FR2614937B1 - Turbopropulseur de type propfan a systeme de lubrification d'huile annulaire - Google Patents

Turbopropulseur de type propfan a systeme de lubrification d'huile annulaire

Info

Publication number
FR2614937B1
FR2614937B1 FR8805007A FR8805007A FR2614937B1 FR 2614937 B1 FR2614937 B1 FR 2614937B1 FR 8805007 A FR8805007 A FR 8805007A FR 8805007 A FR8805007 A FR 8805007A FR 2614937 B1 FR2614937 B1 FR 2614937B1
Authority
FR
France
Prior art keywords
turbopropeller
propfan
type
lubrication system
annular oil
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 - Fee Related
Application number
FR8805007A
Other languages
English (en)
Other versions
FR2614937A1 (fr
Inventor
Geidel Helmut
Rohra Alois
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.)
MTU Aero Engines GmbH
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of FR2614937A1 publication Critical patent/FR2614937A1/fr
Application granted granted Critical
Publication of FR2614937B1 publication Critical patent/FR2614937B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • 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
    • F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
    • 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
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • General Details Of Gearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Seal Device For Vehicle (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
FR8805007A 1987-05-06 1988-04-15 Turbopropulseur de type propfan a systeme de lubrification d'huile annulaire Expired - Fee Related FR2614937B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873714990 DE3714990A1 (de) 1987-05-06 1987-05-06 Propfan-turbotriebwerk

Publications (2)

Publication Number Publication Date
FR2614937A1 FR2614937A1 (fr) 1988-11-10
FR2614937B1 true FR2614937B1 (fr) 1993-10-15

Family

ID=6326892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8805007A Expired - Fee Related FR2614937B1 (fr) 1987-05-06 1988-04-15 Turbopropulseur de type propfan a systeme de lubrification d'huile annulaire

Country Status (6)

