB
United Kingdom
Prior art keywords
air
chambers
bearing
chamber
passes
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.)
Expired
Application number
GB7776/70A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1293811A publication Critical patent/GB1293811A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Rolling Contact Bearings (AREA)
GB7776/70A 1969-02-24 1970-02-18 Improvements in gas turbine engine lubricant sump vent and circulating system Expired GB1293811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80128869A 1969-02-24 1969-02-24

Publications (1)

Publication Number Publication Date
GB1293811A true GB1293811A (en) 1972-10-25

Family

ID=25180695

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7776/70A Expired GB1293811A (en) 1969-02-24 1970-02-18 Improvements in gas turbine engine lubricant sump vent and circulating system

Country Status (6)

Country Link
US (1) US3528241A (enExample)
JP (1) JPS5239125B1 (enExample)
BE (1) BE746282A (enExample)
DE (1) DE2008209A1 (enExample)
FR (1) FR2033022A5 (enExample)
GB (1) GB1293811A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2626406A1 (de) * 1975-06-16 1976-12-30 Gen Electric Triebwerk mit variablem zyklus und mit geteiltem geblaeseabschnitt
RU2162957C2 (ru) * 1998-01-06 2001-02-10 Орловский государственный технический университет Авиационный газотурбинный двигатель
FR2903450A1 (fr) * 2006-07-07 2008-01-11 Snecma Sa Procede de traitement des rejets d'huile dans un moteur a turbine a gaz
CN110056430A (zh) * 2019-04-24 2019-07-26 中国航发湖南动力机械研究所 轴承共腔润滑与轴间封严装置及双转子航空发动机
US10590801B2 (en) 2017-03-14 2020-03-17 Rolls-Royce Plc Seal panel for a gas turbine engine

