WO2015075348A1 - Dispositif de lubrification pour une turbomachine - Google Patents
Dispositif de lubrification pour une turbomachine Download PDFInfo
- Publication number
- WO2015075348A1 WO2015075348A1 PCT/FR2014/052856 FR2014052856W WO2015075348A1 WO 2015075348 A1 WO2015075348 A1 WO 2015075348A1 FR 2014052856 W FR2014052856 W FR 2014052856W WO 2015075348 A1 WO2015075348 A1 WO 2015075348A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oil
- links
- movable
- pivot
- shaft
- Prior art date
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
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/12—Combinations with mechanical gearing
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
- F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
-
- 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
-
- 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
- F05D2240/60—Shafts
-
- 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
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
-
- 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
- F05D2270/00—Control
- F05D2270/50—Control logic embodiments
- F05D2270/58—Control logic embodiments by mechanical means, e.g. levers, gears or cams
Definitions
- Such a turbomachine conventionally comprises a high pressure body comprising a high pressure compressor and a high pressure turbine coupled in rotation by a first shaft, and an additional body comprising a low pressure compressor. and an intermediate pressure turbine, rotatably coupled by a second shaft.
- the turbomachine further comprises a power-free turbine forming a low-pressure turbine and comprising a first rotor (or inner rotor) and a second rotor (or outer rotor).
- the turbomachine also comprises a counter-rotating propeller system, namely respectively a first propeller and a second propeller driven by the low-pressure turbine via an epicyclic reduction gearbox.
- the propeller system also has a stator.
- the turbomachine comprises an oil circuit ensuring in particular the lubrication, the cooling of the gearbox epicyclic train and bearings supporting the rotating parts.
- This circuit comprises an oil inlet pipe equipped with an oil supply pump and, if appropriate, regulating means situated downstream of the supply pump, a supply pipe intended to supply the gear reducer with oil. speeds and a recycling line opening upstream of the feed pump, the control means for directing all or part of the flow of oil from the inlet pipe to the feed pipe and / or to the pipe recycling.
- the pump fixed displacement, is rotated by a movable member of a relay accessories, located nearby, via a power shaft.
- the invention aims in particular to provide a simple, effective and economical solution to this problem.
- a lubrication device for a turbomachine comprising an oil inlet pipe equipped with an oil supply pump and regulation means located downstream of the feed pump, a pipe feedstock for supplying oil to a member to be lubricated and a recycling line opening upstream of the feed pump, the control means for directing all or part of the flow of oil from the feed line to the supply line and / or to the recycling line, the pump being driven by at least one rotary member of an accessory relay of the turbomachine, characterized in that the regulating means comprise a movable member in translation whose position makes it possible to adapt the flow rates of oil directed towards the supply line and towards the recycling line, respectively, said movable member being coupled to a centrifugal regulator adapted to modify the position of said movable member as a function of the speed of rotation of an input shaft of the regulator.
- a third and a fourth link each comprising a first and a second end, the first ends of the third and fourth links being respectively articulated on the second ends of the first and second links, respectively at a second and a third members; pivot point, the second ends of the third and fourth links being hinged one to the other at a fourth pivot member fixed relative to the rotary input shaft,
- a seventh and an eighth link having first and second ends, the first ends of the seventh and eighth links being respectively articulated on the second ends of the fifth and sixth links, respectively at the level of a fifth and a sixth members; pivot, the second ends of the seventh and eighth links being articulated to one another at a seventh pivot member movable in translation parallel to the rotary input shaft,
- the second, third, fifth and sixth pivot members comprising at least one flyweight
- the translational output member being connected to the first and / or seventh pivot members.
- the regulating means may comprise at least one movable spool valve, the position of the spool for adapting the oil flow rates directed to the supply line and to the recycling line, respectively.
- the invention also relates to a turbomachine characterized in that it comprises a lubrication device of the aforementioned type, a first and second contra-rotating propellers driven in rotation by means of a low-pressure turbine, via a gear reducer, for example epicyclic gear, the input shaft of the regulator being rotated by an element gearbox or low-pressure turbine, the supply line being intended to supply oil to the gearbox.
- a gear reducer for example epicyclic gear
- the position of the mobile output member of the centrifugal regulator is a function of the rotational speed of the aforementioned input shaft, the output member of the regulator being coupled to the movable member of the regulating means .
- FIG. 1 is a half-view in longitudinal section of a non-ducted fan turbomachine of the prior art
- FIG. 2 is a detailed view of a part of FIG. 1;
- FIG. 3 is a diagrammatic view of a lubricating device of the prior art;
- FIG. 4 is a schematic view of a lubricating device according to the invention,
- FIG. 5 is a schematic view of the centrifugal regulator of the device according to the invention.
- FIGS. 1 and 2 show a turbomachine 1 with a non-ducted fan, known as an "open rotor", known from document FR 2940247.
- This comprises a high-pressure body comprising a high-pressure compressor 2 and a high-pressure turbine 3 coupled in rotation by a first shaft 4, and an additional body comprising a low pressure compressor 5 and an intermediate pressure turbine 6, rotatably coupled by a second shaft 7.
