DE69400274D1 - Druckentlastungsvorrichtung für Lagerschmierräume - Google Patents

Druckentlastungsvorrichtung für Lagerschmierräume

Info

Publication number
DE69400274D1
DE69400274D1 DE69400274T DE69400274T DE69400274D1 DE 69400274 D1 DE69400274 D1 DE 69400274D1 DE 69400274 T DE69400274 T DE 69400274T DE 69400274 T DE69400274 T DE 69400274T DE 69400274 D1 DE69400274 D1 DE 69400274D1
Authority
DE
Germany
Prior art keywords
rooms
pressure relief
relief device
bearing lubrication
lubrication
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 - Lifetime
Application number
DE69400274T
Other languages
English (en)
Other versions
DE69400274T2 (de
Inventor
Christian Largillier
Jerome Friedel
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
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE69400274D1 publication Critical patent/DE69400274D1/de
Publication of DE69400274T2 publication Critical patent/DE69400274T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D25/20—Lubricating arrangements using lubrication pumps
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/601—Fluid transfer using an ejector or a jet pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69400274T 1993-05-25 1994-05-25 Druckentlastungsvorrichtung für Lagerschmierräume Expired - Lifetime DE69400274T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9306206A FR2705733B1 (fr) 1993-05-25 1993-05-25 Dispositif de dépressurisation des chambres de lubrification entourant les paliers d'une turbomachine.

Publications (2)

Publication Number Publication Date
DE69400274D1 true DE69400274D1 (de) 1996-08-08
DE69400274T2 DE69400274T2 (de) 1997-01-30

Family

ID=9447407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400274T Expired - Lifetime DE69400274T2 (de) 1993-05-25 1994-05-25 Druckentlastungsvorrichtung für Lagerschmierräume

Country Status (4)

Country Link
US (1) US5429208A (de)
EP (1) EP0626503B1 (de)
DE (1) DE69400274T2 (de)
FR (1) FR2705733B1 (de)

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US6102577A (en) * 1998-10-13 2000-08-15 Pratt & Whitney Canada Corp. Isolated oil feed
JP2003511618A (ja) 1999-10-12 2003-03-25 エーエルエム ディベロップメント インコーポレイテッド ターボ形機械の軸受用潤滑システム
US6470666B1 (en) * 2001-04-30 2002-10-29 General Electric Company Methods and systems for preventing gas turbine engine lube oil leakage
FR2836709B1 (fr) * 2002-03-01 2004-09-24 Flender Graffenstaden Mecanisme a engrenages a dispositif de controle pour la creation d'une atmosphere rarefiee
US6799112B1 (en) * 2003-10-03 2004-09-28 General Electric Company Methods and apparatus for operating gas turbine engines
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
US8245818B2 (en) * 2007-10-23 2012-08-21 Pratt & Whitney Canada Corp. Gas turbine oil scavenging system
US7931124B2 (en) * 2007-12-12 2011-04-26 United Technologies Corporation On-demand lubrication system and method for improved flow management and containment
DE102008057828A1 (de) * 2008-11-18 2010-05-20 Rolls-Royce Deutschland Ltd & Co Kg Fluggasturbinen-Ölsystemerwärmung
DE102009060051A1 (de) * 2009-12-21 2011-06-22 Rolls-Royce Deutschland Ltd & Co KG, 15827 Anordnung zum Abblasen von aus dem Schmierölentlüftungssystem eines Gasturbinentriebwerks ab getrennter Abluft
US8601785B2 (en) * 2010-06-23 2013-12-10 Pratt & Whitney Canada Corp. Oil supply system with main pump deaeration
GB2483714A (en) * 2010-09-20 2012-03-21 Rolls Royce Plc Gas turbine engine bearing housing sealing
US8956106B2 (en) 2011-12-20 2015-02-17 General Electric Company Adaptive eductor system
GB201200290D0 (en) * 2012-01-10 2012-02-22 Rolls Royce Plc Gas turbine engine buffer seals
DE102012218135B4 (de) * 2012-10-04 2017-07-27 Rolls-Royce Deutschland Ltd & Co Kg Lagerkammerentlüftungssystem für ein Flugzeugtriebwerk und Verfahren zum Bereitstellen eines gewünschten Druckverhältnisses an Lagerkammerdichtungen einer luftgedichteten Lagerkammer
US9790856B2 (en) 2012-10-19 2017-10-17 Snecma Jet pump for depressurizing lubrication chambers of a turbomachine, having independent double injectors
FR3001498B1 (fr) 2013-01-30 2015-02-27 Snecma Partie fixe de recepteur de turbomachine comprenant un ensemble de maintien en position de servitudes a l'interieur d'un arbre creux fixe
GB201303636D0 (en) 2013-03-01 2013-04-17 Rolls Royce Plc Chamber fluid removal system
FR3011582B1 (fr) * 2013-10-03 2015-12-25 Snecma Trompe a jet pour circuit de depressurisation d'une chambre de lubrification
FR3011583B1 (fr) * 2013-10-03 2018-01-12 Safran Aircraft Engines Trompe a jet pour depressuriser des enceintes de lubrification d'une turbomachine a injecteurs independants coaxiaux
EP2975227B1 (de) * 2014-07-14 2018-10-03 Rolls-Royce Corporation Schmiersystem für gasturbinenmotoren
FR3024492B1 (fr) * 2014-07-29 2019-08-23 Safran Aircraft Engines Element comprenant un stator et un rotor de turbomachine avec un joint d'etancheite et test de ce joint
FR3034752B1 (fr) * 2015-04-10 2018-07-13 Safran Aircraft Engines Dispositif de mise en depression d'une enceinte d'huile par un circuit d'alimentation en air d'aeronef
US10318904B2 (en) 2016-05-06 2019-06-11 General Electric Company Computing system to control the use of physical state attainment of assets to meet temporal performance criteria
DE102016114394A1 (de) 2016-08-03 2018-02-08 Rolls-Royce Deutschland Ltd & Co Kg Vorrichtung einer Strömungsmaschine zum Abscheiden von Öl aus einem Luft-Öl-Volumenstrom
PL421044A1 (pl) * 2017-03-30 2018-10-08 General Electric Company Układ oraz sposób dla pompy strumieniowej silnika zasilanej przez zamienny układ regulacji przepływu powietrza
DE102017211538A1 (de) * 2017-07-06 2019-01-10 Zf Friedrichshafen Ag Verfahren zur Erfassung einer Undichtigkeit der Hauptpumpe
FR3071549B1 (fr) * 2017-09-25 2022-05-20 Safran Aircraft Engines Enceinte lubrifiee de moteur comprenant un systeme de depressurisation ameliore
CN112469889B (zh) 2018-07-05 2022-12-13 赛峰集团 用于涡轮机离心式通气器的具有过滤网的部件
FR3096402B1 (fr) * 2019-05-24 2022-03-04 Safran Pièce pour dégazeur centrifuge de turbomachine avec treillis de filtrage
FR3083570B1 (fr) 2018-07-05 2021-09-10 Safran Helicopter Engines Degazeur centrifuge monobloc
US11162420B2 (en) * 2018-10-05 2021-11-02 Pratt & Whitney Canada Corp. Gas turbine engine oil scavenging system and method
US11274599B2 (en) 2019-03-27 2022-03-15 Pratt & Whitney Canada Corp. Air system switching system to allow aero-engines to operate in standby mode
US11391219B2 (en) 2019-04-18 2022-07-19 Pratt & Whitney Canada Corp. Health monitor for air switching system
US11274611B2 (en) 2019-05-31 2022-03-15 Pratt & Whitney Canada Corp. Control logic for gas turbine engine fuel economy
US11859563B2 (en) 2019-05-31 2024-01-02 Pratt & Whitney Canada Corp. Air system of multi-engine aircraft
US11859536B2 (en) * 2019-05-31 2024-01-02 Pratt & Whitney Canada Corp. Air system of multi-engine aircraft
US11555456B2 (en) 2019-07-24 2023-01-17 Pratt & Whitney Canada Corp. Fuel delivery system and method
US11326525B2 (en) 2019-10-11 2022-05-10 Pratt & Whitney Canada Corp. Aircraft bleed air systems and methods
EP3951139A1 (de) * 2020-08-03 2022-02-09 ABB Schweiz AG Wellenlageranordnung mit einer druckreduziervorrichtung und verfahren zur reduzierung eines drucks innerhalb eines eine welle tragenden lagergehäuses

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US2432130A (en) * 1942-07-04 1947-12-09 Sharpies Corp Oil circulating and feeding system
US2487842A (en) * 1948-03-09 1949-11-15 Westinghouse Electric Corp Aircraft power plant apparatus
US2571166A (en) * 1948-11-18 1951-10-16 Westinghouse Electric Corp Power plant lubrication system
US2888097A (en) * 1957-07-12 1959-05-26 Westinghouse Electric Corp Lubrication system
US4105093A (en) * 1977-02-03 1978-08-08 Westinghouse Electric Corp. Control system for pressurized lubricating system
GB2084266B (en) * 1980-09-26 1984-12-19 Rolls Royce Oil system for aircraft gas turbine engine
DE3242366C2 (de) * 1982-11-16 1985-02-07 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Ölversorgungseinrichtung für beliebigen Flugsituationen aussetzbare Gasturbinentriebwerke
US4717000A (en) * 1986-08-05 1988-01-05 Avco Corporation Integrated emergency lubrication system
US4888947A (en) * 1988-10-31 1989-12-26 General Motors Corporation Secondary oil system
US5045711A (en) * 1989-08-21 1991-09-03 Rotoflow Corporation Turboexpander-generator
US5046306A (en) * 1990-07-23 1991-09-10 General Motors Corporation Secondary oil system
US5121599A (en) * 1991-02-21 1992-06-16 United Technologies Corporation Oil filtration system and method

Also Published As

Publication number Publication date
FR2705733A1 (fr) 1994-12-02
EP0626503A1 (de) 1994-11-30
FR2705733B1 (fr) 1995-06-30
EP0626503B1 (de) 1996-07-03
DE69400274T2 (de) 1997-01-30
US5429208A (en) 1995-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SNECMA MOTEURS, PARIS, FR

8327 Change in the person/name/address of the patent owner

Owner name: SNECMA, PARIS, FR