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609057A (en) * 1970-06-15 1971-09-28 United Aircraft Corp Turbine coolant flow system
CH557952A (de) * 1972-11-08 1975-01-15 Bbc Sulzer Turbomaschinen Gasturbinenanlage.
US3844110A (en) * 1973-02-26 1974-10-29 Gen Electric Gas turbine engine internal lubricant sump venting and pressurization system
US3925979A (en) * 1973-10-29 1975-12-16 Gen Electric Anti-icing system for a gas turbine engine
US3866415A (en) * 1974-02-25 1975-02-18 Gen Electric Fan blade actuator using pressurized air
US4005574A (en) * 1975-04-21 1977-02-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reverse pitch fan with divided splitter
US4265334A (en) * 1978-12-04 1981-05-05 General Electric Company Apparatus for lubrication of a differential bearing mounted between concentric shafts
GB2135740B (en) * 1983-02-11 1986-02-12 Rolls Royce Gas turbine engine lubrication systems
FR2556778B1 (fr) * 1983-12-14 1986-08-22 Snecma Dispositif de separation gaz-liquide et son application au deshuilage de l'air de ventilation des enceintes de paliers d'une turbomachine
US4542623A (en) * 1983-12-23 1985-09-24 United Technologies Corporation Air cooler for providing buffer air to a bearing compartment
US4561246A (en) * 1983-12-23 1985-12-31 United Technologies Corporation Bearing compartment for a gas turbine engine
US4824327A (en) * 1987-12-15 1989-04-25 United Technologies Corporation Gas turbine engine oil drain slot
US4900221A (en) * 1988-12-16 1990-02-13 General Electric Company Jet engine fan and compressor bearing support
US5144794A (en) * 1989-08-25 1992-09-08 Hitachi, Ltd. Gas turbine engine with cooling of turbine blades
US5220784A (en) * 1991-06-27 1993-06-22 Allied-Signal Inc. Gas turbine engine module assembly
US5267397A (en) * 1991-06-27 1993-12-07 Allied-Signal Inc. Gas turbine engine module assembly
US5537814A (en) * 1994-09-28 1996-07-23 General Electric Company High pressure gas generator rotor tie rod system for gas turbine engine
DE4435322B4 (de) * 1994-10-01 2005-05-04 Alstom Verfahren und Vorrichtung zur Wellendichtung und zur Kühlung auf der Abgasseite einer axialdurchströmten Gasturbine
RU2213228C1 (ru) * 2002-04-26 2003-09-27 Акционерное общество открытого типа "Авиамоторный научно-технический комплекс "Союз" Ротор турбины газотурбинного двигателя
RU2226612C2 (ru) * 2002-06-11 2004-04-10 Открытое акционерное общество "Авиадвигатель" Газотурбинный двигатель
US7296398B2 (en) * 2004-10-29 2007-11-20 General Electric Company Counter-rotating turbine engine and method of assembling same
FR2898939B1 (fr) * 2006-03-22 2008-05-09 Snecma Sa Systeme de degivrage d'un cone d'entree de turbomoteur pour aeronef
DE102007026060A1 (de) * 2007-06-01 2008-12-04 Rolls-Royce Deutschland Ltd & Co Kg Entlüftung für das Schmierölsystem eines Strahltriebwerks
US7942635B1 (en) * 2007-08-02 2011-05-17 Florida Turbine Technologies, Inc. Twin spool rotor assembly for a small gas turbine engine
FR2927366B1 (fr) * 2008-02-13 2013-07-05 Snecma Dispositif de recuperation d'huile.
US8192151B2 (en) 2009-04-29 2012-06-05 General Electric Company Turbine engine having cooling gland
US20110219784A1 (en) * 2010-03-10 2011-09-15 St Mary Christopher Compressor section with tie shaft coupling and cantilever mounted vanes
US20110219781A1 (en) * 2010-03-10 2011-09-15 Daniel Benjamin Gas turbine engine with tie shaft for axial high pressure compressor rotor
US8459943B2 (en) * 2010-03-10 2013-06-11 United Technologies Corporation Gas turbine engine rotor sections held together by tie shaft, and with blade rim undercut
US8517687B2 (en) * 2010-03-10 2013-08-27 United Technologies Corporation Gas turbine engine compressor and turbine section assembly utilizing tie shaft
US9212557B2 (en) 2011-08-31 2015-12-15 United Technologies Corporation Assembly and method preventing tie shaft unwinding
US8904746B2 (en) * 2011-09-05 2014-12-09 General Electric Company Method and apparatus for segregated oil supply and scavenge in a gas turbine engine
US10724431B2 (en) 2012-01-31 2020-07-28 Raytheon Technologies Corporation Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US8915057B2 (en) * 2012-02-10 2014-12-23 General Electric Company Gas turbine engine sump pressurization system
US9567908B2 (en) * 2012-04-27 2017-02-14 General Electric Company Mitigating vortex pumping effect upstream of oil seal