- a combustion chamber 8 is located between the high pressure compressor 2 and the high pressure turbine 3.
- the epicyclic gear train 14 comprises a sun gear 16 rotating about the axis A of the turbomachine, meshing with satellites 17 around axes B belonging to a planet carrier 18, the satellites 17 meshing with a ring gear 19 radially external, itself carried by a crown shaft 20.
- the shaft 20 of the ring 19 is rotatably coupled to the second rotor January 1.
- the shaft 21 of the sun gear 16 is coupled in rotation to the first rotor 10.
- the turbomachine 1 comprises an oil circuit ensuring in particular the lubrication and cooling of the speed reducer 14 to planetary gear.
- This circuit conventionally comprises an oil inlet pipe 23 connected upstream to a reservoir 23a and equipped with an oil supply pump 24 and control means 25 located downstream of the feed pump 24, a supply line 26 for supplying the gear reducer 14 with oil and a recycling line 27 opening, for example, upstream of the feed pump 24, the regulation means 25 making it possible to direct all or part of the oil flow rate from the supply line 23 to the supply line 26 and / or to the recycling line 27.
- the aforementioned control means comprise a valve 25 controlled electrically via a computer, as a function of the speed of the low-pressure turbine, so as to reduce if necessary the flow of oil sent to the gearbox 14.
- Such electronic or electrical control means are of the "active" type, that is to say require a particular event (for example a setpoint signal 29), and can then generate faults. There is therefore a need to improve the reliability and robustness of these control means 25.
- first and second links 35, 36 each having first and second ends, the first ends of the first and second links 35, 36 being articulated to one another at a first displaceable pivot member 37; in translation along the axis of the rotary input shaft 33,
- a fifth and a sixth link 43, 44 having first and second ends, the first ends of the fifth and sixth links 43, 44 being hinged to each other at the fourth pivot member 42,
- a seventh and an eighth link 45, 46 comprising first and second ends, the first ends of the seventh and eighth links 45, 46 being respectively articulated on the second ends of the fifth and sixth links 43, 44, respectively at the level of fifth and sixth pivot members 47, 48, the second ends of the seventh and eighth links being articulated to one another at a seventh pivot member 49 displaceable in translation along the axis of the rotary input shaft 33.
- At least one of the second, third, fifth and sixth pivot members 40, 41, 47, 48 (here the pivot members 47 and 48) comprises at least one flyweight 50 (here two flyweights 50, one on each pivot 47 and 48). Furthermore, the output member 34 of the regulator 32 is connected to the first and / or the seventh pivot member 37, 49 sliding.
- An elastic return member such as for example a helical compression spring 51, is arranged to move the first pivot member 37 away from the fourth pivot member 42, thereby also discarding the seventh pivot member 49 from the fourth pivot member. 42, because of the links between the rods 35, 36, 38, 39, 43, 44, 45, 46.
- the flyweights 50 are centrifugally removed from the axis of rotation 33, causing displacement of the movable outlet member 34 and the movable member 31 of the distributor 30.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/037,409 US10273826B2 (en) | 2013-11-20 | 2014-11-07 | Lubrication device for a turbine engine |
GB1608915.3A GB2536583B (en) | 2013-11-20 | 2014-11-07 | Lubrication device for a turbine engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1361408A FR3013386B1 (fr) | 2013-11-20 | 2013-11-20 | Dispositif de lubrification pour une turbomachine |
FR1361408 | 2013-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015075348A1 true WO2015075348A1 (fr) | 2015-05-28 |
Family
ID=49949913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2014/052856 WO2015075348A1 (fr) | 2013-11-20 | 2014-11-07 | Dispositif de lubrification pour une turbomachine |
Country Status (4)
Country | Link |
---|---|
US (1) | US10273826B2 (fr) |
FR (1) | FR3013386B1 (fr) |
GB (1) | GB2536583B (fr) |
WO (1) | WO2015075348A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10501169B2 (en) * | 2016-06-17 | 2019-12-10 | Pratt & Whitney Canada Corp. | Propeller blade angle control system |
CN112145443B (zh) * | 2020-07-25 | 2022-06-17 | 三联泵业股份有限公司 | 一种节能型液力透平式水泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB106824A (en) * | 1916-05-30 | 1918-03-07 | Anthony George Maldon Michell | Improvements relating to lubrication of bearings |
US2669093A (en) * | 1947-01-10 | 1954-02-16 | Niles Bement Pond Co | Control apparatus for internal-combustion engines |
GB1122285A (en) * | 1965-04-01 | 1968-08-07 | Elliott Brothers London Ltd | Improvements in or relating to control systems for turbines |
US5234014A (en) * | 1991-03-18 | 1993-08-10 | Boeing Company | Fuel control governor |
FR2940247A1 (fr) | 2008-12-19 | 2010-06-25 | Snecma | Systeme d'helices contrarotatives entrainees par un train epicycloidal offrant une repartition de couple equilibree entre les deux helices |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2374434A (en) * | 1941-02-12 | 1945-04-24 | Jensen Kaj Leo | Centrifugal governor |
US8075261B2 (en) * | 2007-09-21 | 2011-12-13 | United Technologies Corporation | Gas turbine engine compressor case mounting arrangement |
FR2942203B1 (fr) * | 2009-02-13 | 2011-04-22 | Snecma | Systeme d'helices contrarotatives a encombrement reduit |
-
2013
- 2013-11-20 FR FR1361408A patent/FR3013386B1/fr active Active
-
2014
- 2014-11-07 GB GB1608915.3A patent/GB2536583B/en active Active
- 2014-11-07 US US15/037,409 patent/US10273826B2/en active Active
- 2014-11-07 WO PCT/FR2014/052856 patent/WO2015075348A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB106824A (en) * | 1916-05-30 | 1918-03-07 | Anthony George Maldon Michell | Improvements relating to lubrication of bearings |
US2669093A (en) * | 1947-01-10 | 1954-02-16 | Niles Bement Pond Co | Control apparatus for internal-combustion engines |
GB1122285A (en) * | 1965-04-01 | 1968-08-07 | Elliott Brothers London Ltd | Improvements in or relating to control systems for turbines |
US5234014A (en) * | 1991-03-18 | 1993-08-10 | Boeing Company | Fuel control governor |
FR2940247A1 (fr) | 2008-12-19 | 2010-06-25 | Snecma | Systeme d'helices contrarotatives entrainees par un train epicycloidal offrant une repartition de couple equilibree entre les deux helices |
Also Published As
Publication number | Publication date |
---|---|
US20160290162A1 (en) | 2016-10-06 |
US10273826B2 (en) | 2019-04-30 |
GB2536583A (en) | 2016-09-21 |
GB2536583B (en) | 2018-04-25 |
GB201608915D0 (en) | 2016-07-06 |
FR3013386A1 (fr) | 2015-05-22 |
FR3013386B1 (fr) | 2015-12-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2801707B1 (fr) | Circuit de lubrification de turbomachine avec vanne anti-siphon pour windmilling | |
CA2629795C (fr) | Dispositif de production d'energie electrique dans un moteur a turbine a gaz a double corps | |
CA2434492C (fr) | Assistance et secours a l'entrainement electrique d'accessoires | |
EP3207235B1 (fr) | Support d'équipement d'une turbomachine comprenant un réducteur magnétique | |
WO2015189524A1 (fr) | Dispositif de lubrification pour une turbomachine | |
EP3574198B1 (fr) | Dispositif d'entraînement d'une pompe à carburant pour turbomachine | |
FR2880920A1 (fr) | Turbomoteur a double corps avec des moyens d'entrainement du boitier d'accessoires | |
FR2934321A1 (fr) | Regulation du debit de carburant preleve dans un circuit carburant d'un aeronef propulse par un moteur. | |
FR2892456A1 (fr) | Dispositif d'entrainement de machines accessoires d'un moteur a turbine a gaz | |
FR3034140A1 (fr) | Turbomachine d’aeronef a reducteur planetaire ou epicycloidal | |
CA2801680C (fr) | Architecture de turbomoteur non lubrifie | |
EP3574199B1 (fr) | Systeme d'alimentation en carburant d'une turbomachine | |
EP3464855A1 (fr) | Turbomachine d'aeronef avec reducteur epicycloidal a rapport de reduction variable | |
WO2015107308A1 (fr) | Ensemble d'entraînement d'accessoires pour turbomachine d'aeronef | |
WO2015075348A1 (fr) | Dispositif de lubrification pour une turbomachine | |
FR3135113A1 (fr) | Boîtier de relais d’accessoires et turbomachine d’aéronef comportant un tel boîtier | |
WO2021240095A1 (fr) | Turbomachine equipee de machines electriques accouplees a une surface d'accouplement | |
FR3046402A1 (fr) | Systeme de changement de pas pour turbopropulseur a doublet d'helices contrarotatives amont | |
FR3035153A1 (fr) | Turbopropulseur a doublet d'helices contrarotatives dispose en amont du generateur de gaz | |
EP4127417B1 (fr) | Ensemble pour turbomachine d'aéronef comportant un système amelioré de lubrification d'un réducteur d'entrainement de soufflante | |
FR3062420A1 (fr) | Dispositif d'entrainement d'une pompe a carburant pour turbomachine | |
EP4343133A1 (fr) | Boitier d'accessoires compact comportant une machine electrique integree | |
WO2021240094A1 (fr) | Turbomachine equipee de deux machines electriques montees en serie avec un reducteur de vitesse | |
FR3110932A1 (fr) | Turbomachine equipee de machines electriques | |
FR3110933A1 (fr) | Turbomachine equipee de machines electriques |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14806038 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15037409 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 201608915 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20141107 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14806038 Country of ref document: EP Kind code of ref document: A1 |