Country Link
US (1) US4887424A (fr)
JP (1) JP2645447B2 (fr)
DE (1) DE3714990A1 (fr)
FR (1) FR2614937B1 (fr)
GB (1) GB2204642B (fr)
IT (1) IT1217508B (fr)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782658A (en) * 1987-05-07 1988-11-08 Rolls-Royce Plc Deicing of a geared gas turbine engine
DE3828834C1 (fr) * 1988-08-25 1989-11-02 Mtu Muenchen Gmbh
US5012639A (en) * 1989-01-23 1991-05-07 United Technologies Corporation Buffer region for the nacelle of a gas turbine engine
US5127222A (en) * 1989-01-23 1992-07-07 United Technologies Corporation Buffer region for the nacelle of a gas turbine engine
GB2234805A (en) * 1989-08-04 1991-02-13 Rolls Royce Plc A heat exchanger arrangement for a gas turbine engine
GB2436425B (en) 1989-11-03 2008-06-11 Rolls Royce Plc Improvements in or relating to lubrication systems for aircraft engines
DE3941852A1 (de) * 1989-12-19 1991-06-20 Mtu Muenchen Gmbh Propfantriebwerk mit zwei entgegengesetzt drehenden fanrotoren
US5186609A (en) * 1990-12-20 1993-02-16 Honda Giken Kogyo Kabushiki Kaisha Contrarotating propeller type propulsion system
US5284012A (en) * 1991-05-16 1994-02-08 General Electric Company Nacelle cooling and ventilation system
DE19524731A1 (de) * 1995-07-07 1997-01-09 Bmw Rolls Royce Gmbh Turboprop-Triebwerk mit einem Luft-Ölkühler
DE19852768A1 (de) * 1998-11-16 2000-05-18 Bmw Rolls Royce Gmbh Kleingasturbine mit einer Radial- oder Slinger-Brennkammer
US6651929B2 (en) 2001-10-29 2003-11-25 Pratt & Whitney Canada Corp. Passive cooling system for auxiliary power unit installation
US7021042B2 (en) * 2002-12-13 2006-04-04 United Technologies Corporation Geartrain coupling for a turbofan engine
US7055303B2 (en) * 2003-12-22 2006-06-06 Pratt & Whitney Canada Corp. Gas turbine engine architecture
US7231767B2 (en) * 2004-04-16 2007-06-19 Pratt & Whitney Canada Corp. Forced air cooling system
US7377098B2 (en) * 2004-08-26 2008-05-27 United Technologies Corporation Gas turbine engine frame with an integral fluid reservoir and air/fluid heat exchanger
US7937927B2 (en) 2004-12-01 2011-05-10 United Technologies Corporation Counter-rotating gearbox for tip turbine engine
DE602004016059D1 (de) * 2004-12-01 2008-10-02 United Technologies Corp Tip-turbinentriebwerk mit wärmetauscher
DE602004019710D1 (de) * 2004-12-01 2009-04-09 United Technologies Corp Fernbetätigung für eine verstellbare stufe eines verdichters für einen turbinenmotor
US7845157B2 (en) 2004-12-01 2010-12-07 United Technologies Corporation Axial compressor for tip turbine engine
WO2006060004A1 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Dispositif de combustion pour moteur de turbine
EP1828568B1 (fr) * 2004-12-01 2011-03-23 United Technologies Corporation Ensemble rotor de soufflante-turbine pour moteur a turbine de bout
EP1831521B1 (fr) 2004-12-01 2008-08-20 United Technologies Corporation Ensemble aubes de guidage d'admission de soufflante variable, turbomachine dotee d'un tel ensemble et procede de commande correspondant
WO2006059979A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Carter intégral, aube fixe, bâti et mélangeur d'un moteur à turbine en bout
WO2006059975A1 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Foyer peripherique pour moteur a turbine de bout
DE602004019709D1 (de) 2004-12-01 2009-04-09 United Technologies Corp Tip-turbinentriebwerk und entsprechendes betriebsverfahren
EP1828574B1 (fr) * 2004-12-01 2010-11-03 United Technologies Corporation Ensemble de boite de vitesses a couplage proximal pour moteur de turbine a pression d'entree
EP1825116A2 (fr) 2004-12-01 2007-08-29 United Technologies Corporation Refroidissement par ejecteur de l'enveloppe exterieure d'un moteur a turbine de bout
WO2006059990A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Refroidissement regeneratif des aubes et pales de turbine pour moteur a turbine d'extremite
US7854112B2 (en) 2004-12-01 2010-12-21 United Technologies Corporation Vectoring transition duct for turbine engine
EP1819907A2 (fr) * 2004-12-01 2007-08-22 United Technologies Corporation Pale de ventilateur comprenant une section de diffuseur integrale et une section de pale de turbine a aube destine a une moteur a turbine a aube
WO2006060005A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Ensemble de rotor de turbine-ventilateur avec section d’induction integrale pour moteur de turbine a pression d’entree
WO2006059980A2 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Aspiration par diffuseur pour moteur a turbine d'extremite
US9003759B2 (en) 2004-12-01 2015-04-14 United Technologies Corporation Particle separator for tip turbine engine
US7882695B2 (en) 2004-12-01 2011-02-08 United Technologies Corporation Turbine blow down starter for turbine engine
WO2006059992A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Inducteur de pale de ventilateur de moteur de turbine a pression d’entree
EP1825177B1 (fr) 2004-12-01 2012-01-25 United Technologies Corporation Purgeur gonflable destine a un moteur a turbine et methode de reglage d'air de purge
US9845727B2 (en) * 2004-12-01 2017-12-19 United Technologies Corporation Tip turbine engine composite tailcone
EP1834067B1 (fr) * 2004-12-01 2008-11-26 United Technologies Corporation Ensemble de pales de soufflante pour moteur a turbine de bout et procede de montage
WO2006060013A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Ensemble de joint de rotor de ventilateur de moteur de turbine a pression d’entree
EP1834076B1 (fr) * 2004-12-01 2011-04-06 United Technologies Corporation Groupe d'aubes de turbine d'un rotor de soufflante et procédé de montage d'un tel groupe
US8033092B2 (en) * 2004-12-01 2011-10-11 United Technologies Corporation Tip turbine engine integral fan, combustor, and turbine case
US8083030B2 (en) * 2004-12-01 2011-12-27 United Technologies Corporation Gearbox lubrication supply system for a tip engine
EP1831519B1 (fr) 2004-12-01 2010-08-04 United Technologies Corporation Moteur à turbine en bout avec étages soufflante et turbine multiples
WO2006059989A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Structure de support de moteur a turbine de bout
EP1825117B1 (fr) * 2004-12-01 2012-06-13 United Technologies Corporation Moteur à turbine équipé d'une soufflante et d'un compresseur entraînés par un engrenage différentiel
US8033094B2 (en) * 2004-12-01 2011-10-11 United Technologies Corporation Cantilevered tip turbine engine
WO2006059999A1 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Pluralite d'aubages directeurs d'entree commandes individuellement dans un reacteur a double flux et procede de commande correspondant
WO2006059988A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Moteur a turbine de bout modulaire
US7883314B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan-turbine rotor of a tip turbine engine
US8757959B2 (en) * 2004-12-01 2014-06-24 United Technologies Corporation Tip turbine engine comprising a nonrotable compartment
US8096753B2 (en) 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
EP1841960B1 (fr) * 2004-12-01 2011-05-25 United Technologies Corporation Ailettes de rotor de soufflante pour moteur a turbine en bout
US8087885B2 (en) 2004-12-01 2012-01-03 United Technologies Corporation Stacked annular components for turbine engines
EP1825111B1 (fr) * 2004-12-01 2011-08-31 United Technologies Corporation Carter de compresseur à rotation inverse pour un moteur à turbine en bout
EP1828545A2 (fr) 2004-12-01 2007-09-05 United Technologies Corporation Elements annulaires de rotor de turbine
WO2006059981A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Joint hydraulique pour boite de vitesses de moteur a turbine d'extremite
US8807936B2 (en) * 2004-12-01 2014-08-19 United Technologies Corporation Balanced turbine rotor fan blade for a tip turbine engine
WO2006062497A1 (fr) * 2004-12-04 2006-06-15 United Technologies Corporation Bâti moteur à turbine en bout de pale
US7603844B2 (en) * 2005-10-19 2009-10-20 General Electric Company Gas turbine engine assembly and methods of assembling same
US7493754B2 (en) * 2005-10-19 2009-02-24 General Electric Company Gas turbine engine assembly and methods of assembling same
US7490461B2 (en) * 2005-10-19 2009-02-17 General Electric Company Gas turbine engine assembly and methods of assembling same
US7513103B2 (en) * 2005-10-19 2009-04-07 General Electric Company Gas turbine engine assembly and methods of assembling same
US7752836B2 (en) * 2005-10-19 2010-07-13 General Electric Company Gas turbine assembly and methods of assembling same
DE602006013168D1 (de) * 2006-12-21 2010-05-06 Techspace Aero Sa Absperrventil für den Ölkreislauf in einem Flugzeugmotor
US8967945B2 (en) 2007-05-22 2015-03-03 United Technologies Corporation Individual inlet guide vane control for tip turbine engine
US8172512B2 (en) * 2008-04-23 2012-05-08 Hamilton Sundstrand Corporation Accessory gearbox system with compressor driven seal air supply
GB2472445B (en) * 2009-08-07 2011-08-03 Rolls Royce Plc A propulsion unit
FR2955085B1 (fr) * 2010-01-08 2011-12-23 Snecma Systeme d'helices contrarotatives pour turbomachine d'aeronef
US20110182723A1 (en) * 2010-01-26 2011-07-28 Airbus Operations (S.A.S) Turbomachine aircraft propeller
US8602717B2 (en) * 2010-10-28 2013-12-10 United Technologies Corporation Compression system for turbomachine heat exchanger