US9353647B2 (en) 2012-04-27 2016-05-31 General Electric Company Wide discourager tooth
EP2900998B1 (en) * 2012-09-27 2019-06-26 United Technologies Corporation Buffer airflow to bearing compartment
US9677421B2 (en) * 2012-10-24 2017-06-13 United Technologies Corporation Gas turbine engine rotor drain feature
FR2997996B1 (fr) * 2012-11-12 2015-01-09 Snecma Support de tube d'evacuation d'air dans une turbomachine
EP2803822B1 (fr) * 2013-05-13 2019-12-04 Safran Aero Boosters SA Système de prélèvement d'air de turbomachine axiale
US10060289B2 (en) 2014-07-29 2018-08-28 United Technologies Corporation Geared gas turbine engine with oil deaerator and air removal
DE102014119074A1 (de) * 2014-12-18 2016-06-23 Rolls-Royce Deutschland Ltd & Co Kg Ölkreislauf eines Flugtriebwerks
US9677424B2 (en) 2015-06-24 2017-06-13 General Electric Company Gas turbine engine
BE1023233B1 (fr) * 2015-07-01 2017-01-05 Safran Aero Boosters S.A. Tambour perfore de compresseur de turbomachine axiale
US10539076B2 (en) * 2015-11-10 2020-01-21 General Electric Company Self-contained lubrication cooling system with heat exchanger integrated with sump
US10221766B2 (en) * 2016-04-29 2019-03-05 General Electric Company Sump assembly for a gas turbine engine
US10550724B2 (en) * 2016-10-11 2020-02-04 General Electric Company System and method for the pressurization of a sump of a gas turbine engine
US10520035B2 (en) 2016-11-04 2019-12-31 United Technologies Corporation Variable volume bearing compartment
DE102017108597A1 (de) * 2017-04-21 2018-10-25 Rolls-Royce Deutschland Ltd & Co Kg Strahltriebwerk mit einer Kühleinrichtung
US11162457B2 (en) * 2017-08-11 2021-11-02 General Electric Company Turbine fan system and method
US11255221B2 (en) * 2017-09-20 2022-02-22 General Electric Company Lube system for geared turbine section
EP3561225B1 (en) 2018-04-24 2020-11-25 General Electric Company Method for repairing in-situ installations inside a compressor rear frame case of a gas turbine
FR3096725B1 (fr) * 2019-05-29 2021-05-14 Safran Helicopter Engines Module de turbomachine d’aeronef
US11352979B2 (en) * 2020-04-24 2022-06-07 Raytheon Technologies Corporation Housing less front bearing compartment for gas turbine engine
FR3111164B1 (fr) * 2020-06-05 2022-05-13 Safran Aircraft Engines Système d’élimination de dépôt interne dans un tube central d’évacuation de turboréacteur
US11459911B2 (en) 2020-10-30 2022-10-04 Raytheon Technologies Corporation Seal air buffer and oil scupper system and method
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
DE102022132856A1 (de) 2022-12-09 2024-06-20 Rolls-Royce Deutschland Ltd & Co Kg Flugzeugtriebwerk und Verfahren zur Temperierung einer Fan-Schaufel und / oder eines Einlaufkonus
US11905841B1 (en) * 2023-02-03 2024-02-20 Rtx Corporation Buffer air method and system for a bearing compartment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870870A (en) * 1955-10-26 1959-01-27 Rolls Royce Lubricating arrangements for rotating machinery
US2951337A (en) * 1957-05-28 1960-09-06 Gen Motors Corp Turbine air system
US3382670A (en) * 1966-12-01 1968-05-14 Gen Electric Gas turbine engine lubrication system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2626406A1 (de) * 1975-06-16 1976-12-30 Gen Electric Triebwerk mit variablem zyklus und mit geteiltem geblaeseabschnitt
RU2162957C2 (ru) * 1998-01-06 2001-02-10 Орловский государственный технический университет Авиационный газотурбинный двигатель
FR2903450A1 (fr) * 2006-07-07 2008-01-11 Snecma Sa Procede de traitement des rejets d'huile dans un moteur a turbine a gaz
EP1878894A1 (fr) * 2006-07-07 2008-01-16 Snecma Procédé de traitement des rejets d'huiles dans un moteur à turbine à gaz
US7690184B2 (en) 2006-07-07 2010-04-06 Snecma Method for treating oil waste in a gas turbine engine
US10590801B2 (en) 2017-03-14 2020-03-17 Rolls-Royce Plc Seal panel for a gas turbine engine
CN110056430A (zh) * 2019-04-24 2019-07-26 中国航发湖南动力机械研究所 轴承共腔润滑与轴间封严装置及双转子航空发动机
CN110056430B (zh) * 2019-04-24 2020-04-07 中国航发湖南动力机械研究所 轴承共腔润滑与轴间封严装置及双转子航空发动机

Also Published As

Publication number Publication date
US3528241A (en) 1970-09-15
FR2033022A5 (enExample) 1970-11-27
BE746282A (fr) 1970-07-31
DE2008209A1 (de) 1970-09-03
JPS5239125B1 (enExample) 1977-10-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee