EP2531700B1 - Soufflante de turbomachine - Google Patents
Soufflante de turbomachine Download PDFInfo
- Publication number
- EP2531700B1 EP2531700B1 EP11705644.0A EP11705644A EP2531700B1 EP 2531700 B1 EP2531700 B1 EP 2531700B1 EP 11705644 A EP11705644 A EP 11705644A EP 2531700 B1 EP2531700 B1 EP 2531700B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radial
- disc
- lug
- flanks
- clip
- 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.)
- Active
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 description 15
- 230000008439 repair process Effects 0.000 description 5
- 241000272165 Charadriidae Species 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
-
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
-
- 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
- F04D29/322—Blade mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0466—Nickel
Definitions
- the riders can be engaged axially from upstream on the ears.
- each rider includes a transverse wall applied on a radial upstream face of an ear and having an orifice aligned with a corresponding orifice of the ear for the passage of a screw or a bolt for fixing on the compressor rotor downstream.
- each jumper is clamped on a radial ear of a disc at the attachment with the compressor rotor downstream.
- the thickness of the transverse wall is sufficiently small not to require the replacement of the screw or bolt by fixing screws or bolts of larger dimensions.
- each transverse wall of the rider comprises at least one radial tab whose free end extends upstream along a rib of the disc.
- each jumper comprises two aforementioned radial tabs which are parallel and spaced apart circumferentially from one another, which avoids a rotation of the rider during its tightening on the ear.
- the invention also relates to a jumper for protecting the flanks of a radial lug of a peripheral rib of a fan disk as described above, characterized in that it comprises two substantially parallel lateral lugs connected by a transverse wall comprising a central orifice, the transverse wall of each rider being extended by two bent legs whose free end extends in a direction opposite to the lateral flaps of the rider.
- Each radial lug 26 comprises lateral flanks comprising each a longitudinal stop 30 projecting.
- Each abutment 30 formed on the side of an ear 26 is circumferentially aligned with a stop 30 of an adjacent ear ( figure 2 ).
- jumpers 32 are mounted on the radial lugs 26 of the fan disk 10 and provide a covering of the flanks of the lugs 26 for the protection of the stops 30 ( figure 3 ).
- the lateral tabs 36, 38 of a jumper 32 each comprise a longitudinal fold 41 in U intended to fit on a longitudinal stop 30 of an ear 26 of the disc 10.
- This type of ear flange protection jumper 32 can be used both on a new blower disc 10 and on a disc in use. In the latter case, if the stops 30 have a wear, it is necessary to carry out a bleaching by surface of the abutments 30 so as to have a smooth surface in contact with the rider 32. This operation is therefore to remove between 0.2 and 0.5 millimeter of material to the flanks of a worn ear.
- jumpers 32 on the ears 26 of a fan disk 10 can be achieved when the turbomachine is in place under the wing of the aircraft, which reduces downtime and does not require complicated equipment since each jumper 32 is secured with a pre-existing fastener.
- the jumpers 32 may be made of a metallic material such as INCONEL and the blades 16 may be made of titanium. In this way the riders 32 wear out less quickly than the blades 16.
- the jumpers 32 may be made by successive folding and cutting operations of a sheet or by machining a block of material.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1000456A FR2955904B1 (fr) | 2010-02-04 | 2010-02-04 | Soufflante de turbomachine |
PCT/FR2011/050116 WO2011095722A1 (fr) | 2010-02-04 | 2011-01-21 | Soufflante de turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2531700A1 EP2531700A1 (fr) | 2012-12-12 |
EP2531700B1 true EP2531700B1 (fr) | 2013-12-25 |
Family
ID=42733744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11705644.0A Active EP2531700B1 (fr) | 2010-02-04 | 2011-01-21 | Soufflante de turbomachine |
Country Status (9)
Country | Link |
---|---|
US (1) | US9376925B2 (ja) |
EP (1) | EP2531700B1 (ja) |
JP (1) | JP5674818B2 (ja) |