GB201104463D0 (en) * 2011-03-17 2011-04-27 Rolls Royce Plc Rotating fluid pumping system
US8973552B2 (en) 2011-06-27 2015-03-10 United Technologies Corporation Integral oil system
FR2980546B1 (fr) * 2011-09-27 2014-05-16 Snecma Dispositif de lubrification d'une boite d'engrenage par une came exentrique
US10240526B2 (en) 2012-01-31 2019-03-26 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US10287914B2 (en) 2012-01-31 2019-05-14 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section and bearing support features
US20130192263A1 (en) * 2012-01-31 2013-08-01 Gabriel L. Suciu Gas turbine engine with high speed low pressure turbine section
US9845726B2 (en) 2012-01-31 2017-12-19 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
JP5915352B2 (ja) * 2012-04-19 2016-05-11 トヨタ自動車株式会社 変速機を備えたターボプロップ／ファン型ジェットエンジン
US20150308351A1 (en) 2012-05-31 2015-10-29 United Technologies Corporation Fundamental gear system architecture
US8572943B1 (en) * 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
US9945252B2 (en) * 2012-07-05 2018-04-17 United Technologies Corporation Gas turbine engine oil tank with integrated packaging configuration
EP2932068B1 (fr) * 2012-12-13 2017-11-15 United Technologies Corporation Moteur à turbine à gaz pourvu d'un système de refroidissement pour système d'engrenages d'entraînement et commande de pas
US10280794B2 (en) * 2013-03-15 2019-05-07 United Technologies Corporation Compartment shielding
GB201400795D0 (en) * 2014-01-17 2014-03-05 Rolls Royce Plc Oil system
GB201406952D0 (en) * 2014-04-17 2014-06-04 Rolls Royce Plc Open rotor propulsion engine
US9777595B2 (en) 2015-05-05 2017-10-03 United Technologies Corporation Lubrication system for geared gas turbine engine
US10669946B2 (en) 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine
US10539076B2 (en) * 2015-11-10 2020-01-21 General Electric Company Self-contained lubrication cooling system with heat exchanger integrated with sump
US10371096B2 (en) * 2015-11-17 2019-08-06 General Electric Company Gas turbine engine fan
US11225975B2 (en) 2015-11-17 2022-01-18 General Electric Company Gas turbine engine fan
US10570824B2 (en) * 2015-11-23 2020-02-25 United Technologies Corporation Near zero velocity lubrication system for a turbine engine
EP3181833B1 (fr) * 2015-12-17 2022-09-07 Rolls-Royce Deutschland Ltd & Co KG Système d'échange de chaleur destiné à une boîte d'engrenages de puissance, boîte d'engrenages de puissance et moteur turbo avec une boîte d'engrenages de puissance
EP3181834B1 (fr) 2015-12-17 2022-09-07 Rolls-Royce Deutschland Ltd & Co KG Système d'échange de chaleur destiné à une boîte d'engrenages de puissance, boîte d'engrenages de puissance et moteur turbo avec une boîte d'engrenages de puissance
US10301969B2 (en) 2016-11-11 2019-05-28 Pratt & Whitney Canada Corp. Oil tank assembly for gas turbine engine
US10816007B2 (en) * 2016-11-11 2020-10-27 Pratt & Whitney Canada Corp. Oil tank installation in gas turbine engine
JP7333144B2 (ja) * 2018-03-16 2023-08-24 ジョビー エアロ インク 航空機抗力低減システム及び内部冷却電気モータ・システム並びにこれらを使用する航空機
GB201807201D0 (en) 2018-05-02 2018-06-13 Rolls Royce Plc Oil tank filling system
GB201807200D0 (en) * 2018-05-02 2018-06-13 Rolls Royce Plc Oil tank filling system
FR3098860B1 (fr) 2019-07-16 2021-06-18 Safran Trans Systems Reducteur a train epicycloïdal pour une turbomachine
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
CN113639029B (zh) * 2021-08-16 2023-04-25 上海尚实航空发动机股份有限公司 一种涡桨发动机减速箱单元体
FR3144194A1 (fr) * 2022-12-21 2024-06-28 Safran Aircraft Engines Système propulsif aéronautique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474143A (en) * 1944-07-13 1949-06-21 Fairey Aviat Co Ltd Propulsion means for aircraft and the like
US2587649A (en) * 1946-10-18 1952-03-04 Pope Francis Selective turbopropeller jet power plant for aircraft
US2619797A (en) * 1948-01-28 1952-12-02 Rolls Royce Gas turbine engine driving a propeller
DE853562C (de) * 1950-04-01 1952-10-27 Gen Motors Corp Kraftantrieb, insbesondere Flugzeugpropellerantrieb
DE1159236B (de) * 1959-09-03 1963-12-12 Daimler Benz Ag Anordnung der Schmieroelfoerderpumpe am Gehaeuse von Getrieben, insbesondere von Untersetzungsgetrieben fuer Flugzeugtriebwerke
GB1322405A (en) * 1970-10-02 1973-07-04 Secr Defence Oil systems for gas turbine engines
US3912418A (en) * 1974-10-01 1975-10-14 United Technologies Corp Lubrication system for a rotor
GB2131094A (en) * 1982-11-29 1984-06-13 Gen Electric Engine oil heat recovery system
DE3422043A1 (de) * 1984-06-14 1985-12-19 Klöckner-Humboldt-Deutz AG, 5000 Köln Planetengetriebe
US4693672A (en) * 1986-10-30 1987-09-15 United Technologies Corporation Two level oil dam