CN (1) | CN102753788B (ja) |
BR (1) | BR112012018267B1 (ja) |
CA (1) | CA2786988C (ja) |
FR (1) | FR2955904B1 (ja) |
RU (1) | RU2555099C2 (ja) |
WO (1) | WO2011095722A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3066780B1 (fr) * | 2017-05-24 | 2019-07-19 | Safran Aircraft Engines | Piece amovible anti-usure pour talon d'aube |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2303148A (en) * | 1941-03-24 | 1942-11-24 | Tinnerman Products Inc | Nut fastened installations |
BE499742A (ja) * | 1949-03-07 | |||
US2727552A (en) * | 1953-03-12 | 1955-12-20 | Tinnerman Products Inc | Sheet metal retainer for threaded fasteners |
US3238495A (en) * | 1964-04-17 | 1966-03-01 | Illinois Tool Works | Electrical connector |
US4033705A (en) * | 1976-04-26 | 1977-07-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Blade retainer assembly |
US4265595A (en) * | 1979-01-02 | 1981-05-05 | General Electric Company | Turbomachinery blade retaining assembly |
SU1078981A1 (ru) * | 1982-09-17 | 2005-12-10 | С.С. Гасилин | Рабочее колесо осевой турбомашины (его варианты) |
US4887949A (en) * | 1988-03-30 | 1989-12-19 | United Technologies Corporation | Bolt retention apparatus |
US5259728A (en) * | 1992-05-08 | 1993-11-09 | General Electric Company | Bladed disk assembly |
JPH07247804A (ja) | 1993-01-07 | 1995-09-26 | General Electric Co <Ge> | ガスタービンエンジン用のロータ及び動翼アセンブリ、並びに多層被覆シム |
US5388963A (en) * | 1993-07-02 | 1995-02-14 | United Technologies Corporation | Flange for high speed rotors |
US6290466B1 (en) * | 1999-09-17 | 2001-09-18 | General Electric Company | Composite blade root attachment |
FR2831207B1 (fr) | 2001-10-24 | 2004-06-04 | Snecma Moteurs | Plates-formes pour aubes d'un ensemble rotatif |
RU2264561C1 (ru) * | 2004-06-08 | 2005-11-20 | Аверичкин Павел Алексеевич | Ступень осевого компрессора газотурбинного двигателя |
FR2890105A1 (fr) * | 2005-08-31 | 2007-03-02 | Snecma | Dispositif d'immobilisation d'un anneau de retention axiale d'une aube, disque de rotor et anneau de retention associes et rotor et motor d'aeronef les comportant |
FR2890104A1 (fr) * | 2005-08-31 | 2007-03-02 | Snecma | Dispositif d'immobilisation d'un anneau de retention axiale d'une aube, disque de rotor et anneau de retention associes et rotor et moteur d'aeronef les comportant |
FR2890684B1 (fr) * | 2005-09-15 | 2007-12-07 | Snecma | Clinquant pour aube de turboreacteur |
JP2007247406A (ja) * | 2006-03-13 | 2007-09-27 | Ihi Corp | ファンブレードの保持構造 |
FR2903154B1 (fr) * | 2006-06-29 | 2011-10-28 | Snecma | Rotor de turbomachine et turbomachine comportant un tel rotor |
FR2911632B1 (fr) * | 2007-01-18 | 2009-08-21 | Snecma Sa | Disque de rotor de soufflante de turbomachine |
FR2913735B1 (fr) | 2007-03-16 | 2013-04-19 | Snecma | Disque de rotor d'une turbomachine |
FR2929660B1 (fr) | 2008-04-07 | 2012-11-16 | Snecma | Dispositif anti-usure pour rotor de turbomachine, bouchon formant dispositif anti-usure et rotor de compresseur de moteur a turbine a gaz comportant un bouchon anti-usure |
FR2939836B1 (fr) | 2008-12-12 | 2015-05-15 | Snecma | Joint d'etancheite de plateforme dans un rotor de turbomachine |
-
2010
- 2010-02-04 FR FR1000456A patent/FR2955904B1/fr active Active
-
2011
- 2011-01-21 WO PCT/FR2011/050116 patent/WO2011095722A1/fr active Application Filing
- 2011-01-21 CN CN201180008540.9A patent/CN102753788B/zh active Active
- 2011-01-21 RU RU2012137508/06A patent/RU2555099C2/ru active
- 2011-01-21 EP EP11705644.0A patent/EP2531700B1/fr active Active
- 2011-01-21 CA CA2786988A patent/CA2786988C/fr active Active
- 2011-01-21 JP JP2012551662A patent/JP5674818B2/ja active Active
- 2011-01-21 US US13/576,071 patent/US9376925B2/en active Active
- 2011-01-21 BR BR112012018267-6A patent/BR112012018267B1/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN102753788A (zh) | 2012-10-24 |
JP5674818B2 (ja) | 2015-02-25 |
RU2012137508A (ru) | 2014-03-10 |
CA2786988C (fr) | 2017-11-14 |
BR112012018267B1 (pt) | 2020-10-13 |
US20120294721A1 (en) | 2012-11-22 |
RU2555099C2 (ru) | 2015-07-10 |
FR2955904A1 (fr) | 2011-08-05 |
EP2531700A1 (fr) | 2012-12-12 |
BR112012018267A2 (pt) | 2017-06-27 |
FR2955904B1 (fr) | 2012-07-20 |
CN102753788B (zh) | 2015-02-11 |
JP2013519030A (ja) | 2013-05-23 |
WO2011095722A1 (fr) | 2011-08-11 |
US9376925B2 (en) | 2016-06-28 |
CA2786988A1 (fr) | 2011-08-11 |
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