Also Published As

Publication number Publication date
JP2645447B2 (ja) 1997-08-25
DE3714990A1 (de) 1988-12-01
GB2204642B (en) 1992-01-08
GB8809987D0 (en) 1988-06-02
JPS63289229A (ja) 1988-11-25
FR2614937A1 (fr) 1988-11-10
DE3714990C2 (fr) 1990-07-05
GB2204642A (en) 1988-11-16
US4887424A (en) 1989-12-19
IT8820474A0 (it) 1988-05-05
IT1217508B (it) 1990-03-22

Similar Documents

Publication Publication Date Title
FR2614937B1 (fr) Turbopropulseur de type propfan a systeme de lubrification d'huile annulaire
AU568795B2 (en) Lubricating oil filtration system
GB8818711D0 (en) Lubricating oil dispersants
EP0250058A3 (en) Oil scavenge system
FR2607185B1 (fr) Systeme de lubrification pour demarreur de turbomachine
FR2448656B1 (fr) Systeme de lubrification a organe d'impulsion pour palier encastre de transmission
DE69006453D1 (de) Schmierölrückgewinnungssystem.
DE3778617D1 (de) Schmieroelgemisch.
DE3778460D1 (de) Schmieroelgemisch.
EP0240813A3 (en) A lubricating oil composition
FR2625256B1 (fr) Systeme de lubrification pour moteurs
FR2500115B1 (fr) Dispositif d'alimentation en huile de lubrification
DE3787028D1 (de) Geschmierte nutverbindung.
DE3763669D1 (de) Schmieroelkanal.
FR2601082B1 (fr) Dispositif de lubrification d'un compresseur
DE3571492D1 (en) Lube oil ring pump
GB8812519D0 (en) Lubrication system for rotary piston i c engine
DK140890D0 (da) Smoereolietilsaetningsmidler
FR2638782B1 (fr) Circuit de lubrification des paliers d'un turboreacteur
DK116086A (da) Smoereoliepraeparat
FR2592437B3 (fr) Systeme perfectionne de lubrification pour compresseur hermetique
DE3765607D1 (de) Schmieroelpumpe.
GB8812521D0 (en) Lubrication system for rotary piston i c engine
AU3530189A (en) Lubricating oil additives
ZA899383B (en) Lubricating oil additives

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20061230